WO2005122257A1 - コンデンサを内蔵した半導体装置及びその製造方法 - Google Patents
コンデンサを内蔵した半導体装置及びその製造方法 Download PDFInfo
- Publication number
- WO2005122257A1 WO2005122257A1 PCT/JP2004/007943 JP2004007943W WO2005122257A1 WO 2005122257 A1 WO2005122257 A1 WO 2005122257A1 JP 2004007943 W JP2004007943 W JP 2004007943W WO 2005122257 A1 WO2005122257 A1 WO 2005122257A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- semiconductor chip
- semiconductor device
- capacitor
- electrode
- chip
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 309
- 239000003990 capacitor Substances 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 89
- 239000010410 layer Substances 0.000 claims abstract description 81
- 239000012790 adhesive layer Substances 0.000 claims abstract description 12
- 239000000853 adhesive Substances 0.000 claims description 30
- 230000001070 adhesive effect Effects 0.000 claims description 30
- 239000011347 resin Substances 0.000 claims description 23
- 229920005989 resin Polymers 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 17
- 239000004593 Epoxy Substances 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 abstract description 51
- 238000007789 sealing Methods 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 13
- 229910000679 solder Inorganic materials 0.000 description 13
- 239000000919 ceramic Substances 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- 230000001052 transient effect Effects 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- -1 if necessary Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
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Definitions
- the present invention relates to a semiconductor device having a built-in capacitor and a method for manufacturing the same.
- a capacitor (capacitance element) is inserted between a power supply and a ground (ground) to absorb and accumulate (bypass) a charge of a transient current.
- This capacitor (capacitance element) is called a decoupling capacitor or a bypass capacitor.
- FIG. 1 shows a so-called ceramic package type semiconductor device as one of conventional semiconductor devices having a decoupling capacitor (for example, see Japanese Patent Application Laid-Open No. 5-335501).
- a semiconductor chip 34 is housed in a cavity 33 formed by a ceramic substrate 31 and a cap 32.
- ground electrode 6 is a ground (ground) electrode of the semiconductor chip 34 by a wire 37 such as a gold wire. 38 and the power supply electrode 39.
- conductor layers 42 and 43 are provided between the semiconductor chip 34 and the ceramic substrate 31 with a dielectric layer 41 interposed therebetween.
- the conductor layer 42 is connected to a power supply terminal, and the conductor layer 43 is connected to a ground terminal, thereby forming a decoupling capacitor 40.
- the semiconductor chip is face-down (the circuit formation surface of the semiconductor substrate is on the lower side.
- the mounting is performed by a method.
- FIG. 2 shows a configuration in which a decoupling capacitor is mounted in such a face-down type semiconductor device.
- a decoupling capacitor is mounted in such a face-down type semiconductor device.
- the semiconductor device 50 includes a mounting substrate 51 and a first electrode mounted on an electrode pad 52 of the mounting substrate 51 by connecting an electrode 54 via a solder ball 53. Including semiconductor chip 55.
- the second semiconductor chip 57 is provided with a signal wiring 58 connected to the electrode 54 of the first semiconductor chip 55, corresponding to a place where the solder ball 53 is not arranged.
- the second semiconductor chip 57 having a built-in decoupling capacitor is placed in a space where the solder balls and the like of the first semiconductor chip 55 are not arranged. Need to be placed in
- the size and shape of the second semiconductor chip 57 are restricted by the layout of the solder balls in the first semiconductor chip 55. Therefore, the first semiconductor chip
- the production of the second semiconductor chip 57 requires a wafer process, which leads to an increase in the development period.
- a support substrate for supporting the semiconductor chip is provided with a solder ball or the like.
- the structure of arranging the external connection terminals in an array has been widely used.
- BGA All Grid Array
- FIG. 3 shows a conventional configuration in which a decoupling capacitor is mounted in a BGA type semiconductor device.
- the semiconductor device 70 includes a support substrate (interposer) 73 in which solder balls 72 are bonded to pads 71 arranged in an array on the back surface, And a semiconductor chip 75 covered with a sealing resin 74.
- the support substrate 73 is configured by disposing a wiring layer on the surface and / or inside of an insulating substrate such as glass epoxy.
- the wiring layers on the front, back, and inside are interconnected by interlayer connection conductors as necessary.
- the bonding pads 76 arranged on the surface of the support substrate 73 are connected to the ground electrode 78 and the power supply electrode 79 of the semiconductor chip 75 by wires 77.
- a conductor layer 81 and a conductor layer 82 are provided between a semiconductor chip 75 and a support substrate 73 with a dielectric layer 80 interposed therebetween.
- Conductor layer 81 is for power supply terminal
- the conductive layer 82 is connected to a ground terminal to form a decoupling capacitor 83.
- the electrodes of the semiconductor chip are connected to the bonding pads, the wiring of the inner surface layer of the support substrate Z, and the external terminals (such as solder balls). Need to connect to the electrode / socket of electronic equipment.
- a multilayered support substrate 73 As a method of securing a space for routing the wiring without changing the size of the support substrate 73, a multilayered support substrate 73 can be considered. However, a multilayered support substrate makes the structure complicated. It leads to high cost.
- the wiring substrate occupies about 70% of the material cost of the semiconductor device package, and it is desirable to avoid the high cost of the wiring substrate as much as possible.
- passive components such as resistors, inductors, and capacitors that are not limited to active components such as semiconductor devices are also mounted.
- These passive components are necessary for stably operating active components such as semiconductor devices, and are mounted on the wiring board (mother board) of electronic equipment near the periphery of the semiconductor device. They are arranged.
- the present invention has been made in view of such a problem, and an object of the present invention is to provide a semiconductor device having a built-in decoupling capacitor and a method of manufacturing the same in a simple and low-cost configuration, thereby achieving a small size. ⁇ To achieve higher performance.
- a first semiconductor chip and a second semiconductor chip or a dummy chip are arranged in a stacked state via a dielectric layer on a support substrate. And a capacitor having a dielectric layer as a dielectric is formed between the first semiconductor chip and the second semiconductor chip or the dummy chip. .
- the first semiconductor chip and the second semiconductor chip or the dummy chip arranged in a stacked state with the first semiconductor chip are provided on the support substrate.
- a semiconductor device is provided, wherein a capacitor having a dielectric layer made of an adhesive layer for bonding a first semiconductor chip and the second semiconductor chip or the dummy chip is formed.
- a step of mounting a dummy chip having one electrode of a capacitor on a surface thereof on a support substrate on which a desired wiring ′ electrode is formed Mounting a semiconductor chip having the other electrode of the capacitor on the surface to be bonded via an adhesive layer; and connecting one electrode and the other electrode of the capacitor to a power supply electrode or a ground electrode on the support substrate.
- a method of manufacturing a semiconductor device is also possible.
- an insulator layer serving as a dielectric layer is provided between two semiconductor chips in a stacked state or between a semiconductor chip and a dummy chip also in a stacked state.
- a capacitor (capacitance element) is formed by arranging an electrode layer with the electrodes interposed therebetween.
- This capacitor functions as a decoupling capacitor, and contributes to higher performance of the semiconductor device. According to the present invention, it is not necessary to dispose electrodes constituting a capacitive element on a support substrate supporting a semiconductor chip.
- FIG. 1 is a cross-sectional view showing a configuration of a conventional ceramic package type semiconductor device.
- FIG. 2 is a cross-sectional view showing a configuration of a conventional semiconductor device with a built-in component.
- Garden 3 is a cross-sectional view showing a configuration of a conventional BGA package type semiconductor device.
- FIG. 4 is a cross-sectional view showing a configuration of the semiconductor device according to the first embodiment of the present invention.
- FIG. 5 is a top view showing the configuration of the semiconductor device according to the first embodiment of the present invention.
- FIG. 6 is a circuit diagram showing an equivalent circuit according to the semiconductor device shown in FIG. 4.
- FIG. 7 is an exploded perspective view showing the configuration of the semiconductor device according to the first embodiment of the present invention.
- FIG. 8 is a view for explaining the method for manufacturing the semiconductor device shown in FIG. 7.
- FIG. 9 is a cross-sectional view illustrating a configuration of a semiconductor device according to a second embodiment of the present invention.
- FIG. 10 is a top view showing a configuration of a semiconductor device according to a second embodiment of the present invention.
- FIG. 11 is a plan view showing the back surface of the second semiconductor chip in the semiconductor device shown in FIG.
- FIG. 12 is a cross-sectional view illustrating a configuration of a semiconductor device according to a third embodiment of the present invention.
- FIG. 13 is a top view showing a configuration of a semiconductor device according to a third embodiment of the present invention.
- FIG. 13 is a plan view showing the back surface of a second semiconductor chip in the semiconductor device shown in FIG.
- Garden 15 is a diagram for explaining radiation noise generated when the semiconductor device of FIG. 9 is operated.
- FIG. 13 is a diagram for explaining an effect when the semiconductor device of FIG. 12 is mounted on a mother board and operated.
- FIG. 17 is a cross-sectional view illustrating a configuration of a semiconductor device according to a fourth embodiment of the present invention.
- FIG. 18 is a top view showing a configuration of a semiconductor device according to a fourth embodiment of the present invention.
- FIG. 19 is a sectional view showing a configuration of a semiconductor device according to a fifth embodiment of the present invention.
- FIG. 20 is a top view illustrating a configuration of a semiconductor device according to a fifth embodiment of the present invention.
- FIG. 21 is a cross-sectional view illustrating a configuration of a semiconductor device according to a sixth embodiment of the present invention.
- FIG. 22 is a top view illustrating a configuration of a semiconductor device according to a sixth embodiment of the present invention.
- FIG. 23 is a cross-sectional view illustrating a configuration of a semiconductor device according to a seventh embodiment of the present invention.
- FIG. 24 is a top view illustrating a configuration of a semiconductor device according to a seventh embodiment of the present invention.
- FIG. 25 is a sectional view showing a configuration of a semiconductor device according to an eighth embodiment of the present invention.
- FIG. 26 is a top view illustrating a configuration of a semiconductor device according to an eighth embodiment of the present invention.
- FIG. 27 is a plan view showing the back surface of the dummy chip in the semiconductor device shown in FIG. 25.
- FIG. 28 is a sectional view showing a configuration of a semiconductor device according to a ninth embodiment of the present invention.
- FIG. 29 is a top view showing the configuration of the semiconductor device according to the ninth embodiment of the present invention.
- FIG. 30 is a plan view showing the back surface of the dummy chip in the semiconductor device shown in FIG. 28. Explanation of symbols
- Adhesive layer (second adhesive) Adhesive layer (second adhesive)
- FIGS. 4 and 5 show the configuration of the semiconductor device having a built-in capacitor (capacitance element) according to the first embodiment of the present invention.
- a stacked semiconductor device incorporating two semiconductor chips is described.
- the semiconductor device 10 has pads arranged on its back surface in an array.
- It includes a support substrate 13 having solder balls 12 bonded to 11, and a first semiconductor chip 15 and a second semiconductor chip 16 disposed on the support substrate 13 and covered with a sealing resin 14.
- the support substrate 13 is configured by disposing a wiring layer on the surface and / or inside of an insulating substrate such as glass epoxy.
- the wiring layers on the front, back, and inside are interconnected by interlayer connection conductors as necessary.
- the ground (ground) pad 17a, the power supply pad 17b, and the signal pad 17c are each connected to the first semiconductor by a wire 18.
- the chip 15 and the second semiconductor chip 16 are connected to a grounding electrode pad, a power supply electrode pad, or a signal electrode pad.
- the first semiconductor chip 15 is bonded onto the support substrate 13 in a face-up manner (in a state where the circuit formation surface is faced up) using the first adhesive 19.
- the first adhesive 19 is preferably tape-shaped so as to prevent unnecessary outflow to the periphery of the 1S semiconductor chip 15, for example, a silicon-based or epoxy-based resin can be used. . As long as unnecessary outflow does not occur, a paste-like material may be used.
- the conductor layer 21 is previously formed on the circuit formation surface of the first semiconductor chip 15 by a rewiring technique, and is connected to the power supply electrode of the first semiconductor chip 15.
- a metal such as copper (Cu) or aluminum (A1) can be used.
- a second adhesive 22 is applied by using a second adhesive 22.
- a conductor layer 23 is formed in advance by sputtering or the like.
- a metal such as copper or aluminum is used. That can be S.
- the conductive layer 23 is connected to a ground (ground) electrode of the second semiconductor chip 16 which is a potential of a balter portion.
- the conductor layer 23 disposed on the lower surface of the second semiconductor chip 16 is opposed to the conductor layer 23 via a second adhesive 22 having an area approximately equal to that of the second semiconductor chip 16.
- a capacitor (capacitance element) 20 using the second adhesive 22 as a dielectric and the conductive layers 21 and 23 as electrodes is formed and arranged.
- the second adhesive 22 for example, a silicon-based or epoxy-based resin can be used. Since the second adhesive 22 functions as a dielectric that determines the capacity of the capacitor 20, it is preferable that the second adhesive 22 has a high relative permittivity and is as thin as possible. In this embodiment, it is desirable that the relative dielectric constant is 5 or more and the thickness is 20 ⁇ or less.
- the adhesive 22 it is necessary that the adhesive can be applied with a constant area and thickness as much as possible, so that a tape-shaped or sheet-shaped adhesive is applied. As long as it can be formed with a certain area and thickness, a paste-like material may be used.
- the powerful capacitor 20 is inserted between the power supply electrode (VDD) and the ground electrode (GND), and functions as a decoupling capacitor.
- the semiconductor device 10 of this embodiment by forming and arranging the capacitor 20 between the semiconductor chip 15 and the semiconductor chip 16 which are stacked, the support substrate
- the space for wiring around the support substrate 13 is enlarged, and a smaller and thinner semiconductor device with a built-in capacitor can be formed.
- FIG. 7 is an exploded perspective view showing the configuration of the semiconductor device 10 with a built-in capacitor according to the first embodiment.
- the first semiconductor chip 15 having the conductor layer 21 disposed on the upper surface 13 a of the support substrate 13 via the first adhesive layer 19 is provided on the upper surface 13 a of the support substrate 13.
- the second semiconductor chip 16 having the second conductor layer 23 disposed on the lower surface thereof is mounted and fixed on the conductor layer 21 via the second adhesive 22.
- the wires and the sealing resin are not shown. According to the strong configuration, it is not necessary to dispose a capacitor electrode on the upper surface 13a of the support substrate 13, and a sufficient space for wiring can be secured.
- the configuration shown in FIG. 7 shows a case where the area of the conductor layer 23 is approximately the same as that of the second semiconductor chip 15, however, due to the wire connection with another semiconductor chip.
- the shape and area of the conductor layer 23 may be changed. If there are more than one power supply, the conductor layer 23 may be divided as necessary to form decoupling capacitors corresponding to each power supply. Further, a part of the capacitor (capacitance element) formed by the divided conductor layers may be used for circuit formation other than the decoupling capacitor.
- FIG. 8 shows an example of a method for manufacturing the semiconductor device with a built-in capacitor shown in FIGS. 4, 5, and 7.
- a conductor layer 23 is formed on the back surface of a semiconductor substrate (wafer) W2 including a plurality of second semiconductor chips 16a by performing a sputtering method.
- a tape-shaped or sheet-shaped second adhesive 22 functioning as an adhesive with the first semiconductor chip 15 and as a dielectric of the capacitor 20 is applied to the conductor layer. 23 Paste on top.
- a second semiconductor chip 16 is formed through a dicing step of the semiconductor substrate W2.
- a conductor layer 21 is formed on a circuit formation surface of a semiconductor substrate (wafer) W1 including a plurality of first semiconductor chips 15a by using a rewiring technique. .
- a tape-shaped or sheet-shaped first adhesive 19 for bonding to the support substrate 13 is attached to the back surface of the semiconductor substrate W1.
- a first semiconductor chip 15 is formed through a dicing step of the semiconductor substrate W1.
- a wiring layer is provided on the surface and / or inside of an insulating substrate made of glass epoxy or the like.
- a support substrate 13 connected to each other by an interlayer connection conductor is prepared. Bonding pads 17 (power supply electrode, ground electrode, signal electrode) are selectively provided on the wiring layer of the support substrate 13.
- the support substrate 13 may not be individual (single) as shown in the figure, but may be a sheet shape in which a plurality of pieces are connected.
- the first semiconductor chip 15 is mounted on the support substrate 13 via the first adhesive 19, and the second adhesive 22 is further placed thereon. Then, the second semiconductor chip 16 is mounted. At this stage, the capacitor 20 having the dielectric layer made of the adhesive 22 disposed between the upper and lower electrodes (conductor layers 21 and 23) is formed, and the semiconductor device 10 with a built-in capacitor is formed.
- the semiconductor chip laminated structure is hermetically sealed using a resin molding method.
- the support substrate 13 is in a sheet shape as described above, a plurality of semiconductor chip laminated structures arranged on the support substrate 13 are collectively molded, and then the semiconductor chip laminated structures are interposed.
- the resin 14 and the support substrate 13 are cut and separated to form a plurality of semiconductor devices each including a semiconductor chip laminated structure.
- FIGS. 1 and 2 the configuration of a semiconductor device with a built-in capacitor according to the second embodiment of the present invention is shown in FIGS.
- This embodiment also describes a stacked semiconductor device incorporating two semiconductor chips.
- FIG. 10 shows a state in which the sealing resin 14 and the second semiconductor chip 16 are not mounted in the configuration shown in FIG.
- FIG. 11 shows the shape of the electrode pattern on the back surface of the second semiconductor chip 16, that is, the surface facing the semiconductor chip 15.
- a semiconductor device 10 A includes a support substrate 13 in which solder balls 12 are bonded to pads 11 arranged in an array on the back surface thereof, and a support substrate 13 disposed on the support substrate 13. And a first semiconductor chip 15 and a second semiconductor chip 16 covered with a sealing resin 14.
- the support substrate 13 is configured by disposing a wiring layer on the surface and / or inside of an insulating substrate such as glass epoxy. Front and back, internal wiring layer, if necessary, conductor for interlayer connection Are connected to each other.
- the ground (dur- land) pad 17a, the power supply pad 17b, and the signal pad 17c are each connected to a wire 18 by a wire 18. It is connected to a ground electrode pad, a power supply electrode pad, or a signal electrode pad in the first semiconductor chip 15 and the second semiconductor chip 16.
- the first semiconductor chip 15 is fixed on the support substrate 13 in a face-up manner (with the circuit formation surface facing up) using the first adhesive 19.
- the material of the first adhesive 19 for example, a silicon-based or epoxy-based resin can be used as in the second embodiment.
- the first adhesive 19 is preferably in the form of a tape or a sheet so that unnecessary outflow outside the semiconductor chip can be prevented.
- the conductor layer 21 is formed on the circuit formation surface of the first semiconductor chip 15 by the rewiring technique, and is connected to the power supply electrode of the first semiconductor chip 15.
- a metal such as copper (Cu) or aluminum (A1) can be used.
- an electrode for grounding (ground) and rewiring of a signal line for connection with the second semiconductor chip 16 are formed on the circuit formation surface of the first semiconductor chip 15. It is formed.
- the second semiconductor chip 16 is placed on the first semiconductor chip 15 in a face-down manner (with the circuit formation surface down) by an underfill material. It is fixed using a resin that is 22a.
- the strong underfill material 22a is also required to be able to be applied with a constant area and thickness as much as possible, so that a tape-shaped or sheet-shaped material is applied. As long as it can be formed with a certain area and thickness, a paste-like material may be used.
- a conductor layer 23 is formed on the circuit formation surface of the second semiconductor chip 16 by a rewiring technique, and is connected to a ground (ground) electrode of the second semiconductor chip 16.
- the protruding electrode 16 e of the second semiconductor chip 16 is connected to the redistribution layer 2 la formed on the first semiconductor chip 15.
- the power supply electrode, the ground (ground) electrode, and other signal pins on the first semiconductor chip 15 are connected to the bonding pads 17 on the support substrate 13 by using wires 18.
- the conductor layer 21 provided on the first semiconductor chip 15 The conductor layer 23 disposed on the upper surface (circuit formation surface) of the second semiconductor chip 16 is opposed to the conductor layer 23 via an adder fill material 22a having an area approximately equal to that of the second semiconductor chip 16.
- a capacitor (capacitance element) 20 having the underfill material 22a as a dielectric and the conductive layers 21 and 23 as electrodes is formed.
- the underfill material 22a functions as a dielectric that determines the capacity of the capacitor 20, it is preferable that the relative dielectric constant is high and the thickness is as small as possible.
- FIGS. 12 to 14 show the configuration of a semiconductor device with a built-in capacitor that is useful in the third embodiment of the present invention.
- FIG. 13 shows a state in which the sealing resin 14 and the second semiconductor chip 16 are not mounted in the configuration shown in FIG.
- FIG. 14 shows a pattern of forming an electrode layer on the back surface of the second semiconductor chip 16, that is, the surface facing the semiconductor chip 15.
- the semiconductor device 10 B of this embodiment is basically the same as that of the second embodiment, except that a support substrate 13 is provided on the circuit formation surface of the first semiconductor chip 15.
- a conductor layer 23 connected to the upper grounding (ground) electrode 17a is provided, and a conductor layer 21 connected to the power supply electrode 17b on the support substrate 13 is provided on the circuit forming surface of the second semiconductor chip 16. Is different.
- the conductor layer 23 for grounding is formed on the second semiconductor chip 16 (upper side). Since the area of 23 is equal to or less than the area of second semiconductor chip 16, the effect of preventing (shielding) emission of radiated noise generated from first semiconductor chip 15 may not be sufficient.
- the semiconductor device 10 B of the third embodiment shown in FIG. 12 is mounted on a mother board and operated, as shown in FIG. 16, the first semiconductor chip 15 is grounded ( Since the conductor layer 23 is formed and the area of the conductor layer 23 is larger than the area of the second semiconductor chip 16, radiation noise generated from the second semiconductor chip 16 is effectively prevented (shielded). That can be S. That is, in FIG. 16, the noise force S emitted from the second semiconductor chip 16 and the other electronic components mounted on the back surface (other main surface) of the motherboard 101 via the solder balls 102 It is possible to prevent the impact on 103.
- the semiconductor device including two semiconductor chips (first and second semiconductor chips) has been described.
- FIG. 17 is a diagram showing a configuration of a semiconductor device with a built-in capacitor according to the fourth embodiment of the present invention.
- FIG. 18 shows a state where the sealing resin 14 is not mounted in the configuration shown in FIG.
- a dummy chip 16 a is mounted on the semiconductor chip 15 in order to form a capacitor (capacitance element) together with the semiconductor chip 15. You.
- the other configuration is basically the same as that of the first embodiment, and a description thereof will be omitted.
- the dummy chip 16a is made of, for example, silicon (Si).
- Tip force is composed.
- such a dummy chip 16a has a capability of forming a metal layer by sputtering aluminum or the like on the front and back surfaces thereof in advance, and a method of doping impurities at a high concentration to thereby determine the conductivity of the metal layer.
- wire bonding can be performed at any position of the dummy chip.
- the semiconductor device 10 C of this embodiment by applying the dummy chip 16 a, the degree of freedom of connection of the power supply wiring or the ground wiring is increased, and the semiconductor chip 15 and the bonding pad 17 of the support substrate 13 are connected. Design flexibility because only the positional relationship of S power
- FIG. 20 shows a state where sealing resin 14 is not mounted in the configuration shown in FIG.
- the semiconductor device 10D according to this embodiment has substantially the same configuration as that of the fourth embodiment, except that the potential of the dummy chip 16a is set to the same potential as the power supply potential VDD, and the circuit of the semiconductor chip 15 A conductor layer 23 to be connected to the grounding electrode 17a is formed on the formation surface.
- the other configuration is the same as that of the fourth embodiment, and the description is omitted.
- a conductor layer 23 connected to the ground (ground) electrode 12a is formed on a semiconductor chip 15 (lower semiconductor chip).
- the area of the conductor layer 23 is larger than the area of the dummy chip 16a.
- the spread of radiation noise generated from the semiconductor chip 15 can be more effectively suppressed as compared with the configuration of the fourth embodiment.
- FIGS. 21 and 22 A configuration of a semiconductor device with a built-in capacitor according to the sixth embodiment of the present invention will be described with reference to FIGS. 21 and 22.
- FIG. 22 shows a state where the sealing resin 14 is not mounted in the configuration shown in FIG.
- the semiconductor device 10E according to this embodiment has a configuration in which the semiconductor chip 15 and the dummy chip 16a are switched upside down from the configuration shown in the fourth embodiment. That is, in the semiconductor device 10E of FIG. 21, the dummy chip 16a is mounted on the support substrate 13, and the semiconductor chip 15 is mounted on the dummy chip 16a via the adhesive 22.
- the other configuration is the same as that of the fourth embodiment, and the description is omitted.
- the size of the semiconductor chip 15 is significantly smaller than the size of the entire semiconductor device (for example, since the number of electrodes of the semiconductor chip 15 is large, The number of solder balls drawn out increases, and the size of the support substrate 13 increases.
- the warp S of the semiconductor device including the support substrate 13 and the sealing resin 14 can be reduced.
- FIG. 24 shows a state where the sealing resin 14 is not mounted in the configuration shown in FIG.
- the semiconductor device 10F according to this embodiment has a configuration in which the semiconductor chip 15 and the dummy chip 16a are exchanged upside down in the configuration of the fifth embodiment. That is, in the semiconductor device 10F of FIG. 23, the dummy chip 16a is mounted on the support substrate 11, and the semiconductor chip 15 is mounted on the dummy chip 16a via the adhesive 22.
- the other configuration is the same as that of the fifth embodiment, and the description is omitted.
- FIG. 26 shows a state where the sealing resin 14 and the dummy chip 16a are not mounted in the configuration shown in FIG.
- FIG. 27 shows the configuration of the back surface of the dummy chip 16a.
- the semiconductor device 10 G according to this embodiment is the same as the configuration of the fourth embodiment except that the dummy chip 16 a is mounted on the semiconductor chip 15.
- the other configuration is the same as that of the fourth embodiment, and the description is omitted.
- the wire 18 since the wire 18 is not used to connect the dummy chip 16 a, the height of the semiconductor device must be reduced by the wire loop height. Power S can.
- the structure of the semiconductor device 10 G of this embodiment is suitable for a case where a thinner semiconductor package is required.
- a configuration of a semiconductor device with a built-in capacitor according to the ninth embodiment of the present invention will be described with reference to FIGS.
- FIG. 29 shows a state where the sealing resin 14 and the dummy chip 16a are not mounted in the configuration shown in FIG.
- FIG. 30 shows the configuration of the back surface of the dummy chip 16a.
- a semiconductor device 10H according to this embodiment has a configuration in which the dummy chip 16a is mounted on the semiconductor chip 15 in the configuration of the fifth embodiment.
- the other configuration is the same as that of the fifth embodiment, and a description thereof will be omitted.
- the height of the semiconductor device can be reduced by the wire loop height. it can.
- the structure of the semiconductor device 10H of this embodiment is suitable for a case where a thinner semiconductor package is required.
- one semiconductor chip and another semiconductor chip or a dummy chip stacked between the semiconductor chip and the semiconductor chip are stacked.
- a capacitor capacitor element
- Such a capacitor prevents power bounce or ground bounce based on transient current by being inserted between the power supply and the ground (ground) of the semiconductor device, and functions as a decoupling capacitor that suppresses the power bounce. This greatly contributes to higher performance.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Semiconductor Integrated Circuits (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004800424728A CN100527413C (zh) | 2004-06-07 | 2004-06-07 | 内置有电容器的半导体装置及其制造方法 |
JP2006514364A JP4395166B2 (ja) | 2004-06-07 | 2004-06-07 | コンデンサを内蔵した半導体装置及びその製造方法 |
PCT/JP2004/007943 WO2005122257A1 (ja) | 2004-06-07 | 2004-06-07 | コンデンサを内蔵した半導体装置及びその製造方法 |
US11/508,289 US8097954B2 (en) | 2004-06-07 | 2006-08-23 | Adhesive layer forming a capacitor dielectric between semiconductor chips |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/007943 WO2005122257A1 (ja) | 2004-06-07 | 2004-06-07 | コンデンサを内蔵した半導体装置及びその製造方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/508,289 Continuation US8097954B2 (en) | 2004-06-07 | 2006-08-23 | Adhesive layer forming a capacitor dielectric between semiconductor chips |
Publications (1)
Publication Number | Publication Date |
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WO2005122257A1 true WO2005122257A1 (ja) | 2005-12-22 |
Family
ID=35503378
Family Applications (1)
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PCT/JP2004/007943 WO2005122257A1 (ja) | 2004-06-07 | 2004-06-07 | コンデンサを内蔵した半導体装置及びその製造方法 |
Country Status (4)
Country | Link |
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US (1) | US8097954B2 (ja) |
JP (1) | JP4395166B2 (ja) |
CN (1) | CN100527413C (ja) |
WO (1) | WO2005122257A1 (ja) |
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EP2079108A1 (en) * | 2006-10-31 | 2009-07-15 | Sumitomo Bakelite Co., Ltd. | Semiconductor electronic component and semiconductor device using the same |
JP2010245269A (ja) * | 2009-04-06 | 2010-10-28 | Nec Corp | 半導体装置 |
JP2010537406A (ja) * | 2007-08-16 | 2010-12-02 | マイクロン テクノロジー, インク. | 積層されたマイクロエレクトロニクスデバイス、および積層されたマイクロエレクトロニクスデバイスを製造するための方法 |
US8846449B2 (en) | 2011-05-17 | 2014-09-30 | Panasonic Corporation | Three-dimensional integrated circuit, processor, semiconductor chip, and manufacturing method of three-dimensional integrated circuit |
US9099477B2 (en) | 2012-05-10 | 2015-08-04 | Panasonic Intellectual Property Management Co., Ltd. | Three-dimensional integrated circuit having stabilization structure for power supply voltage, and method for manufacturing same |
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JP4969934B2 (ja) * | 2006-07-19 | 2012-07-04 | 株式会社東芝 | 半導体装置 |
US8310061B2 (en) * | 2008-12-17 | 2012-11-13 | Qualcomm Incorporated | Stacked die parallel plate capacitor |
JP2010192680A (ja) * | 2009-02-18 | 2010-09-02 | Elpida Memory Inc | 半導体装置 |
KR20130042210A (ko) * | 2011-10-18 | 2013-04-26 | 삼성전자주식회사 | 멀티-칩 패키지 및 그의 제조 방법 |
JP6122290B2 (ja) | 2011-12-22 | 2017-04-26 | 三星電子株式会社Samsung Electronics Co.,Ltd. | 再配線層を有する半導体パッケージ |
KR20140115668A (ko) * | 2013-03-21 | 2014-10-01 | 삼성전자주식회사 | 방열판과 수동 소자를 갖는 반도체 패키지 |
CN105101638A (zh) * | 2015-07-16 | 2015-11-25 | 浪潮电子信息产业股份有限公司 | 一种电路板和电路板上芯片去耦的方法 |
FR3077925B1 (fr) * | 2018-02-14 | 2021-06-18 | Commissariat Energie Atomique | Circuit integre tridimensionnel face a face de structure simplifiee |
US10629533B2 (en) | 2018-03-13 | 2020-04-21 | Toshiba Memory Corporation | Power island segmentation for selective bond-out |
US11302611B2 (en) | 2018-11-28 | 2022-04-12 | Texas Instruments Incorporated | Semiconductor package with top circuit and an IC with a gap over the IC |
US12021003B2 (en) | 2021-08-12 | 2024-06-25 | Marvell Asia Pte, Ltd. | Semiconductor device package with semiconductive thermal pedestal |
US20240088111A1 (en) * | 2022-09-13 | 2024-03-14 | Nanya Technology Corporation | Semiconductor device with decoupling capacitor structure and method for manufacturing the same |
TWI846267B (zh) * | 2023-01-13 | 2024-06-21 | 福懋科技股份有限公司 | 半導體封裝 |
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EP2079108A1 (en) * | 2006-10-31 | 2009-07-15 | Sumitomo Bakelite Co., Ltd. | Semiconductor electronic component and semiconductor device using the same |
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Also Published As
Publication number | Publication date |
---|---|
CN1926684A (zh) | 2007-03-07 |
JP4395166B2 (ja) | 2010-01-06 |
US20070001298A1 (en) | 2007-01-04 |
US8097954B2 (en) | 2012-01-17 |
CN100527413C (zh) | 2009-08-12 |
JPWO2005122257A1 (ja) | 2008-04-10 |
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