CN201302726Y - A dual-interface smart card - Google Patents
A dual-interface smart card Download PDFInfo
- Publication number
- CN201302726Y CN201302726Y CNU200820123852XU CN200820123852U CN201302726Y CN 201302726 Y CN201302726 Y CN 201302726Y CN U200820123852X U CNU200820123852X U CN U200820123852XU CN 200820123852 U CN200820123852 U CN 200820123852U CN 201302726 Y CN201302726 Y CN 201302726Y
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- Prior art keywords
- card
- double
- interface
- smart card
- contact part
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000000463 material Substances 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 11
- 239000002390 adhesive tape Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 8
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Support Of Aerials (AREA)
Abstract
The utility model discloses a dual-interface smart card which relates to smart card manufacturing field and can solve the problem in prior art that antenna bonding pad is in loose contact with contacts of SIM card. The dual-interface smart card includes a card base and a dual-interface module arranged on the card base; an antenna layer comprises a coil part and a card contact part connected with the coil part through a connecting handle; wherein, the card contact part is attached on the card base; the antenna bonding pad on the card contact part is connected with two spare contacts on the dual-interface module through welding material. The dual-interface smart card is applicable to the manufacturing of dual-interface smart cards.
Description
Technical field
The utility model relates to smart card and makes the field, relates in particular to a kind of double-interface smart card.
Background technology
DI (Dual Interface) card is the abbreviation of double-interface IC card (Intelligent Card, smart card).The DI card is to be formed by the laminated chip of PVC (Polyvinyl chloride polymer, Polyvinylchloride), coil, is the card of one based on single-chip, collection contact and non-contact interface.The DI card has two operation interfaces, both can also can visit chip by RF-wise under situation separated by a distance by the contact of the way of contact, carries out identical operations.Two different standards are followed at two interfaces respectively, and contact interface meets ISO/IEC 7816; The noncontact interface meets ISO/IEC 14443.Same microprocessor, operating system and EEPROM (EEPROM (Electrically Erasable Programmable Read Only Memo)) are shared in these two interfaces.Also have an aerial coil that links to each other with microprocessor in the DI card except a microprocessor chip, when using the noncontact interface, the electromagnetic field that is produced by read write line provides energy, realizes energy supply and data transmission by RF-wise.
Along with deepening continuously that IC-card is used, double-interface IC card is owing to have two working interfaces at present, and particularly its non-contact application mode is easy to use, quick, so use more extensive.Particularly be applied to embedded device realization mobile payment, authentications etc. such as portable terminal, these application will offer convenience to people's life.
The use of double-interface smart card in portable terminal has its special character.With SIM (SubscriberIdentity Model, client identification module) card is example, the contact interface of double-interface SIM card provides VCC (supply voltage), CLK (clock), I/O contact interface work required electric signal such as (data) by mobile phone for it by sim card slot; But the noncontact interface of double-interface SIM card needs radio-frequency antenna that signals such as clock, data are provided for its work, and for power supply signal, if mobile phone is in open state, power supply is provided by VCC; If mobile phone is in off-mode, power supply is then provided by radio-frequency antenna.
The antenna in the double-interface smart card and the connected mode of smart card shown in Fig. 1 a, Fig. 1 b and Fig. 1 c, base material B wherein the one side on be attached with aerial coil, antenna passes via hole 110 and is attached on the another side of base material B; Spare contact 410 corresponding contacts on antenna bond pad 310 and the two interface module 400.In addition, 100 among the figure is coiler part, and 300 is card contact part, and 200 is the connection handle between coiler part 100 and the card contact part 300.Because the sim card slot inner thickness is limited, having added the thickness that has caused whole SIM card behind the antenna increases, and this just requires the antenna bond pad can not be blocked up; But antenna bond pad is crossed the thin poor contact of contacts that will cause antenna bond pad and SIM card, and signal can't stable transfer.
The utility model content
The purpose of this utility model is to provide a kind of double-interface smart card, can solve in the prior art problem of loose contact between the antenna bond pad and SIM card contact.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of double-interface smart card comprises:
Card base and the two interface module that are arranged on the described card base;
Antenna stack comprises coiler part and the card contact part that is connected with described coiler part by connection handle, and wherein, described card contact part is attached on the described card base;
Antenna bond pad on the described card contact part is connected by welding material with two spare contacts on the described pair of interface module.
The utility model double-interface smart card comprises Ka Ji and the two interface module that are arranged on the described card base, and antenna stack, comprise coiler part and the card contact part that is connected with described coiler part by connection handle, wherein, described card contact part is attached on the described card base, antenna bond pad on the described card contact part is connected by welding material with two spare contacts on the described pair of interface module, has realized firm being electrically connected between antenna contacts and the SIM card.
Description of drawings
Fig. 1 a is the wherein synoptic diagram of one side of antenna stack in the prior art double-interface smart card;
Fig. 1 b is the synoptic diagram of the another side of antenna stack in the prior art double-interface smart card;
Fig. 1 c is the synoptic diagram of two interface module in the prior art double-interface smart card;
Fig. 2 a is the wherein synoptic diagram of one side of the antenna stack of the utility model embodiment double-interface smart card;
Fig. 2 b is the synoptic diagram of another side of the antenna stack of the utility model embodiment double-interface smart card;
Fig. 2 c has the synoptic diagram of the card base of two interface module for the utility model embodiment;
Figure 3 shows that the side view of new embodiment double-interface smart card of the present invention;
Fig. 4 a is the utility model wherein synoptic diagram of one side of the antenna stack of an embodiment double-interface smart card again;
Fig. 4 b is the synoptic diagram of the another side of antenna stack shown in Fig. 4 a.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment double-interface smart card is described in detail.
Should be clear and definite, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As Fig. 2 a, Fig. 2 b, Fig. 2 c and shown in Figure 3, the utility model embodiment double-interface smart card comprises:
Block basic D and the two interface module 400 that are arranged on the basic D of described card;
Antenna stack E comprises coiler part 100 and the card contact part 300 that is connected with described coiler part 100 by connection handle 200, and wherein, described card contact part 300 is attached on the basic D of described card;
Two spare contacts 410 on antenna bond pad 310 on the described card contact part 300 and the described pair of interface module 400 are connected by welding material.
Wherein, in order to make coiler part 100, coupling part 200 and card contact part 300 obtain the carrier support, these parts are arranged on the base material B.The antenna that coiler part is drawn passes the another side that via hole 110 arrives base material B, only represented among the figure that a kind of antenna passes the specific implementation that via hole 110 arrives base material B another side, the purpose of passing via hole is to submit fork contact for fear of the antenna of the antenna of guiding to connection handle and coiler part at the same face of base material, causes antenna failure.Must guarantee that the sky wire pin that passes coiler part promptly passes via hole to the another side of base material before by coil, another can not pass via hole on the another side of base material with the sky wire pin that coil intersects, and can not pass via hole yet and directly guides to antenna bond pad by connection handle.The spare contact 410 of above-mentioned pair of interface module 400 is two interface module contact C4 and C8.
The utility model double-interface smart card comprises Ka Ji and the two interface module that are arranged on the described card base, and antenna stack, comprise coiler part and the card contact part that is connected with described coiler part by connection handle, wherein, described card contact part is attached on the described card base, antenna bond pad on the described card contact part is connected by welding material with two spare contacts on the described pair of interface module, has realized firm being electrically connected between antenna contacts and the SIM card.
Shown in Fig. 2 a, 2b and Fig. 2 c, in the utility model one preferred embodiment, card contact part 300 is identical with the shape of intelligent card matrix D, and links to each other by double faced adhesive tape between the two.Copper is covered on 310 pairs of surfaces of the antenna bond pad of card contact part 300, and be provided with via hole 330, antenna bond pad 310 is connected with two spare contacts 410 on the described pair of interface module 400 by the welding material of being located in the described via hole 330, can utilize antenna bond pad 310 on antenna substrate B, to form the suitably big zone that is welded to connect, guarantee firm being connected between antenna and the spare contact.The present invention is not limited thereto, and other metal material can also be covered in two surfaces of antenna bond pad.
The spot size that welding material forms is 2.8mm * 1.8mm, and the gross thickness of double-interface smart card is smaller or equal to 1mm.
Other 420 relative positions, contact on card contact part 300 and the two interface module 400 are provided with two windows 320, and other contact 420 of two interface module can be exposed from window 320 so that and the circuit part of portable terminal be electrically connected.Antenna is positioned at the shape that part that described connection handle 200 links to each other with card contact part 300 is arranged to smooth curved, can make antenna stack be not easy to be damaged when being installed to portable terminal like this.
In another preferred embodiment of the utility model, position relative with other contact 420 on two interface module 400 on the card contact part 300 is the hollow out setting, other contact 420 of two interface module can be exposed from the position of hollow out so that and the circuit part of terminal be electrically connected.Position relative with other contact 420 on two interface module 400 on the card contact part 300 can also be a window that other contact all can be exposed.
Embodiment double-interface smart card of the present utility model can be realized firm being electrically connected between the spare contact of antenna bond pad and double-interface smart card, improves the stability of signal transmission between antenna and the smart card.
Shown in Fig. 4 a, Fig. 4 b, at the utility model again in the preferred embodiment, double-interface smart card comprises antenna stack E, comprises the card base D of two interface module 400, be with the difference of the foregoing description, the width of the width of card contact part 300 and connection handle 200 is unanimous on the whole, 300 of card contact part take the spare contact 410 of two interface module 400, do not cover other contacts.Thereby other contact of two interface module 400 then can directly be exposed, and is electrically connected with circuit part in the SIM card draw-in groove of terminal.In addition, be the A of smooth curved portion between card contact part 300 and connection handle 200, and the described smooth curved A of portion is positioned at the C inboard, oblique angle on the card base D of corresponding pair of interface module 400.Also offer via hole 330 on the antenna bond pad 310 on the card contact part 300, be connected by the welding material that is arranged in the described via hole 330 between the spare contact 410 on antenna bond pad 310 and the two interface module 400.Because the A of smooth curved portion has avoided the oblique angle C on the card base, thereby this connected mode can reduce the probability that antenna is torn, and can improve the serviceable life of double-interface smart card.
The above; it only is embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (9)
1, a kind of double-interface smart card comprises:
Card base and the two interface module that are arranged on the described card base;
Antenna stack comprises coiler part and the card contact part that is connected with described coiler part by connection handle, and wherein, described card contact part is attached on the described card base;
It is characterized in that the antenna bond pad on the described card contact part is connected by welding material with two spare contacts on the described pair of interface module.
2, double-interface smart card according to claim 1 is characterized in that, the antenna bond pad of described card contact part is provided with via hole, and described antenna bond pad is connected with two spare contacts on the described pair of interface module by the welding material of being located in the described via hole.
3, double-interface smart card according to claim 1 is characterized in that, described antenna bond pad on the antenna stack with the corresponding day two-sided metal material that covers in wire pin place of spare contact on two interface module.
4, double-interface smart card according to claim 1 is characterized in that, is connected by double faced adhesive tape between described card contact part and the described card base.
5, double-interface smart card according to claim 1 is characterized in that, the shape of described card contact part is identical with the shape of described card base.
6, double-interface smart card according to claim 1 is characterized in that,
The described card contact part position relative with other contact on two interface module is the hollow out setting, and expose from the position of hollow out other contact of described pair of interface module; Or
The described card contact part position relative with other contact on two interface module is provided with window, and expose from described window other contact of described pair of interface module.
7, double-interface smart card according to claim 1 is characterized in that, the width of described card contact part and the width of described connection handle are unanimous on the whole.
8, double-interface smart card according to claim 1 is characterized in that, the spot size that described welding material forms is 2.8mm * 1.8mm, and the gross thickness of described double-interface smart card is smaller or equal to 1mm.
9, double-interface smart card according to claim 7 is characterized in that,
The position that described connection handle links to each other with card contact part is a smooth curved portion;
Described smooth curved portion is arranged on the inboard at the basic oblique angle of described card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820123852XU CN201302726Y (en) | 2008-11-20 | 2008-11-20 | A dual-interface smart card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820123852XU CN201302726Y (en) | 2008-11-20 | 2008-11-20 | A dual-interface smart card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201302726Y true CN201302726Y (en) | 2009-09-02 |
Family
ID=41086354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820123852XU Expired - Lifetime CN201302726Y (en) | 2008-11-20 | 2008-11-20 | A dual-interface smart card |
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| Country | Link |
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| CN (1) | CN201302726Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231193A (en) * | 2011-07-06 | 2011-11-02 | 黄艳 | Double-interface smart card |
| CN102360443A (en) * | 2011-09-28 | 2012-02-22 | 张开兰 | Method for producing dual-interface card |
| CN102426658A (en) * | 2011-11-01 | 2012-04-25 | 上海柯斯软件有限公司 | Dual-protocol supporting contact-less communication smart card |
| CN102708397A (en) * | 2012-05-17 | 2012-10-03 | 广东翼卡车联网服务有限公司 | Intelligent updating method and device of TF (TransFlash) card as well as preparation process of TF card |
| WO2013004197A1 (en) * | 2011-07-06 | 2013-01-10 | 上海蓝沛新材料科技股份有限公司 | Dual-interface smart card, manufacture method and slot milling method thereof |
| CN104218690A (en) * | 2014-09-09 | 2014-12-17 | 昆腾微电子股份有限公司 | Visual card power management device and method |
| CN104408513A (en) * | 2014-08-27 | 2015-03-11 | 北京中电华大电子设计有限责任公司 | Intelligent card carrier band with extensible bonding pads |
-
2008
- 2008-11-20 CN CNU200820123852XU patent/CN201302726Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231193A (en) * | 2011-07-06 | 2011-11-02 | 黄艳 | Double-interface smart card |
| WO2013004197A1 (en) * | 2011-07-06 | 2013-01-10 | 上海蓝沛新材料科技股份有限公司 | Dual-interface smart card, manufacture method and slot milling method thereof |
| CN102360443A (en) * | 2011-09-28 | 2012-02-22 | 张开兰 | Method for producing dual-interface card |
| CN102360443B (en) * | 2011-09-28 | 2013-08-14 | 张开兰 | Method for producing dual-interface card |
| CN102426658A (en) * | 2011-11-01 | 2012-04-25 | 上海柯斯软件有限公司 | Dual-protocol supporting contact-less communication smart card |
| CN102708397A (en) * | 2012-05-17 | 2012-10-03 | 广东翼卡车联网服务有限公司 | Intelligent updating method and device of TF (TransFlash) card as well as preparation process of TF card |
| CN102708397B (en) * | 2012-05-17 | 2016-01-20 | 广东翼卡车联网服务有限公司 | A kind of TF card intelligent upgrade method and device |
| CN104408513A (en) * | 2014-08-27 | 2015-03-11 | 北京中电华大电子设计有限责任公司 | Intelligent card carrier band with extensible bonding pads |
| CN104218690A (en) * | 2014-09-09 | 2014-12-17 | 昆腾微电子股份有限公司 | Visual card power management device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090902 Effective date of abandoning: 20081120 |