JPH01234296A - Ic card - Google Patents
Ic cardInfo
- Publication number
- JPH01234296A JPH01234296A JP63060864A JP6086488A JPH01234296A JP H01234296 A JPH01234296 A JP H01234296A JP 63060864 A JP63060864 A JP 63060864A JP 6086488 A JP6086488 A JP 6086488A JP H01234296 A JPH01234296 A JP H01234296A
- Authority
- JP
- Japan
- Prior art keywords
- chip
- card
- flexible printed
- printed circuit
- board
- Prior art date
- 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.)
- Granted
Links
- 239000011347 resin Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000011111 cardboard Substances 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000000758 substrate Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
Landscapes
- Credit Cards Or The Like (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
- Lead Frames For Integrated Circuits (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はICカードに関し、特にICチップを内蔵し表
面に外部接続用端子を備えたICカードに関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to an IC card, and particularly to an IC card having a built-in IC chip and external connection terminals on its surface.
従来、この種のICカードは、集積回路チップ(以下I
Cチップという)を、外部接続用端子を備えたモジュー
ルに搭載し、このモジュールをカード基板内に組込でい
た。Conventionally, this type of IC card has an integrated circuit chip (hereinafter referred to as I).
C chip) was mounted on a module equipped with external connection terminals, and this module was incorporated into the card board.
次に、図面を参照して従来のICカードの一例を説明す
る。Next, an example of a conventional IC card will be described with reference to the drawings.
第5図はカード基板内に組込まれるモジュールの断面図
である。FIG. 5 is a sectional view of the module incorporated into the card board.
ICチップ2は、モジュール基板71に形成された窪み
にマウントされ、この窪みの内部に設けられたボンディ
ング用端子52aとICチップ2の電極とが金属細線3
によって接続される。The IC chip 2 is mounted in a recess formed in the module substrate 71, and the bonding terminal 52a provided inside the recess and the electrode of the IC chip 2 are connected to the thin metal wire 3.
connected by.
モジュール基板71の裏面には外部接続端子51aが配
置されており、この外部接続端子51aはスルーホール
72によってボンディング用端子52aと接続されてい
る。An external connection terminal 51a is arranged on the back surface of the module board 71, and this external connection terminal 51a is connected to a bonding terminal 52a through a through hole 72.
そしてこの窪みが封止樹脂部73により埋められ、IC
チップ2等がモジュール基板71内に封じ込められた構
造となっている。Then, this depression is filled with the sealing resin part 73, and the IC
It has a structure in which the chip 2 and the like are sealed within the module substrate 71.
第6図(a)、(b)はこのモジュール7をカード基板
la内に組込んだ従来のICカードの一例を示す平面図
及び断面図である。FIGS. 6(a) and 6(b) are a plan view and a sectional view showing an example of a conventional IC card in which this module 7 is incorporated into a card board la.
第6図において、モジュール7は第5図に示された状態
に対し、上下を逆にした状態でカード基板la中に組込
まれている。In FIG. 6, the module 7 is assembled into the card board la in an upside-down state compared to the state shown in FIG.
このモジュール7は、外部接続端子51aがカード基板
1aの表面とほぼ同一面になるように、カード基板1a
に窪みが設けられ、この窪みの中に組込まれる構造とな
っている。This module 7 is installed on the card board 1a so that the external connection terminal 51a is on the same surface as the card board 1a.
A recess is provided in the recess, and the structure is such that it is incorporated into the recess.
上述した従来のICカードは、ICチップ2を1旦モジ
ュール7に搭載し、このモジュール7をカード基板1a
内に組込むという二重構造となっているので、モジュー
ル7をカード基板1aに隙間なく組込むためには高い技
術力が必要であり、かつカード基板1aに内蔵するには
超薄型のモジュールとしなければならないためコストが
高くなるという欠点がある。In the conventional IC card described above, the IC chip 2 is once mounted on the module 7, and this module 7 is mounted on the card substrate 1a.
Since it has a double structure in which the module 7 is built into the card board 1a, high technical skills are required to integrate the module 7 into the card board 1a without any gaps, and the module must be ultra-thin to be built into the card board 1a. The disadvantage is that the cost is high because it has to be carried out.
本発明の目的は、高い技術力がなくても容易にカード基
板の隙間を除去することができ、かつ超薄型のモジュー
ルを使用しなくて済み、コストを低減することができる
ICカードを提供することにある。An object of the present invention is to provide an IC card that can easily remove gaps between card boards without requiring advanced technical skills, eliminates the need for ultra-thin modules, and reduces costs. It's about doing.
本発明のICカードは、所定の機能をもつICチップと
、このICチップの各電極とそれぞれ対応して接続する
ための複数のボンディング用端子とこれら各ボンディン
グ用端子とそれぞれ対応して接続する複数の外部接続端
子とを備えたフレキシブルプリント基板と、前記ICカ
ードを搭載固定すると共にこのICチップと隣接して前
記フレキシブルプリント基板のボンディング用端子側を
固定する窪みを備えたカード基板と、前記ICチップの
各電極と前記フレキシブルプリント基板の各ボンディン
グ用端子とをそれぞれ対応して接続する金属細線と、表
面が前記カード基板の表面とほぼ同一面となるように前
記カード基板の窪みを埋めて前記ICチップ、フレキシ
ブルプリント基板の一部及び各金属細線を封入し、表面
に前記各外部接続端子の表面が外側になるように前記フ
レキシブルプリント基板を固定しな封止樹脂部とを有し
ている。The IC card of the present invention includes an IC chip having a predetermined function, a plurality of bonding terminals for connecting to each electrode of the IC chip in a corresponding manner, and a plurality of bonding terminals for connecting to each of the bonding terminals in a corresponding manner. a flexible printed circuit board having an external connection terminal; a card board having a recess for mounting and fixing the IC card and fixing a bonding terminal side of the flexible printed circuit board adjacent to the IC chip; Thin metal wires respectively connect each electrode of the chip and each bonding terminal of the flexible printed circuit board, and fill the recess of the card board so that the surface thereof is substantially flush with the surface of the card board. The IC chip, a part of the flexible printed circuit board, and each thin metal wire are encapsulated, and the flexible printed circuit board is fixed to the surface so that the surface of each external connection terminal is on the outside. .
次に、本発明の実施例について図面を参照して説明する
。Next, embodiments of the present invention will be described with reference to the drawings.
第1図(a)、(b)はそれぞれ本発明の第1の実施例
を示す平面図及びA−A’断面図である。FIGS. 1(a) and 1(b) are a plan view and a sectional view taken along the line AA', respectively, showing a first embodiment of the present invention.
カード基板1には、所定の機能をもつICチップ2を搭
載固定すると共に、このICチップ2の各電極とそれぞ
れ対応して接続するための複数のボンディング用端子5
2とこれらボンディング用端子52とそれぞれ対応して
接続する複数の外部接続端子51とを備えたフレキシブ
ルプリント基板5のボンディング用端子52側をICチ
ップ2と隣接して固定する窪みが設けられている。An IC chip 2 having a predetermined function is mounted and fixed on the card board 1, and a plurality of bonding terminals 5 are connected to each electrode of the IC chip 2 in a corresponding manner.
2 and a plurality of external connection terminals 51 connected to these bonding terminals 52 in correspondence with each other, a recess is provided for fixing the bonding terminal 52 side of the flexible printed circuit board 5 adjacent to the IC chip 2. .
このカード基板1の窪みに、ICチップ2を搭載固定し
、またフレキシブルプリント基板5のボンディング用端
子52側を固定して、ICチップ2の各電極とフレキシ
ブルプリント基板5の各ボンディング用端子52とをそ
れぞれ対応して金属細線3により接続する。The IC chip 2 is mounted and fixed in the recess of the card board 1, and the bonding terminal 52 side of the flexible printed circuit board 5 is fixed, so that each electrode of the IC chip 2 and each bonding terminal 52 of the flexible printed circuit board 5 are connected. are connected by corresponding thin metal wires 3.
次に、カード基板lの窪みを、表面がカード基板1の表
面とほぼ同一面になるように樹脂で埋め、ICカード2
.フレキシブルプリント基板5の一部及び各金属細線3
を封入して封止樹脂部4を形成する。Next, the recess of the card board l is filled with resin so that the surface is almost flush with the surface of the card board 1, and the IC card 2 is filled with resin.
.. Part of the flexible printed circuit board 5 and each thin metal wire 3
is sealed to form the sealing resin part 4.
この封止樹脂部4とカード基板1との表面から突出した
フレキシブルプリント基板5は、これら表面のところで
内側へ折曲げられ、外部接続端子51の表面を外側にし
て封止樹脂部4の表面に接着固定される。The flexible printed circuit board 5 protruding from the surfaces of the sealing resin part 4 and the card board 1 is bent inward at these surfaces, and is attached to the surface of the sealing resin part 4 with the surface of the external connection terminal 51 outside. Fixed with adhesive.
そして、フレキシブルプリント基板5を除くカード基板
1及び封止樹脂部4の表面にカバーシート6を貼付けて
完成する構造となっている。Then, the structure is completed by pasting the cover sheet 6 on the surfaces of the card board 1 and the sealing resin part 4, excluding the flexible printed circuit board 5.
第2図は上記実施例に使用されるフレキシブルプリント
基板5の平面図及びB−B’断面図である。FIG. 2 is a plan view and a BB' cross-sectional view of the flexible printed circuit board 5 used in the above embodiment.
このフレキシブルプリント基板5は、両端がそれぞれ外
部接続端子51及びボンディング用端子52となる接続
銅箔54を複数枚、薄い絶縁樹脂53内に埋込み、この
絶縁樹脂53の外部接続端子51及びボンディング用端
子52の部分をエツチングして接続銅箔54を露出させ
、この露出した部分をそれぞれ外部接続端子51及びボ
ンディング用端子52とした構造となっている。This flexible printed circuit board 5 has a plurality of connecting copper foils 54 whose ends serve as external connection terminals 51 and bonding terminals 52, respectively, embedded in a thin insulating resin 53, and the external connection terminals 51 and bonding terminals of the insulating resin 53 The connection copper foil 54 is exposed by etching a portion 52, and the exposed portions are used as an external connection terminal 51 and a bonding terminal 52, respectively.
第2図(a)のc−c’線の右側の裏面がカード基板1
に接着固定されてこのc−c’線で上方に折曲げられ、
更にD−D’線で内側に折曲げられて外部接続端子51
の表面が外側に露出するようになっている。The back side on the right side of the c-c' line in Fig. 2 (a) is the card board 1.
is fixed with adhesive and bent upward along this c-c' line,
Furthermore, the external connection terminal 51 is bent inward at the D-D' line.
The surface is exposed to the outside.
第3図は、上記実施例の製造時の中間工程における断面
図である。FIG. 3 is a sectional view at an intermediate step in manufacturing the above embodiment.
この断面図は、封止樹脂部4を形成する前の工程のもの
である。This cross-sectional view shows a step before forming the sealing resin part 4.
このように、カード基板1の窪みが樹脂により埋められ
るので、高い技術力がなくても容易にカード基板1の隙
間を埋めることができる。In this way, since the recesses of the card substrate 1 are filled with the resin, the gaps in the card substrate 1 can be easily filled even without high technical ability.
第4図(a)、(b)はそれぞれ本発明の第2の実施例
に適用されるフレキシブルプリント基板の平面図及びE
−E’断面図である。FIGS. 4(a) and 4(b) are a plan view and E of a flexible printed circuit board applied to the second embodiment of the present invention, respectively.
-E' sectional view.
この実施例のフレキシブルプリント基板5Aが第1の実
施例のフレキシブルプリント基板5と相違する点は、第
1の実施例においてはフレキシブルプリント基板5を2
枚必要としたのに対し、第2の実施例ではフレキシブル
プリント基板5A−枚で済むようにした点である。The flexible printed circuit board 5A of this embodiment is different from the flexible printed circuit board 5 of the first embodiment in that the flexible printed circuit board 5A of the first embodiment is different from the flexible printed circuit board 5A of the first embodiment.
The second embodiment requires only 5A flexible printed circuit boards, whereas the second embodiment requires only 5A flexible printed circuit boards.
従って加工工数等が更に低減される。Therefore, the number of processing steps and the like can be further reduced.
以上説明したように本発明は、ICチップをカード基板
の窪みに直接搭載し、フレキシブルプリント基板に外部
接続端子を形成してICチップの電極と接続してICチ
ップ等を樹脂封止する構造とすることにより、高い技術
力がなくても容易にカード基板の隙間を埋めることがで
き、かつ従来のように超薄型のモジュールを使用しなく
ても済むので、コストを低減することができる効果があ
る。As explained above, the present invention has a structure in which an IC chip is directly mounted in a recess of a card substrate, external connection terminals are formed on a flexible printed circuit board, and connected to electrodes of the IC chip, and the IC chip and the like are sealed with resin. By doing so, it is possible to easily fill the gaps in the card board without having high technical skills, and there is no need to use ultra-thin modules as in the past, which has the effect of reducing costs. There is.
第1図(a)、(b)はそれぞれ本発明の第1の実施例
を示す平面図及び断面図、第2図(a)、(b)はそれ
ぞれ第1図に示された実施例に使用されるフレキシブル
プリント基板の平面図及び断面図、第3図は第1図に示
された実施例の中間工程における断面図、第4図(a)
、(b)はそれぞれ本発明の第2の実施例に使用される
フレキシブルプリント基板の平面図及び断面図、第5図
は従来のICカードに使用されるモジュールの断面図、
第6図(a>、(b)はそれぞれ従来のICカードの一
例を示す平面図及び断面図である。
1.1a・・・カード基板、2・・・ICチップ、3・
・・金属細線、4・・・封止樹脂部、5,5A・・・フ
レキシブルプリント基板、6,6a・・・カバーシート
、7・・・モジュール、51.51A、51a・・・外
部接続端子、52 、52 A 、 52 a・・・ボ
ンディング用端子、53.’53A・・・絶縁樹脂、5
4.54A・・・接続銅箔、55・・・チップ搭載用穴
、71・・・モジュール基板、72・・・スルーホール
、73・・・封止樹脂部。
代理人 弁理士 内 原 音
第 2 図
第4図
第 5図
第 6 図FIGS. 1(a) and (b) are a plan view and a cross-sectional view, respectively, showing the first embodiment of the present invention, and FIGS. 2(a) and (b) are respectively showing the embodiment shown in FIG. A plan view and a sectional view of the flexible printed circuit board used, FIG. 3 is a sectional view at an intermediate step of the embodiment shown in FIG. 1, and FIG. 4(a)
, (b) are respectively a plan view and a sectional view of a flexible printed circuit board used in the second embodiment of the present invention, and FIG. 5 is a sectional view of a module used in a conventional IC card.
6(a) and (b) are a plan view and a cross-sectional view, respectively, showing an example of a conventional IC card. 1.1a...Card board, 2...IC chip, 3.
...Metal thin wire, 4...Sealing resin part, 5,5A...Flexible printed circuit board, 6,6a...Cover sheet, 7...Module, 51.51A, 51a...External connection terminal , 52 , 52 A , 52 a... bonding terminal, 53. '53A...Insulating resin, 5
4.54A... Connection copper foil, 55... Chip mounting hole, 71... Module board, 72... Through hole, 73... Sealing resin part. Agent Patent Attorney Uchihara Oto No. 2 Figure 4 Figure 5 Figure 6
Claims (1)
電極とそれぞれ対応して接続するための複数のボンディ
ング用端子とこれら各ボンディング用端子とそれぞれ対
応して接続する複数の外部接続端子とを備えたフレキシ
ブルプリント基板と、前記ICカードを搭載固定すると
共にこのICチップと隣接して前記フレキシブルプリン
ト基板のボンディング用端子側を固定する窪みを備えた
カード基板と、前記ICチップの各電極と前記フレキシ
ブルプリント基板の各ボンディング用端子とをそれぞれ
対応して接続する金属細線と、表面が前記カード基板の
表面とほぼ同一面となるように前記カード基板の窪みを
埋めて前記ICチップ、フレキシブルプリント基板の一
部及び各金属細線を封入し、表面に前記各外部接続端子
の表面が外側になるように前記フレキシブルプリント基
板を固定した封止樹脂部とを有することを特徴とするI
Cカード。The device includes an IC chip having a predetermined function, a plurality of bonding terminals for connecting to each electrode of the IC chip, and a plurality of external connection terminals for connecting to each of the bonding terminals, respectively. a card board having a recess for mounting and fixing the IC card and fixing the bonding terminal side of the flexible printed circuit board adjacent to the IC chip; each electrode of the IC chip and the flexible printed circuit board; Thin metal wires are connected to the bonding terminals of the printed circuit board in correspondence with each other, and the recesses of the card board are filled so that the surfaces thereof are almost flush with the surface of the card board. I characterized in that it has a sealing resin part in which a part and each thin metal wire are encapsulated, and the flexible printed circuit board is fixed to the surface so that the surface of each of the external connection terminals is on the outside.
C card.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63060864A JP2661115B2 (en) | 1988-03-14 | 1988-03-14 | IC card |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63060864A JP2661115B2 (en) | 1988-03-14 | 1988-03-14 | IC card |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01234296A true JPH01234296A (en) | 1989-09-19 |
JP2661115B2 JP2661115B2 (en) | 1997-10-08 |
Family
ID=13154682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63060864A Expired - Lifetime JP2661115B2 (en) | 1988-03-14 | 1988-03-14 | IC card |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2661115B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996007985A1 (en) * | 1994-09-09 | 1996-03-14 | International Business Machines Corporation | Radio frequency circuit and memory in thin flexible package |
US5786626A (en) * | 1996-03-25 | 1998-07-28 | Ibm Corporation | Thin radio frequency transponder with leadframe antenna structure |
US8076015B2 (en) | 2003-02-11 | 2011-12-13 | Eveready Battery Company, Inc. | Battery cell with improved pressure relief vent |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61139894A (en) * | 1984-12-13 | 1986-06-27 | Matsushita Electric Ind Co Ltd | Id card and its manufacture |
-
1988
- 1988-03-14 JP JP63060864A patent/JP2661115B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61139894A (en) * | 1984-12-13 | 1986-06-27 | Matsushita Electric Ind Co Ltd | Id card and its manufacture |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996007985A1 (en) * | 1994-09-09 | 1996-03-14 | International Business Machines Corporation | Radio frequency circuit and memory in thin flexible package |
US5528222A (en) * | 1994-09-09 | 1996-06-18 | International Business Machines Corporation | Radio frequency circuit and memory in thin flexible package |
EP0855675A3 (en) * | 1994-09-09 | 2000-11-15 | International Business Machines Corporation | Radio frequency circuit and memory in thin flexible package |
US5786626A (en) * | 1996-03-25 | 1998-07-28 | Ibm Corporation | Thin radio frequency transponder with leadframe antenna structure |
US8076015B2 (en) | 2003-02-11 | 2011-12-13 | Eveready Battery Company, Inc. | Battery cell with improved pressure relief vent |
Also Published As
Publication number | Publication date |
---|---|
JP2661115B2 (en) | 1997-10-08 |
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