CN101611521B - Non-shielding, high-speed and low-crosstalk electric connector - Google Patents
Non-shielding, high-speed and low-crosstalk electric connector Download PDFInfo
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- CN101611521B CN101611521B CN2007800514662A CN200780051466A CN101611521B CN 101611521 B CN101611521 B CN 101611521B CN 2007800514662 A CN2007800514662 A CN 2007800514662A CN 200780051466 A CN200780051466 A CN 200780051466A CN 101611521 B CN101611521 B CN 101611521B
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Abstract
An electrical connector may include a first connector having electrically-conductive contacts. The contacts may have blade-shaped mating ends and may be arranged in a centerline. The electrical connector may include a second connector having electrically-conductive receptacle contacts, which may also be arranged in the centerline. The connectors may be mated such that the mating portions of the first contacts in the second connector may naturally contact the corresponding blade-shaped mating ends of the contacts of the first connector.
Description
Technical field
The present invention relates to electric connector.
Background technology
Electric connector provides signal to connect in the electronic equipment that uses conductive contact.In some scenarios, electric connector at one or more substrates (for example, printed circuit board (PCB)) but between connecting interface is provided.This electric connector can comprise end base connector (headerconnector) that is mounted to first substrate and the receptacle connector that is mounted to the complementation of second substrate.Usually, more than first contact of end in the base connector be suitable for receptacle connector in corresponding a plurality of contacts match.
The differential signal of electrical contact between the signal of telecommunication do not expected disturb along with signal density increases and increases, especially in the electric connector that lacks metal cross-talk guard shield.Signal density is important, stands thermal limit because silicon increases along with clock speed.Obtaining more, large-signal regardless of the limitation of silicon base chip, is to operate several chips and corresponding transmission path thereof simultaneously concurrently through a kind of mode of amount.This scheme need be distributed to the more backboard of electric connector, midplane and subcard space.
Therefore; Need a kind of orthogonal differential signal electric connector with balance registration property; It occupies the substrate space of minimum; Yet, and do not having to have under the metal cross-talk guard shield 6 percent or still less worst condition (worst-case), multi-source crosstalk (multi-active crosstalk) still being higher than the 4Gb/ speed operation of second.
Summary of the invention
A kind of electric connector; It comprises: the electrical contact that a plurality of electricity are isolated; They along common center line at least part arrange that as one man (alternating) wherein adjacent, that replace contact is by the respective blade contact (blade contacts) of matching connector deflection in the opposite direction.A kind of electric connector; It comprises: along common center line a plurality of electricity of as one man arranging of part electrical contact of isolating at least; At least two in the electrical contact that wherein said a plurality of electricity is isolated each limits cooperative end part; Said cooperative end part with the horizontal first direction of common center line on by the respective blade contact deflection of matching connector; One of said at least two adjacent in the electrical contact of at least one in the electrical contact that said a plurality of electricity is isolated and said a plurality of electricity isolation; And be limited to and common center line corresponding cooperative end part by the respective blade contact deflection of said matching connector laterally and on the second direction opposite, and in said a plurality of electricity electrical contact of isolating at least one is included in two electrical contacts that adjacent electricity is isolated of deflection on the opposite direction with first direction.In the electrical contact that said a plurality of electricity is isolated said at least two adjacent one another are, and said at least two each deflections on said first direction in said a plurality of electricity electrical contact of isolating.In the electrical contact that said a plurality of electricity is isolated said at least one comprise the electrical contact that two adjacent electricity are isolated.Said at least two electrical contacts that comprise that at least three electricity are isolated in the electrical contact that said a plurality of electricity is isolated, the electrical contacts that said at least three electricity are isolated adjacent one another are and each be limited to the horizontal first direction of common center line on by the cooperative end part of the respective blade contact deflection of matching connector.In the electrical contact that said a plurality of electricity is isolated said at least one comprise the electrical contact that three adjacent electricity are isolated.Said at least two electrical contacts that comprise that at least four electricity are isolated in the electrical contact that said a plurality of electricity is isolated, the electrical contacts that said four electricity are isolated adjacent one another are and each be limited to the horizontal first direction of common center line on by the cooperative end part of the respective blade contact deflection of matching connector.In the electrical contact that said a plurality of electricity is isolated said at least one comprise the electrical contact that four adjacent electricity are isolated.
A kind of electric connector; It comprises: array of electrical contacts; It is right that adjacent electrical contacts in the array is arranged as differential signal in pairs along corresponding center line; Said differential signal is to being separated each other by grounding contact along the respective center line; Wherein, It is right that electric connector does not have metallic plate and per inch card-edge to comprise more than 82 differential signals, said more than 82 differential signal pair one be aggrieved party's differential signal to (victim differential signal pair), and on distance near right 8 the invasion variance sub-signals of aggrieved party's differential signal to the differential signal that had for 70 psec rise time in (aggressor differentialsignal pair) aggrieved party's differential signal on produce the multi-source that is no more than 6 percent worst condition and crosstalk.Limit the right adjacent electrical contacts of differential signal and separate first distance, and said differential signal pair separates than the big second distance of first distance with grounding contact.Said second distance is about 1.5 times, 2 times of said first distance or surpasses 2 times of said first distance.Each electrical contact in the array of electrical contacts comprises the jack auxiliary section, and the jack auxiliary section in the array of electrical contacts is limited in about 400 square millimeters or the littler virtual girth.Each electrical contact in the array of electrical contacts comprises that jack is obedient to portion (compliant portion), and the jack in the array of electrical contacts is obedient to portion and is limited in about 400 square millimeters or the littler virtual girth.Said electric connector extends not more than 20 millimeters from the installation surface of substrate.Between each of the center line of contacts arranged on the first direction, limit spacing.Said spacing between each of said center line approximately is 1.2 millimeters to 1.8 millimeters.
A kind of electric connector; It comprises: first electrical contact and second electrical contact of locating along first center line at least in part; Said first electrical contact is adjacent with said second electrical contact; Wherein, said first electrical contact defines the tail end of on the first direction away from first center line, advance (jog), and second electrical contact defines the tail end of on the second direction opposite with first direction, advancing; And the 3rd electrical contact and the 4th electrical contact of locating along second center line adjacent at least in part with said first center line; Said the 3rd electrical contact is adjacent with said the 4th electrical contact; Wherein, said the 3rd electrical contact defines the tail end of on second direction, advancing, and the 4th electrical contact defines the tail end of on first direction, advancing; Wherein, the tail end of said first and second electrical contacts is in the orientation as the mirror image of the tail end of said third and fourth electrical contact.It is right that said first and second electrical contacts form differential signal, and said third and fourth electrical contact formation differential signal is right.Said electric connector also comprises along first center line and the adjacent grounding contact of said second electrical contact.
A kind of substrate; It comprises: first electric channel and second electric channel of locating along first center line at least in part; Said first electric channel is adjacent with said second electric channel; Wherein, said first electric channel is advanced on the first direction away from said first center line, and said second electric channel is advanced on the second direction opposite with said first direction; And the 3rd electric channel and the 4th electric channel of locating along second center line adjacent at least in part with said first center line; Said the 3rd electric channel is adjacent with said the 4th electric channel; Wherein, said the 3rd electric channel is advanced on second direction, and said the 4th electric channel is advanced on first direction; Wherein, said first and second electric channels are in the orientation as the mirror image of third and fourth electric channel.
A kind of electric connector; It comprises: differential signal is right; It comprises and remains in first electrical contact in the insulation shell and remain in second adjacent with said first signal contact in the said housing electrical contact; Wherein (i) said first electrical contact has first length on first direction; (ii) said second electrical contact has second length on first direction, (iii) said first length is less than said second length, and (iv) the propagation of electrical signals in the secondary signal contact cooperates the right distortion of sub-signal (skew) of working poor in the rigging-angle connector through propagate the second long length of passing through of first length than the signal of telecommunication in first signal contact to correct.
Description of drawings
Figure 1A and 1B illustrate vertical end base connector and right angle receptacle connector.
Fig. 1 C illustrates right angle jack housing, its accept each center line have six differential signals to the jack insert moulding lead frame assembly (IMLA) of relevant grounding contact.
Fig. 1 D illustrate each center line have six differential signals to the vertical end base connector of relevant grounding contact.
Fig. 2 illustrates vertical end base connector and the right angle receptacle connector that is mounted to corresponding substrate.
Fig. 3 illustrates orthogonal connector trace district (footprint) and is positioned the electrical contact in the quadrature trace district.
Fig. 4 A and 4B are respectively that the front view with right angle receptacle connector of jack housing is surveyed view with axle.
Fig. 5 A and 5B are respectively that the right angle receptacle connector is not having the front view under the jack housing situation to survey view with axle.
Fig. 6 A and 6B are used for vertical view and the end view of four differential signals of right angle receptacle connector to IMLA.
Fig. 7 A and 7B are respectively that the front view of jack housing is surveyed view with axle.
Fig. 8 A and 8B illustrate and are received in IMLA in the jack housing.
Fig. 9 is the end view at the mating electrical connector shown in Figure 1A and the 1B.
Figure 10 A and 10B illustrate the array of electrical contacts that cooperates with the first embodiment jack IMLA.
Figure 11 A and 11B illustrate the array of electrical contacts that cooperates with the second embodiment jack IMLA.
Figure 12 A and 12B illustrate the array of electrical contacts that cooperates with the 3rd embodiment jack IMLA.
Figure 13 A and 13B illustrate with the array of electrical contacts that cooperates of the 4th embodiment jack IMLA.
Figure 14 is illustrated in the plastic dielectric material and removes the cooperation right angle jack IMLA under the situation.
Figure 15 is the detail view of a part of the right angle jack IMLA of Figure 14.
Figure 16 illustrates end seat IMLA and right angle jack IMLA.
Figure 17 illustrates the array of electrical contacts that cooperates with the right angle electrical contact.
Embodiment
Figure 1A and 1B illustrate first electric connector 110 and second electric connector 210.As shown in, first electric connector 110 can be vertically to hold base connector.That is, first electric connector 110 can limit parallel cooperation and installation region.Second electric connector 210 can be a rigging-angle connector, or some other matching connector that is fit to that cooperates with first electric connector 110.That is, second electric connector 210 can limit cooperation and the installation region that is perpendicular to one another.Although the embodiment here illustrates vertical end base connector and right angle receptacle connector; Be to be understood that; Any of first or second electric connector 110,210 can be vertical connector (vertical connector) or rigging-angle connector; Any of first or second electric connector 110,210 can be end base connector or receptacle connector, and first and second electric connectors 110,210 can both be interlayer connector (mezzanine connector).
First and second electric connectors 110 and 210 can be unshielded high-speed electrical connectors; Just; Connector is at 4Gb/ second (Gigabits/ second) or be higher than under the 4Gb/ data transmission bauds of second operation and do not have metal cross-talk plate; And usually 6.25 to 12.5Gb/ seconds or more between (about 80 to 35 psec rise time), be no more than 6 percent the aggrieved party on have acceptable worst condition, multi-source is crosstalked.Worst condition, multi-source are crosstalked can be by near aggrieved party's differential signal right six or eight absolute value sums definite (Fig. 3) that invasion variance sub-signal is right.Rise time ≈ 0.35/ bandwidth, wherein bandwidth approximates the half the of data transmission bauds greatly.Each differential signal is to having about 85 to 100 ohm positive and negative 10% differential impedance.Differential impedance can with the impedance phase coupling of system's (such as for instance, connector can attach to this printed circuit board (PCB) or integrated circuit). Connector 110 and 210 can have approximately-1dB or little of about 5 gigahertz frequency of operation and about-2dB or little insertion loss to about 10 gigahertz frequency of operation.
With reference to Figure 1A and 1B, first electric connector 110 can comprise the end seat housing 120 that carries electrical contact 130 once more.Electrical contact 130 comprises end seat auxiliary section 150 and holds seat to be obedient to portion 140.Each of end seat auxiliary section 150 can limit corresponding first wide and with first wide opposite corresponding second wide.It can be press fit tail portion, mounted on surface afterbody or fusible element (such as soldered ball) that the end seat is obedient to portion 140.Electrical contact 130 can be attached to end seat housing 120 or be sewn into end seat housing 120 insert moulding before.Each of electrical contact 130 can have the material thickness that approximates its corresponding height greatly, but height can be greater than material thickness.For instance, electrical contact 130 can have about 0.1 millimeter to 0.45 millimeter material thickness and about 0.1 millimeter to 0.9 millimeter contact height.In the edge coupled structure of centre line C L 1, limiting the right adjacent electrical contacts 130 of differential signal can equidistantly separate with adjacent grounding contact or unevenly separate.For instance, the interval between comparable second differential signal contacts in interval between first differential signal contacts and adjacent second differential signal contacts and the adjacent grounding contact is little about 1.2 to 4 times.Shown in Fig. 1 D, about 1 millimeter to 2 millimeters even directions X centreline spacing CL1, CL2, CL3 expect, and about 1 millimeter to 1.5 millimeters Y direction centreline spacing CLA, CLB expect, is preferably 1.2 millimeters, 1.3 millimeters or 1.4 millimeters.Interval between the adjacent electrical contacts 130 can be corresponding to the dielectric material between the electrical contact 130.For instance, wherein dielectric material is that the electrical contact that the electrical contact 130 comparable wherein dielectric materials of air are plastics closer separates to each other.
Continuation is with reference to Figure 1A and 1B, and second electric connector 210 comprises the insert moulding lead frame assembly (IMLA) 220 that is carried by jack housing 240.Each IMLA 220 carries electrical contact, such as right angle electrical contact 250.Any suitable dielectric material such as air or plastics, can be used to right angle electrical contact 250 insulated from each other.Right angle electrical contact 250 comprises that jack auxiliary section 270 and jack be obedient to portion 260.Jack is obedient to portion 260 and can be similar to end seat and be obedient to portion 140 and can comprises press fit tail portion, mounted on surface afterbody or fusible element (such as soldered ball).Right angle electrical contact 250 can have about 0.1 millimeter to 0.5 millimeter material thickness and about 0.1 millimeter to 0.9 millimeter contact height.The overall length upper contact head height of electrical contact 250 can change at the right angle, so that the abutting end 280 of right angle electrical contact 250 has about 0.9 millimeter height, and adjacent lead portion 255 (Figure 14) narrows to about 0.2 millimeter height.Usually, the ratio of the height of the height of cooperative end part 280 and lead portion 255 (Figure 14) can be about 5.Second electric connector 210 also can comprise IMLA manager (organizer) 230, and manager 230 can be that electricity is isolated or conduction.The current-carrying part that conduction IMLA manager 230 can be electrically connected to IMLA 220 via slit 280 or any connection that other is fit to of being defined in the IMLA manager 230.
First and second electric connectors 110,210 among Figure 1A and the 1B can comprise along four differential signals of centre line C L 1 edge to edge location to and (interleaved) grounding contact alternately.Yet the differential signal of any number is to extending along centre line C L 1.For instance, two, three, four, five, six or more differential signals have or do not have alternately grounding contact to being possible.Along the differential signal of the center line of adjacent center CL1 location to can with along the differential signal of centre line C L 2 location to skew.With reference to Figure 1A, when second electric connector 210 comprised the IMLA 220 with 18 right angle electrical contacts 250, second electrical contact 210 had the depth D less than 46 millimeters once more, was preferably about 35 millimeters.
Fig. 1 C illustrates jack housing 240A, and it is configured to receive 12 IMLA 220 (Fig. 6 A, 6B), and each has IMLA 220 along six differential pairs of common respective center line CL1, CL2, CL3 edge to border land location and grounding contact alternately.Each IMLA has about 18 right angle electrical contacts, six right angle electrical contacts individually be positioned/replace in the differential signal that is exclusively used in ground between.In this embodiment, the differential signal of each IMLA is to extending on the Y direction and centre line C L 1, CL2, CL3 separate on directions X along corresponding centre line C L 1, CL2, CL3 etc. with grounding contact alternately.The jack mating area is limited all jacks auxiliary section 270 (Figure 1A), and all jacks auxiliary section 270 occupies X and takes advantage of the Y zone when IMLA is attached to jack end seat 240A.Centreline space between centre line C L 1, CL2, the last differential pair of CL3 be at a distance from can being about 1 millimeter to 4 millimeters, and the centreline space that is preferably 1.5 millimeters or 1.8 millimeters is separated.
Continuation is with reference to Fig. 1 C; The jack mating area that is configured with second electric connector 210 of 12 IMLA 220 is to take advantage of length about 20 millimeters to 27 millimeters on the Y direction in length about 20 millimeters to 25 millimeters on the directions X, and each IMLA 220 comprises six differential pairs of edge to border land location and replaces grounding contact.For instance, take advantage of 20 millimeters jack mating area to comprise about 216 single jack auxiliary sections for 20 millimeters among this embodiment, it is right that they can be paired into about 72 differential signals.The right number of differential signal of the per inch card-edge of on directions X, measuring is such: promptly; At differential signal to being in 1.8 millimeters centre line C L 1, CL2, can being about 84 to 85 (above 82) when CL3 is last, and at differential signal to being in 1.5 millimeters centre line C L 1, CL2, can being about 101 to 102 when CL3 is last.Height or Y direction length and depth D (Figure 1A) preferably remain unchanged, and no matter centreline space is separated or the increase or the omission of the sum of IMLA.
Fig. 1 D illustrates the first electric connector 110A with electrical contact 130, and electrical contact 130 is arranged to each centre line C L 1, CL2, CL3 and has six differential signals to S+, S-and grounding contact G alternately.The first electric connector 110A can match with the jack housing 240A shown in Fig. 1 C.
As shown in Figure 2, the end seat mating area of first electric connector 110 is limited the virtual square or rectangular perimeter P1 with electrical contact 1,2,3,4 across and comprises the end seat auxiliary section 150 that is limited virtual girth P1.Though four centre line C L 1, CL2, CL3, CL4 at 12 contacts shown in Fig. 2; But for four differential signals altogether of each center line to four grounding contacts alternately, end seat mating area can be expanded the gross area through increasing on more electrical contact center lines or the more Y directions electrical contact 130.For four differential signals of each center line to grounding contact alternately, the right quantity of the differential signal of per inch card-edge or directions X be 1.8 millimeters centreline spaces at a distance from the time be about 56 and 1.5 millimeters centreline spaces at a distance from the time be about 68.The card spacing of sequence stack between the subcard on backboard or the midplane be less than 25 millimeters, and preferably approximately be 18 millimeters or littler.For 5 differential signals of each center line to grounding contact alternately, the right number of the differential signal of per inch card-edge X 1.8 millimeters centreline spaces at a distance from the time be about 71 differential signals to and 1.5 millimeters centreline spaces at a distance from the time be about 85 pairs.Block spacing less than 25 millimeters, and preferably about 21 millimeters.For 6 differential signals of each center line to grounding contact alternately, the right quantity of per inch differential signal is with discussed above identical.The card spacing is less than 35 millimeters, and preferably about 25 millimeters or littler.Each center line has three differential signals to cooperating in 15 millimeters card spacings with the electric connector that replaces grounding contact.
Usually, for each differential signal that on the Y direction, adds along corresponding center line to adjacent grounding contact, the card spacing increases about 3 millimeters, and roughly reduces same amount when omitting with adjacent grounding contact at differential signal.To being added into center line or omitting from center line, the per inch differential signal of card-edge is right to increasing about 14 to 17 differential signals for each differential signal, supposes that centreline space remains unchanged at a distance from the number with center line.
Continuation is with reference to Fig. 2, and the jack trace district of second electric connector 210 is limited virtual square or rectangular perimeter P2, and girth P2 is obedient to portion's afterbody 5,6,7 and 8 and jack is obedient to portion 260 is limited in the P2 girth through jack.The jack trace district of second electric connector takes advantage of 20 millimeters for six differential signals for preferably about 20 millimeters to connector.The nonopiate end seat trace district of 6 couple who matches, first electric connector 110 preferably also is about 20 millimeters and takes advantage of 20 millimeters.As shown in Figure 2, first electric connector 110 can be mounted to first substrate 105, such as backboard or midplane.Second electric connector 210 can be mounted to second substrate 205, such as subcard.
Fig. 3 is the front view in connector and respective channel trace district, such as the first electric connector 110A (Fig. 1 D) that is installed on first substrate 105.For clear, end seat housing 120 is hidden in Fig. 3.The first electric connector 110A comprises as stated the electrical contact of arranging along center line 130, and each end seat is obedient to portion 140 and can be comprised corresponding afterbody part 265.Yet the corresponding trace district that the end seat is obedient on the portion 140 and first substrate 105 all arranges the sharing channel that is used to pass the installation of first substrate 105 (such as backboard or midplane) quadrature.Differential signal can relative to each other be advanced with corresponding substrate channel to 275 afterbody part 265 in the opposite direction.That is, differential signal is advanced on directions X with passage to afterbody part of 275, and differential signal to second afterbody of 275 second contact partly and passage can on directions X, advance.With differential signal adjacent grounding contact G can be advanced or not advance with respect to centre line C L 1.
More specifically; Can have afterbody and respective channel orientation along the differential signal of centre line C L 1 location to 275 afterbody part 265, this orientation and the differential signal of locating along adjacent center CL2 are opposite with the respective channel orientation to the afterbody of 285 afterbody part 265.Thereby, can on directions X, advance with respective channel to the afterbody part 265 of 275 first contact along first differential signal of first centre line C L 1 location.Second differential signal on second centre line C L 2 can be advanced on directions X with respective channel to the afterbody part 265 of 285 corresponding first contact.And; Can on directions X, advance with respective channel to the afterbody part 265 of 275 second contact along first differential signal of first centre line C L 1 location, and second differential signal on second center line can be advanced on directions X with respective channel to the afterbody part 265 of 285 second contact.Thereby, along the afterbody part 265 of first centre line C L 1 location and respective channel can with advance along the afterbody part 265 at the terminal of the contact of centre line C L 2 location and the opposite pattern of pattern of respective channel.This pattern can be recycled and reused for all the other center lines.
Substrate channel trace district shown in Fig. 3 and the corresponding first electric connector 110A are provided at least six differential signals of each location in 11 centre line C L 1, CL2, the CL3 etc. to 275,285.Each of above-mentioned center line can comprise in addition the signal that is arranged in center line between corresponding grounding contact/passage G.Substrate can limit the centreline spacing Pc between adjacent center CL1, the CL2.The centreline spacing Pc of substrate can be at interval 1.5 times of passage or electrical contact 130 in the respective center line for instance.First electric connector 110 preferably has the square or rectangle trace district that is limited virtual girth P3 with passage, and virtual girth P3 passes 1A, 1B, 1C, 1D and restriction end seat and is obedient to portion 140 or inner passage.Differential signal can be that possible invasion side is right to A, and differential signal can be that possible aggrieved party's differential signal is right to V.
Fig. 4 A and 4B are the front views of second electric connector 210 shown in Figure 1A and the 1B.
Fig. 5 A and 5B are respectively that second electric connector 210 shown in Figure 1A and the 1B is not having the front view under jack housing 240 situation to survey view with axle.As not having to see best under jack housing 240 situation, the jack auxiliary section 270 of right angle electrical contact 250 can limit lead portion 290 and cooperative end part 280.Cooperative end part 280 can be from center line CL1 skew to accept the respective end auxiliary section 150 of electrical contact 130 fully.That is, each cooperative end part 280 can squint on the direction vertical with the bearing of trend of centre line C L 1.Staggered cooperative end part 280 can squint on staggered direction.Promptly; The cooperative end part 280 of first right angle electrical contact 250 can be from center line CL1 skew on the first direction vertical with centre line C L 1, and can on the second direction opposite with first direction, squint from center line CL1 along the cooperative end part 280 of the adjacent right angle electrical contact 250 of identical central line CL1 location.Cooperative end part 280 can be towards centre line C L 1 bending.Thereby; The cooperative end part 280 of right angle electrical contact 250 can be fit to mesh blade end seat auxiliary section 150 (Fig. 1) from first electrical contact 130 of first electric connector 110, and first electric connector 110 as stated can be along aiming at the centre line C L 1 corresponding to center line shown in Fig. 5 A.
Fig. 6 A and 6B are respectively vertical view and the end views of IMLA 220.Shown in Fig. 6 B, each lead frame 250 can be limited to jack auxiliary section 270 and jack is obedient to the lead portion 255 (Figure 14) of extending between the portion 260.Right angle electrical contact 250 can limit one or more angles.In theory, form differential signal to the variation of the length of 295 right angle electrical contact 250 should be 2 millimeters or still less so that signal skew (deflection is skew) less than 10 psecs.IMLA220 also can comprise respective tab 330, and it can be defined in the depression 340 in the plastic dielectric material 301 or if not expose.For instance, dielectric material 310 can have corresponding top surface 350.Depression 340 can be defined in the top surface 350 of dielectric material 310 so that lug 330 is exposed in the depression 340.
Shown in Fig. 6 B, dielectric material 310 can comprise one or more projections 320.Each projection 320 can be the optional key characteristic that has, and it is received on the direction in the chamber 380 (Fig. 7 B) of jack housing 240 (Fig. 7 B) at IMLA 220 and extends from dielectric material 310.Be to be understood that IMLA 220 can have the chamber, this chamber accept with from the projection 320 similar projections of jack housing 240 extensions to minimize perpendicular to the relative motion that cooperates direction.
Fig. 7 A and 7B are respectively that the front view of jack housing 240 is surveyed view with axle.Shown in Fig. 7 A, jack housing 240 can limit one or more cooperation window 360, one or more mating cavity 370 and one or more chamber 380.Jack housing 240 can further comprise wall 390, and wall 390 separates adjacent right angle electrical contact 350 (Figure 1A) to prevent short circuit along center line.Each cooperates window 360 can be in first electric connector 110 auxiliary section, blade end 150 from corresponding first electrical contact 130 of first electric connector, 110 receptions during with 210 cooperations of second electric connector as Fig. 8 A shown in.
Once more with reference to Fig. 8 A and 8B, from the jack auxiliary section 270 (Figure 1A) of the corresponding right angle electrical contact 250 of second electric connector 210 but each of extensible entering mating cavity 370 and the cooperative end part 280 of pre-load offset.Mating cavity 370 can squint to hold the skew cooperative end part 280 of right angle electrical contact 250 each other.Each of chamber 380 can receive corresponding projection 320 (Fig. 6 B).Jack housing 240 can comprise that breech lock 400 is to be fastened into jack housing 240 with IMLA 220 (shown in Fig. 6 A and the 6B).
A plurality of IMLA 220 can be arranged in the jack housing 240 so that each IMLA 220 is adjacent with another IMLA 220 at least one side.For instance, the auxiliary section 270 of right angle electrical contact 250 can be received in the mating cavity 370.IMLA 220 can be received in the mating cavity 370 and insert corresponding chamber 380 up to each corresponding projection 320.IMLA manager 230 (Fig. 9) can be assembled to IMLA 220 then to accomplish the assembling of second electric connector 210.
Fig. 9 is the end view of first and second electric connectors 110,210 of the cooperation shown in Figure 1A and the 1B.As shown in, each that can be defined in associated socket 280 in the sweep 410 of IMLA manager 230 can receive corresponding lug 330 from the depression the IMLA 220 340.For instance, each of lug 330 can limit first side and with second side of first side thereof opposite.
Figure 10 A-15B illustrates the array of the jack auxiliary section 270 of 130 cooperations of first electrical contact and right angle electrical contact 250.Can match with corresponding cooperative end part 280 from each of the blade end seat auxiliary section 150 of first electrical contact 130 of first electric connector 110 (Figure 1A) from the right angle electrical contact 250IMLA220 of second electric connector 210 (Figure 1A).Each of cooperative end part 280 can be at least one position, and preferably at least two positions, the corresponding end seat of a contact auxiliary section 150.
Shown in Figure 10 A and 10B, first wide of the blade end seat mounting portion 150 of first electrical contact 130 can limit first plane on centerline direction CLD.Second wide of the blade mounting portion 150 of first electrical contact 130 can limit can from first planar offset and with first parallel plane second plane.But some cooperative end part 280 physics exposure phases of jack auxiliary section 270 are answered first wide of blade end seat auxiliary section 150, rather than second wide of identical blade end seat auxiliary section 150.Other cooperative end part 280 can physically contact second wide of respective ends seat auxiliary section 150, rather than opposite first wide.Thereby,, first and second electric connectors 110,210 can produce the cleaner power of balance when cooperating.
Figure 11 A and 11B are similar to Figure 10 A and 10B.IMLA 220A carries right angle electrical contact 250.Yet, in this embodiment, first wide of two abutting end seat auxiliary sections 150 of two adjacent cooperative end part, 280 contacts, and corresponding second wide of two other adjacent end portion auxiliary sections 150 of two other adjacent cooperative end part 280 contacts.
Figure 12 A and 12B are similar to Figure 10 A and 10B.IMLA 220B carries right angle electrical contact 250.Yet, in this embodiment, corresponding first wide of three abutting end seat auxiliary sections 150 of three adjacent cooperative end part, 280 contacts, and corresponding second wide of three other abutting end seat auxiliary sections 150 of three other adjacent cooperative end part 280 contacts.
Figure 13 A and 13B are similar to Figure 10 A and 10B.IMLA 220C carries right angle electrical contact 250.Yet, in this embodiment, corresponding first wide of four abutting end seat auxiliary sections 150 of four adjacent cooperative end part, 280 contacts, and corresponding second wide of four other abutting end seat auxiliary sections 150 of four other adjacent cooperative end part 280 contacts.
Though should be appreciated that the embodiment of Figure 10 A to 13B illustrates adjacent cooperative end part and physically contacts opposite wide of respective end auxiliary section 150, an end seat auxiliary section 150.
Figure 14 illustrates a plurality of right angles electrical contact 250, has wherein removed the plastic dielectric material in order to know.Right angle electrical contact 250 can comprise that a plurality of differential signals are to 420 and the grounding contact 450 of one or more conductions.Each right angle electrical contact 250 can be limited to jack auxiliary section 270 and jack is obedient to the lead portion 255 of extending between the portion 260.When second electric connector 210 was rigging-angle connector, lead portion 255 can limit one or more angles.Each lead portion 255 can have corresponding length L-r.Right angle electrical contact 250 as shown in, can have different length, this can cause signal skew (deflection).In theory, form differential signal the variation of the length L-r of 420 right angle electrical contact 250 is should be about 1 millimeter or littler so that signal skew less than 10 psecs.
Part 460 illustrates in greater detail in Figure 15.Figure 15 be the differential signal shown in Figure 14 to 420 with the detail view of grounding contact 450.As shown in Figure 15, differential signal to 420 each can comprise first signal contact 430 and secondary signal contact 440.First and second signal contacts 430,440 can D1 spaced apart so that first and second signal contact 430, the 440 closely electric coupling each other.Gap between first signal contact 430 and the secondary signal contact 440 in plastics can approximately be 0.2 to 0.8 millimeter according to the height and the material thickness of contact.About 0.25 millimeter is preferred to 0.4 mm clearance.In air, the gap can be littler.Adjacent grounding contact 450 in IMLA 220 can with differential signal to D2 spaced apart.Distance B 2 can be about 1.5 to 4 times of distance B 1.Distance B 2 between secondary signal contact 440 and the grounding contact 450 in plastics can be about 0.3 to 0.8 millimeter.About 0.4 mm distance D2 is preferred.In air, this value can be littler.Discuss as top, height or the width of first signal contact 430 and secondary signal contact 440 can approximate material thickness greatly, but it also can be greater than material thickness.For instance, height can change between about 0.1 millimeter to 0.9 millimeter.
The electrical contact 130 that Figure 16 illustrates first electric connector 110 can have the insert moulding housing 480 adjacent with end seat auxiliary section 150.Insert moulding housing 480 can keep the electrical contact 130 of different electric and physical length.
The electrical contact 130 that Figure 17 illustrates Figure 16 and IMLA220 are at the array that does not have under insert moulding housing 480 situation.Electrical contact 130 can be obedient to the corresponding end seat of a qualification lead portion 135 between portion 140 and each the end seat auxiliary section 150 at each end seat.The length of the end seat lead portion 135 of adjacent contact can change.For instance, first electrical contact 470 can comprise the end seat lead portion 135 with first physics and electrical length L1, and can comprise the end seat lead portion 135 with second physics and electrical length L2 with first electrical contact, the 470 second adjacent electrical contacts 480.In example embodiment, first length L 1 can be less than second length L 2 to correct the distortion (deflection) in third and fourth electrical contact 490 and 500.
For instance, the 3rd electrical contact 490 can have tertium quid reason and electrical length L3, and can have the 4th physics and electrical length with the 3rd electrical contact 490 the 4th adjacent electrical contacts 500.In example embodiment, the 4th physics and electrical length can be less than the 3rd length.The 3rd electrical contact 490 can cooperate with first electrical contact 470, and the 4th electrical contact 500 can match with second electrical contact 480 so that the summation of first physics and electrical length and tertium quid reason and electrical length can approximate the summation of terrium quid reason and electrical length and the 4th physics and electrical length greatly.That is, the total electrical length between two contacts of differential signal pair can be corrected to distortion (deflection).
Claims (7)
1. electric connector, it comprises:
Array of electrical contacts, it is right that the adjacent electrical contacts in the array is arranged as differential signal in pairs along corresponding center line, and said differential signal is to being separated each other by grounding contact along the respective center line,
Electric connector does not have metallic plate; Wherein said respective center line separate roughly 1.5 millimeters or 1.8 millimeters so that electric connector comprise more than 82 differential signals in the per inch card-edge right; Said more than 82 differential signal pair one is that aggrieved party's differential signal is right; And right adjacent electrical contacts separates first distance to limit each differential signal, and each differential signal to being separated second distance by corresponding grounding contact so that 8 right invasion variance sub-signal centerings had for 70 psec rise time near aggrieved party's differential signal on the distance differential signal aggrieved party's differential signal on produce the multi-source that is no more than 6 percent worst condition and crosstalk.
2. electric connector as claimed in claim 1, wherein second distance is bigger than first distance.
3. electric connector as claimed in claim 2, wherein said second distance are 1.5 times of said first distance.
4. electric connector as claimed in claim 2, wherein said second distance are 2 times of said first distance.
5. electric connector as claimed in claim 2, wherein said second distance surpasses 2 times of said first distance.
6. electric connector as claimed in claim 4, wherein each electrical contact in the array of electrical contacts comprises the jack auxiliary section, and the jack auxiliary section in the array of electrical contacts is limited in 400 square millimeters or the littler virtual girth.
7. electric connector as claimed in claim 4, wherein said electric connector extends not more than 20 millimeters from the installation surface of substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210314461.7A CN102856692B (en) | 2006-12-19 | 2007-12-18 | Non-shielding, high-speed and low-crosstalk electric connector |
Applications Claiming Priority (15)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87079306P | 2006-12-19 | 2006-12-19 | |
| US87079106P | 2006-12-19 | 2006-12-19 | |
| US87079606P | 2006-12-19 | 2006-12-19 | |
| US60/870,796 | 2006-12-19 | ||
| US60/870,793 | 2006-12-19 | ||
| US60/870,791 | 2006-12-19 | ||
| US88708107P | 2007-01-29 | 2007-01-29 | |
| US60/887,081 | 2007-01-29 | ||
| US11/726,936 | 2007-03-23 | ||
| US11/726,936 US7503804B2 (en) | 2006-12-19 | 2007-03-23 | Backplane connector |
| US91749107P | 2007-05-11 | 2007-05-11 | |
| US60/917,491 | 2007-05-11 | ||
| US11/958,098 | 2007-12-17 | ||
| US11/958,098 US7497736B2 (en) | 2006-12-19 | 2007-12-17 | Shieldless, high-speed, low-cross-talk electrical connector |
| PCT/US2007/025910 WO2008082548A1 (en) | 2006-12-19 | 2007-12-18 | Shieldless, high-speed, low-cross-talk electrical connector |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210314461.7A Division CN102856692B (en) | 2006-12-19 | 2007-12-18 | Non-shielding, high-speed and low-crosstalk electric connector |
| CN201210314445.8A Division CN102856691B (en) | 2006-12-19 | 2007-12-18 | Non-shielding, high-speed and low-crosstalk electric connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101611521A CN101611521A (en) | 2009-12-23 |
| CN101611521B true CN101611521B (en) | 2012-11-28 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780051456.9A Active CN101632200B (en) | 2006-12-19 | 2007-11-29 | Back panel connector |
| CN2007800514662A Active CN101611521B (en) | 2006-12-19 | 2007-12-18 | Non-shielding, high-speed and low-crosstalk electric connector |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780051456.9A Active CN101632200B (en) | 2006-12-19 | 2007-11-29 | Back panel connector |
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| CN (2) | CN101632200B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7918683B1 (en) * | 2010-03-24 | 2011-04-05 | Tyco Electronics Corporation | Connector assemblies and daughter card assemblies configured to engage each other along a side interface |
| US8764483B2 (en) * | 2011-05-26 | 2014-07-01 | Fci Americas Technology Llc | Electrical connector |
| US8475208B2 (en) * | 2011-11-21 | 2013-07-02 | Tyco Electronics Corporation | Electrical connector configured to shield cable-termination regions |
| US8535065B2 (en) * | 2012-01-09 | 2013-09-17 | Tyco Electronics Corporation | Connector assembly for interconnecting electrical connectors having different orientations |
| CN103794953A (en) * | 2012-10-30 | 2014-05-14 | 华为技术有限公司 | Connector |
| US9412496B2 (en) * | 2013-10-25 | 2016-08-09 | Tyco Electronics Corporation | Cable assembly for a cable backplane system |
| TWI689136B (en) | 2016-06-15 | 2020-03-21 | 美商山姆科技公司 | Overmolded lead frame providing contact support and impedance matching properties |
| CN107369932A (en) * | 2017-08-08 | 2017-11-21 | 四川华丰企业集团有限公司 | High speed rear panel connector with multilayer wiring printed board |
| CN114843809A (en) | 2018-03-23 | 2022-08-02 | 安费诺有限公司 | Electrical connector, electrical connector module and wafer comprising electrical connector module |
| CN110838635A (en) * | 2019-11-14 | 2020-02-25 | 立讯精密工业股份有限公司 | Electrical connector |
| CN114530733B (en) * | 2021-02-09 | 2024-04-16 | 中航光电科技股份有限公司 | Differential signal connector assembly for realizing vertical interconnection between printed boards |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9300971A (en) * | 1993-06-04 | 1995-01-02 | Framatome Connectors Belgium | Circuit board connector assembly. |
| US5795191A (en) * | 1996-09-11 | 1998-08-18 | Preputnick; George | Connector assembly with shielded modules and method of making same |
| US6132255A (en) * | 1999-01-08 | 2000-10-17 | Berg Technology, Inc. | Connector with improved shielding and insulation |
| KR20020073527A (en) * | 2000-02-03 | 2002-09-26 | 테라다인 인코퍼레이티드 | Connector with shielding |
| JP3491064B2 (en) * | 2000-10-20 | 2004-01-26 | 日本航空電子工業株式会社 | High-speed transmission connector |
| US6872085B1 (en) * | 2003-09-30 | 2005-03-29 | Teradyne, Inc. | High speed, high density electrical connector assembly |
-
2007
- 2007-11-29 CN CN200780051456.9A patent/CN101632200B/en active Active
- 2007-12-18 CN CN2007800514662A patent/CN101611521B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101632200B (en) | 2016-04-20 |
| CN101611521A (en) | 2009-12-23 |
| CN101632200A (en) | 2010-01-20 |
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