CN203405841U - Contact type IC intelligent card - Google Patents
Contact type IC intelligent card Download PDFInfo
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- CN203405841U CN203405841U CN201320530439.6U CN201320530439U CN203405841U CN 203405841 U CN203405841 U CN 203405841U CN 201320530439 U CN201320530439 U CN 201320530439U CN 203405841 U CN203405841 U CN 203405841U
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- chip
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- contact
- smart card
- flexible pcb
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Abstract
The utility model discloses a contact type IC intelligent card prepared in a manner that an IC chip having contacts is packaged on a PVC card. The IC intelligent card comprises a flexible circuit board and the chip, the flexible circuit board is provided with an etched antenna, and the chip is arranged on the flexible circuit board and is electrically connected with the etched antenna. The flexible circuit board takes place of a carrier band. The flexible circuit board is characterized by high wiring density, light weight and small thickness. The chip is arranged on the flexible circuit board, and the etched antenna arranged on the flexible circuit board takes place of an independent antenna, so that the chip and the etched antenna are electrically connected via a corresponding bonding pad. By employing the contact type IC intelligent card, the chip and the etched antenna are integrally connected. The flexible circuit board and the etched antenna are of some ductility and bending resistance, so that a short circuit between the chip and the antenna is effectively prevented, and the reliability of the intelligent card for use is improved.
Description
Technical field
The utility model relates to a kind of smart card, particularly relates to a kind of contact IC smart card.
Background technology
Current a kind of contact IC smart card mainly comprises cover plate, chip, antenna, carrier band, and its chips and antenna are all separate units, when encapsulation, is arranged on respectively on the corresponding position of carrier band, makes a kind of contact IC smart card more afterwards by encapsulation cover plate.In a kind of contact IC smart card of noncontact, the module that is provided with of chip is welded and directly pastes two kinds of methods of chip at present; but each defectiveness: the chip cost of module package is too high; directly paste chip inadequate to the protection of chip; easily cause chip to damage or chip pin short circuit, reduce the reliability that a kind of contact IC smart card is used.A kind of encapsulation of contact IC smart card cover plate generally adopts injection moulding mode, due to heat pressing process, covering antenna on carrier band, be combined dynamics with cover plate base material not strong, cause its peel strength inadequate, and its lead-in wire of antenna that adopts bonding method to install easily forms short circuit with being connected of chip pin, can reduce equally the reliability that a kind of contact IC smart card is used.
Utility model content
Based on this, be necessary a kind of contact IC smart card that provides a kind of dependability high.
A kind of contact IC smart card be by a kind of IC chip package of contact-carrying on PVC card, it comprises flexible PCB and chip, flexible PCB is provided with etching antenna, chip is arranged on flexible PCB and with etching antenna and is electrically connected.
Utilize flexible PCB to replace carrier band, flexible PCB to have that distribution density is high, lightweight, the feature of thin thickness.Chip is arranged on flexible PCB, and on flexible PCB, makes etching antenna and replace stand-alone antenna, makes to treat that chip and etching antenna are electrically connected by corresponding pad.Above-mentioned a kind of contact IC smart card has been realized chip and etching antenna connecting integration, and flexible PCB and etching antenna have certain ductility and resistance to bending, can effectively prevent from being short-circuited between chip and antenna, improve the reliability that a kind of contact IC smart card is used.
Further, flexible PCB is provided with pad, and etching antenna also comprises antenna lead, and chip is provided with chip pin, and antenna lead and pad are directly electrically connected, and chip pin is welded on pad.
Thereby realized integrated that etching antenna, pad connect in chip pin, and chip pin is connected with pad well, effectively prevented from being short-circuited between chip and antenna.
Further, etching antenna is greater than a circle around chip on flexible PCB, has two-sided conductive through hole on flexible PCB, and etching antenna is electrically connected to respectively at described two-sided conductive through hole on the two sides of flexible PCB.
By two-sided conductive through hole, can make etching antenna on flexible PCB around more than a circle, and final realize closed.Prevent that etching antenna from intersecting in same plane, cause line short, improved the reliability that a kind of contact IC smart card is used.Meanwhile, also avoid using wire jumper, saved technique, reduced cost.
Further, a kind of contact IC smart card also comprises cover plate, cover plate packaged chip and flexible PCB.
Chip and etching antenna on cover plate protection flexible PCB are not damaged.
Further, flexible PCB is only provided with in the one side that chip is installed the cover plate that polymkeric substance is made.
The one side that chip is installed at end must not arrange cover plate, saves material, makes a kind of thickness attenuation of contact IC smart card.
Further, a kind of contact IC smart card also comprises protection glue-line, and protection glue-line is between cover plate and chip, and protection glue-line covers chip, chip pin and antenna lead.
On the junction of chip, chip pin and antenna lead, scribble protection glue-line, and be encapsulated, make the junction of chip pin and antenna lead be difficult for throwing off, prevented from being short-circuited between chip and etching antenna.Described protection glue need have certain toughness, can bear uniform temperature, has certain ductility.Herein, protection glue-line can be selected UV glue or RTV silica gel.
Further, a kind of contact IC smart card also comprises packed layer, and packed layer is being protected between glue-line and cover plate, packed layer covering protection glue-line and flexible PCB.
Further, the thickness of packed layer is greater than the thickness of chip.
It is that packed layer plays the effect to pressure buffer, thereby has increased the protection to chip, reduces the disqualification rate of producing a kind of contact IC smart card in order to be reduced in the pressure to chip while cover plate being set on flexible PCB that protection arranges packed layer above glue-line.
Further, a kind of contact IC smart card also comprises a kind of contact IC smart card module of contact.A kind of contact IC smart card is provided with the function that a kind of contact IC smart card module of contact makes an a kind of contact IC smart card not only have the function of a kind of contact IC smart card of contact but also has a kind of contact IC smart card of noncontact.
Accompanying drawing explanation
Fig. 1 is the inner structure schematic diagram of a kind of contact IC smart card of an embodiment;
Fig. 2 is that the chip of a kind of contact IC smart card shown in Fig. 1 is arranged on the schematic diagram on flexible PCB;
Fig. 3 is that the chip of a kind of contact IC smart card shown in Fig. 2 is arranged on the cut-open view on flexible PCB.
Embodiment
For the ease of understanding the utility model, below with reference to relevant attached jail, the utility model is described more fully.In accompanying drawing, provided preferred embodiment of the present utility model.But the utility model can be realized in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is make the disclosure of the present utility model understand more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, can directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology of using are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term using in instructions of the present utility model herein, just in order to describe the object of specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1 and Fig. 2, a kind of contact IC smart card 100 of the present embodiment be by a kind of IC chip package of contact-carrying on PVC card, it comprises flexible PCB 110 and chip 120.Flexible PCB 110 is provided with etching antenna 130.Chip 120 is arranged on flexible PCB 110 on corresponding pad, and with 130 electrical connections of etching sky suede.
Utilize flexible PCB 110 to replace carrier bands, flexible PCB 110 has that distribution density is high, lightweight, the feature of thin thickness.
Refer to Fig. 2, flexible PCB 110 is provided with pad (not shown).Etching antenna 130 is etched on flexible PCB 110, replaces stand-alone antenna.Etching antenna 130 comprises antenna lead (not shown), and antenna lead refers to the part that etching antenna is connected with pad, when manufacturing flexible PCB 110, the pad of antenna lead and chip to be installed 120 is directly electrically connected.
The direct electric company of pad on antenna lead and flexible PCB 110, thereby realized integrated that chip pin is connected with antenna lead, and chip pin is connected with antenna lead well, effectively prevented from opening circuit or short circuit between chip 120 and etching antenna 130.Effectively improved the reliability that a kind of contact IC smart card 100 is used.And flexible PCB 110 and etching antenna 130 have certain ductility and resistance to bending, can effectively prevent from being short-circuited between chip 120 and etching antenna 130, improved the reliability that a kind of contact IC smart card 100 is used.
On flexible PCB 110, also offer two-sided conductive through hole: the first conductive through hole 112 and the second conductive through hole 114.One end of etching antenna 130 and chip pin are directly electrically connected on pad, and etching antenna 130 will be around chip 120 pitch of the laps on flexible PCB 110, and etching antenna 130 is wanted closed connection but can not be intersected.By two-sided conductive through hole, make etching antenna 130 around chip 120, be greater than a circle on flexible PCB 110.Refer to Fig. 3, one end of etching antenna 130 and the first conductive through hole 112 conductings, the other end by with the second conductive through hole 114 conductings, flexible PCB 110 other one and etching antenna 130 by the first conductive through hole 112 and the second conductive through hole 114 conductings, thereby realized etching antenna 130 and around chip 120, be greater than a circle and etching antenna 130 closures on flexible PCB 110, the two ends of etching antenna 130 and chip pin are directly electrically connected.
By two-sided conductive through hole, can make etching antenna 130 be distributed in two planes of flexible PCB 110, etching antenna 130 can be realized closed in another plane of flexible PCB 110.Prevent that etching antenna 130 from intersecting in same plane, cause line short, improved the reliability that a kind of contact IC smart card 100 is used.Meanwhile, also avoid using wire jumper, saved technique, reduced cost.
Refer to Fig. 1, a kind of contact IC smart card 100 also comprises cover plate 140, cover plate 140 packaged chips 120 and flexible PCB 110.Chip 120 and etching antenna 130 on protection flexible PCB 110 are not damaged.
Be appreciated that flexible PCB 110 is for being only provided with in the one side that chip 120 is installed the cover plate that cover plate is made.The one side that chip 120 is not installed must not arrange cover plate, saves material, makes a kind of thickness attenuation of contact IC smart card 100.Be appreciated that cover plate can adopt PVC material or resin material.
A kind of contact IC smart card 100 also comprises protection glue-line 150, and protection glue-line 150 is between chip 120 and cover plate 140, and protection glue-line 150 covers chip 120, chip pin and antenna lead.Between chip 120 and cover plate 140; corner is not on the junction of chip pin and antenna lead, to scribble protection glue-line 150; and be encapsulated, make the junction of chip pin and antenna lead be difficult for throwing off, prevented from being short-circuited between chip 120 and etching antenna 130.Protection glue-line 150 need have certain toughness, can bear uniform temperature, has certain ductility.Herein, protection glue-line 150 can be selected UV glue or RTV silica gel.
Be appreciated that protection glue-line 150 can omit, cover plate 140 directly overlays on chip 120 and flexible PCB 110.
A kind of contact IC smart card 100 also comprises packed layer 160, and packed layer 160 is at cover plate 140 and protect between glue-line 150 packed layer 160 covering protection glue-lines 150 and flexible PCB 110.The thickness of packed layer 160 is greater than the thickness of chip 120.
It is in order to be reduced in the pressure to chip 120 while cover plate 140 being set on flexible PCB 110 that protection glue-line 150 arranges packed layer 160 above; packed layer 160 plays the effect to pressure buffer; thereby increased the protection to chip 120, reduced the disqualification rate of producing a kind of contact IC smart card 100.
Be appreciated that packed layer 160 can omit, the direct packaged chip 120 of cover plate 110.
IC smart card 100 also comprises a kind of contact IC smart card module of contact (not shown), and a kind of contact IC smart card 100 is provided with the function that a kind of contact IC smart card module of contact (not shown) makes an a kind of contact IC smart card not only have the function of a kind of contact IC smart card of contact but also has a kind of contact IC smart card of noncontact.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (2)
- A contact IC smart card be by a kind of IC chip package of contact-carrying on PVC card, it is characterized in that, described a kind of contact IC smart card comprises: flexible PCB, is provided with etching antenna; And chip, be arranged on described flexible PCB and with described etching antenna and be electrically connected.
- 2. a kind of contact IC smart card according to claim 1, it is characterized in that, described flexible PCB is provided with pad, described etching antenna comprises antenna lead, described chip is provided with chip pin, described antenna lead and described pad are directly electrically connected, and described chip pin is welded on described pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530439.6U CN203405841U (en) | 2013-08-29 | 2013-08-29 | Contact type IC intelligent card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530439.6U CN203405841U (en) | 2013-08-29 | 2013-08-29 | Contact type IC intelligent card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203405841U true CN203405841U (en) | 2014-01-22 |
Family
ID=49941765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320530439.6U Expired - Fee Related CN203405841U (en) | 2013-08-29 | 2013-08-29 | Contact type IC intelligent card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203405841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113111993A (en) * | 2021-04-02 | 2021-07-13 | 深圳市旭澜卡科技有限公司 | Visual smart card |
-
2013
- 2013-08-29 CN CN201320530439.6U patent/CN203405841U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113111993A (en) * | 2021-04-02 | 2021-07-13 | 深圳市旭澜卡科技有限公司 | Visual smart card |
| CN113111993B (en) * | 2021-04-02 | 2024-04-19 | 深圳市旭澜卡科技有限公司 | Visual smart card |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20160829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |