WO2011035656A1 - 一种固定智能卡的装置和贴装式弹片 - Google Patents

一种固定智能卡的装置和贴装式弹片 Download PDF

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Publication number
WO2011035656A1
WO2011035656A1 PCT/CN2010/075827 CN2010075827W WO2011035656A1 WO 2011035656 A1 WO2011035656 A1 WO 2011035656A1 CN 2010075827 W CN2010075827 W CN 2010075827W WO 2011035656 A1 WO2011035656 A1 WO 2011035656A1
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Prior art keywords
smart card
elastic piece
bottom wall
contact portion
contact
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PCT/CN2010/075827
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English (en)
French (fr)
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WO2011035656A9 (zh
Inventor
粟超迅
王洪星
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华为终端有限公司
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Publication of WO2011035656A1 publication Critical patent/WO2011035656A1/zh
Publication of WO2011035656A9 publication Critical patent/WO2011035656A9/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit

Definitions

  • the present invention relates to the field of electronic devices, and in particular to a device-mounted elastic piece for fixing a smart card. Background technique
  • a smart card such as a SIM (Subscriber Identity Module) card or a UIM card (User Identity Model) is a GSM (Global System for Mobile Communications), CDMA (Code Division Multiple Access) "Code Division Multiple Access” or other "Wisdom Card” of communication specifications can be plugged into any mobile phone that complies with the GSM or CDMA specifications, and realizes the function of "the phone number is not random with the card”.
  • SIM Subscriber Identity Module
  • UIM User Identity Model
  • the smart card holder is one of the common connection devices in the terminal device.
  • the smart card holder is often used.
  • the conventional design of the industry is as follows: ⁇ Plastic plastic housing 101 is used to fix the pin foot (or pin) 102 of the card holder, and the integral device composed of the plastic housing and the pin foot, It is called a smart card deck.
  • the plastic case 101 can stabilize the entire card holder. Referring to FIG.
  • the contact portions of the upper terminal elastic piece 102a and the lower terminal elastic piece 102b of the pin foot are both arcuate, and can be respectively contacted with the smart card and the PCB main board, and then, by SMT (Surface Mounted Technology), the smart card is used.
  • the mount is mounted on a PCB (Printed Circuit Board) and reflow soldered to form a physical and electrical connection between the smart card holder and the PCB.
  • the smart card holder is generally passed through the groove of the bottom wall of the terminal housing, and the pin is slightly protruded from the bottom wall. Through the guide slots on the side walls of the terminal housing, the smart card can be placed on the smart card holder and in contact with the exposed pins.
  • the terminal housing also has a clamping portion for clamping the smart card to avoid being connected to the pin.
  • Terminal devices currently use smart card holders to connect and secure smart cards.
  • Smart card holders are generally designed and manufactured by specialized card holders. The selection is limited by the shape and type of card holders provided by the manufacturer. The floor area is large, and the height of the deck is fixed, which limits the stack thickness of the whole machine, and the cost is relatively high. Summary of the invention
  • the embodiment of the invention provides a device for fixing the smart card.
  • the technical solution is as follows:
  • a device for fixing a smart card is disposed in a terminal device, the device comprising: a mounted elastic piece and a housing;
  • the mounting type elastic piece includes: a welding portion, a bending portion and a contact portion, wherein the welding portion, the bending portion and the contact portion are integrally connected in series, and the welding portion is a plane;
  • the housing includes: a bottom wall, a side wall and a clamping portion, the side wall being fixed to the bottom wall, the clamping portion for applying a downward pressure to the inserted smart card;
  • the bottom wall is provided with a groove, the mounted elastic piece is placed in the groove, and the contact portion protrudes the bottom wall;
  • the smart card When the smart card is inserted, it is placed in a space formed by the bottom wall, the side wall and the clamping portion, and the contact portion is in contact with the smart card.
  • a mounting type elastic piece is disposed in a device for fixing a smart card of a terminal device, the mounting type elastic piece comprising: a welding portion, a bending portion and a contact portion, the welding portion, the bending portion and the contact The portions are connected in series, and the welded portion is a flat surface.
  • the soldering part of the mounted elastic piece is a flat surface, and the smart card is fastened with the terminal housing, and the smart card is connected with the main board, and also functions as a fixed smart card, and is free from the manufacturer.
  • the limitation on the selection of the smart card deck reduces the footprint of the main board and the stack thickness of the whole machine, and reduces the cost.
  • FIG. 1 is a schematic diagram of a smart card holder provided by the prior art
  • FIG. 2 is a cross-sectional view of a smart card holder provided by the prior art
  • FIG. 3 is a schematic structural view of a U-shaped mounting type elastic piece according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic view showing the connection between the U-type mounting type elastic piece and the main board according to the first embodiment of the present invention
  • FIG. 5 is a schematic structural view of the S-type mounting type elastic piece provided by the first embodiment of the present invention.
  • Figure 6 is a schematic structural view of a housing provided in Embodiment 2 of the present invention.
  • Figure 7 is a schematic structural view of a housing with a barrier provided according to Embodiment 2 of the present invention.
  • FIG. 8 is a schematic structural diagram of an apparatus for fixing a smart card according to Embodiment 2 of the present invention.
  • SIM card holder 101 plastic case, 102 pin foot;
  • the embodiment provides a mounting type elastic piece 20 for connecting the smart card and the PCB main board, and specifically includes: a welding portion 201, a bending portion 202 and a contact portion 203, and the three portions are sequentially connected in one body.
  • the number of mounted springs 20 can be flexibly set, such as setting 6 or 8 etc. See Figure 4.
  • solder paste is pre-set on the pad 401 of the PCB main board 40, and the soldering portion 201 is fixed to the pad 401 on the PCB main board 40 by reflow soldering.
  • the soldering portion 201 is A plane, and the area of the plane is preferably capable of independently supporting the mounted elastic piece 20, and can be firmly fixed to the PCB main board 40 when the contact portion 203 is subjected to the downward pressure of the smart card after welding.
  • the bent portion 202 is a U-shaped (see FIG. 3) or S-shaped (see FIG. 5), and the contact portion 203 can be vertically displaced by the U-shaped bent portion or the S-shaped bent portion connected thereto.
  • the elastic piece 20 has a certain elasticity. Among them, the S type has better elasticity than the U type.
  • the contact portion 203 is configured to contact with a smart card, such as a SIM card, a UIM card, etc., to implement reading and recognizing the smart card information.
  • a smart card such as a SIM card, a UIM card, etc.
  • This embodiment does not limit the specific shape of the contact portion. Preferably, it may be provided with a shape having a certain protrusion to better contact the smart card.
  • the mounting type elastic piece provided in this embodiment has a welded portion which is a flat surface. In addition to being in contact with the PCB main board, it also has the function of stabilizing the entire elastic piece, so that it can replace the traditional smart card holder, thereby eliminating the manufacturer's selection of the smart card card holder.
  • the limitation reduces the footprint of the main board and the stack thickness of the whole machine, and reduces the cost.
  • the embodiment provides a device for fixing a smart card, and specifically includes: a mounted elastic piece 20 and a housing 30.
  • the mounted elastic piece 20 is the same as that of the embodiment 1, and will not be described again.
  • the housing 30 includes: a bottom wall 301, a side wall 302, and a clamping portion 303.
  • the side wall 302 is fixed to the outer edge of the bottom wall 301, and the clamping portion 303 is fixed to the upper surface of the side wall 302, and is laterally
  • the inside of the space enclosed by the wall 302 extends a distance.
  • the smart card can be placed in the space formed by the above three components to serve as a limit.
  • the bottom wall 301 is provided with a recess 301a from which the mounting elastic piece 20 can be placed in the recess 301a through the bottom wall 301, and its contact portion 203 is projected out of the bottom wall 301.
  • a spacer 301b may be disposed in the groove 301a, and the height of the barrier rib 301b is set to be the contact portion of the mounted elastic piece 20.
  • 203 is the lower limit of the up and down shift.
  • a horizontal, two vertical and three ribs are arranged as an example, and the number and position of the ribs can be flexibly set according to actual needs.
  • the groove 301a is divided into six small grooves 301c.
  • the mounted elastic piece 20 is placed in the groove 301c separated by the barrier rib 301b through the bottom wall 301, and the contact portion 203 protrudes from the bottom wall 301.
  • the side wall 302 has a " ⁇ " shape and is fixed to the outer edge of the bottom wall 301, wherein the two sides of the notch Relative to the smart card, it plays a guiding role when pushing the smart card. Correspondingly, when removing the smart card, you can press and hold the smart card along the guide grooves on both sides.
  • the clamping portion 303 can be fixed on the upper surface of the side wall 302 and extend a distance to the inner side of the space enclosed by the side wall 302 for applying downward pressure to the smart card to limit the position, so that the smart card is not easy to fall off. Out.
  • This embodiment does not limit a specific fixed form.
  • a (plastic/plastic or other material) stop with a smart card pressed and defined above the smart card can be called a snap, and is not constrained or limited by the shape and number shown in the drawings.
  • the smart card is connected by using the mounted elastic piece, and the welded portion of the mounted elastic piece is a flat surface, and the smart card is fastened with the housing, and the smart card is connected with the main board, and the smart card is also fixed.
  • the function replaces the connection and fixing method of the traditional smart card holder, frees the manufacturer from the limitation of the smart card deck selection, reduces the floor space of the main board and the stack thickness of the whole machine, and reduces the cost.

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  • Coupling Device And Connection With Printed Circuit (AREA)
  • Telephone Set Structure (AREA)

Description

一种固定智能卡的装置和贴装式弹片 本申请要求于 2009 年 9 月 25 日提交中国专利局、 申请号为 200920223116.6、 发明名称为"一种固定智能卡的装置和贴片式弹片"的中国专利 申请的优先权， 其全部内容通过引用结合在本申请中。 技术领域
本发明涉及电子设备领域， 特别涉及一种固定智能卡的装置贴装式弹片。 背景技术
智能卡， 如 SIM ( Subscriber Identity Module , 客户识别模块）卡或 UIM卡 ( User Identity Model用户识别模块）是一张符合 GSM( Global System for Mobile Communications, 全球移动通信系统 )、 CDMA ( Code Division Multiple Access , 码分多址） 或其他通信规范的 "智慧卡" ， 可以插入任何一部符合 GSM 或 CDMA规范的移动电话中， 实现 "电话号码随卡不随机" 的功能。
智能卡卡座是终端设备中常见的连接器件之一， 目前在实现智能卡与主板 连接时， 常常釆用智能卡卡座。 以 6pin脚 SIM卡座 10为例， 参见图 1 , 业界的 常规设计为： 釆用塑胶外壳 101 固定卡座的 pin脚（或称引脚） 102 , 将塑料外 壳和 pin脚组成的整体器件， 称为智能卡卡座。 其中， 塑胶外壳 101可以稳固整 个卡座。 参见图 2, pin脚的上部端子弹片 102a和下部端子弹片 102b的接触部 均为一弓形， 可以分别与智能卡和 PCB 主板接触， 然后， 通过 SMT ( Surface Mounted Technology, 表面组装技术）， 将智能卡卡座贴装到 PCB ( Printed Circuit Board, 印刷电路板）上， 并进行回流焊接， 使智能卡座最终和 PCB形成物理和 电气的连接。
目前， 终端设备中固定智能卡时， 往往将智能卡卡座整体穿过终端壳体底 壁的凹槽， 并使其引脚略凸露出底壁。 通过终端壳体侧壁的引导槽， 智能卡可 置于智能卡卡座上， 并与凸露出的引脚接触。 一般情况下， 终端壳体还具有一 卡紧部， 用于卡紧智能卡， 避免其与 pin脚虚接。
在实现本发明的过程中， 发明人 发现现有技术至少存在以下问题： 终端设备目前均釆用智能卡卡座来连接和固定智能卡， 而智能卡卡座一般 由专门的卡座厂商设计制作， 选型上受限于厂家所提供的卡座的外形和种类， 在主板上占地面积较大， 卡座高度一定， 限制了整机堆叠厚度， 并且成本比较 高。 发明内容
为了摆脱厂家对智能卡卡座选型的限制， 减小占地面积和整机堆叠厚度， 并且降低成本， 本发明实施例提供了一种固定智能卡的装置。 所述技术方案如 下：
一种固定智能卡的装置， 设置于终端设备中， 所述装置包括： 贴装式弹片 和壳体；
所述贴装式弹片包括： 焊接部、 弯折部和接触部， 所述焊接部、 所述弯折 部和所述接触部顺序连接为一体， 所述焊接部为一平面；
所述壳体包括： 底壁、 侧壁和卡紧部， 所述侧壁与所述底壁固定， 所述卡 紧部用于向插入的所述智能卡施加向下的压力；
所述底壁设有凹槽， 所述贴装式弹片置于所述凹槽中， 所述接触部凸露出 所述底壁；
所述智能卡插入时， 置于所述底壁、 所述侧壁和所述卡紧部形成的空间之 内， 所述接触部与所述智能卡接触。
一种贴装式弹片， 设置于终端设备的固定智能卡的装置中， 所述贴装式弹 片包括： 焊接部、 弯折部和接触部， 所述焊接部、 所述弯折部和所述接触部顺 序连接为一体， 所述焊接部为一平面。
通过使用贴装式弹片连接智能卡， 该贴装式弹片的焊接部为一平面， 并配 合终端壳体紧固智能卡， 在实现智能卡与主板连接的同时， 还起到了固定智能 卡的作用， 摆脱了厂家对智能卡卡座选型的限制， 减小了在主板的占地面积和 整机堆叠厚度， 并且降低了成本。 附图说明
为了更清楚地说明本发明实施例 的技术方案， 下面将对实施例中使用的附 图作一简单地介绍， 显而易见地， 下面所列附图仅仅是本发明的一些实施例， 对于本领域普通技术人员来讲， 在不付出创造性劳动的前提下， 还可以根据这 些附图获得其他的附图。
图 1是现有技术提供的智能卡卡座的示意图；
图 2是现有技术提供的智能卡卡座剖面图；
图 3是本发明实施例 1提供的 U型贴装式弹片的结构示意图；
图 4是本发明实施例 1提供的 U型贴装式弹片与主板连接示意图； 图 5是本发明实施例 1提供的 S型贴装式弹片的结构示意图；
图 6是本发明实施例 2提供的壳体的结构示意图；
图 7是本发明实施例 2提供的带隔筋的壳体的结构示意图；
图 8是本发明实施例 2提供的固定智能卡的装置的结构示意图。
附图中， 各标号所代表的组件列表如下：
10 SIM卡座， 101 塑胶外壳， 102 pin脚；
102a上部端子弹片， 102b 下部端子弹片；
20贴装式弹片， 201焊接部， 202弯折部， 203接触部；
30壳体， 301底壁， 302侧壁， 303卡紧部；
301a凹槽， 301b隔筋， 301c凹槽；
40主板， 401焊盘。 具体实施方式
为使本发明的目的、 技术方案和优点更加清楚， 下面将结合附图对本发明 实施方式作进一步地详细描述。
实施例 1
参见图 3 , 本实施例提供了一种贴装式弹片 20, 用于连接智能卡与 PCB主 板， 具体包括： 焊接部 201、 弯折部 202和接触部 203, 三部分顺序连接为一体。 根据实际引脚的需要， 可灵活设置贴装式弹片 20的个数， 如设置 6个或 8个等， 参见图 4。
本实施例的一种实现工艺为， 在 PCB主板 40的焊盘 401上预置锡膏， 焊接 部 201通过回流焊接固定于 PCB主板 40上的焊盘 401。 优选的， 焊接部 201为 一平面， 且该平面的面积以能够独立支撑贴装式弹片 20为佳， 焊接后在接触 部 203承受智能卡向下的压力时， 能够稳固的固定于 PCB主板 40上。
弯折部 202为一 U型（参见图 3 )或 S型（参见图 5 ) , 接触部 203通过与 其相连的 U型弯折部或 S型弯折部， 可以进行上下移位， 使贴装式弹片 20具有 一定的弹性。 其中， S型相对于 U型， 具有更好的弹性。
接触部 203 , 用于与智能卡， 如 SIM卡、 UIM卡等接触， 从而实现智能卡 信息的读取和识别。 本实施例并不限定接触部的具体形状， 优选的， 可将其设 置为具有一定突起的形状， 以更好的与智能卡接触。
本实施例提供的贴装式弹片， 其焊接部为一平面， 除了与 PCB主板接触， 还具有稳固整个弹片的作用， 因此可以替代传统的智能卡卡座， 从而摆脱了厂 家对智能卡卡座选型的限制， 减小了在主板的占地面积和整机堆叠厚度， 并且 降低了成本。 实施例 2
本实施例提供了一种固定智能卡的装置， 具体包括： 贴装式弹片 20和壳体 30。 其中， 贴装式弹片 20与实施例 1相同， 这里不再赘述。
参见图 6, 壳体 30包括： 底壁 301、 侧壁 302和卡紧部 303 , 侧壁 302与底 壁 301的外沿固定， 卡紧部 303固定于侧壁 302的上表面， 并向侧壁 302所围 空间的内侧延伸出一段距离。 将智能卡置于上述三组件所形成的空间之内， 可 起到限位作用。
底壁 301设有凹槽 301a, 贴装式弹片 20可以从中穿过底壁 301置于凹槽 301a中， 并将其接触部 203凸露出底壁 301。 进一步的， 为了限制智能卡下压 的程度， 以免损坏贴装式弹片 20, 参见图 7, 可以在凹槽 301a中设置隔筋 301b, 并设置隔筋 301b的高度为贴装式弹片 20的接触部 203进行上下移位的下限。 本实施例以设置一横两纵三条隔筋为例说明， 根据实际需要可以灵活设置隔筋 的数量和位置。 本实施例设置隔筋后将凹槽 301a分隔为六个小凹槽 301c。 参见 图 8, 贴装式弹片 20穿过底壁 301置于隔筋 301b分隔后的凹槽 301c中， 接触 部 203凸露出底壁 301。
侧壁 302为 "Π" 形， 并与底壁 301的外沿固定， 其中， 缺口处的两侧壁 相对于智能卡较长， 在推入智能卡时， 起到引导作用。 相应的， 取出智能卡时， 可以按住智能卡沿两侧的引导槽向外拖出。
卡紧部 303, 可以固定于侧壁 302的上表面， 并向侧壁 302所围空间的内侧 延伸出一段距离， 用于向智能卡施加向下的压力， 起到限位作用， 使智能卡不 易掉出。 本实施例并不限定具体的固定形式。 例如， 在智能卡上方具有压住和 限定智能卡的 （塑料 /塑胶或其他材质）挡块都可以叫卡紧部， 并不受附图所示 形状和数量的约束和限制。
本实施例提供的装置， 通过使用贴装式弹片连接智能卡， 贴装式弹片的焊 接部为一平面， 并配合壳体紧固智能卡， 在实现智能卡与主板连接的同时， 还 起到了固定智能卡的作用， 替代了传统智能卡卡座的连接和固定方式， 摆脱了 厂家对智能卡卡座选型的限制， 减小了在主板的占地面积和整机堆叠厚度， 并 且降低了成本。 以上所述仅为本发明的较佳实施例， 并不用以限制本发明， 凡在本发明的 精神和原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的 保护范围之内。

Claims

权 利 要求
1、 一种固定智能卡的装置， 设置于终端设备中， 其特征在于， 所述装置包 括： 贴装式弹片和壳体；
所述贴装式弹片包括： 焊接部、 弯折部和接触部， 所述焊接部、 所述弯折 部和所述接触部顺序连接为一体， 所述焊接部为一平面；
所述壳体包括： 底壁、 侧壁和卡紧部， 所述侧壁与所述底壁固定， 所述卡 紧部用于向插入的智能卡施加向下的压力；
所述底壁设有凹槽， 所述贴装式弹片置于所述凹槽中， 所述接触部凸露出 所述底壁；
所述智能卡插入时， 置于所述底壁、 所述侧壁和所述卡紧部形成的空间之 内， 所述接触部与所述智能卡接触。
2、如权利要求 1所述的装置，其特征在于， 所述底壁为所述终端设备的 PCB 板， 所述焊接部固定于所述 PCB主板的焊盘上。
3、如权利要求 1所述的装置，其特征在于，所述底壁与所述终端设备的 PCB 板固定连接， 所述焊接部通过所述底壁上的孔固定于所述 PCB板的焊盘上。
4、 如权利要求 2或 3所述的装置， 其特征在于， 所述弯折部为一 U型， 所 述接触部通过与其相连的所述 U型弯折部， 可上下移位。
5、 如权利要求 2或 3所述的装置， 其特征在于， 所述弯折部为一 S型， 所 述接触部通过与其相连的所述 S型弯折部， 可上下移位。
6、 如权利要求 4所述的装置， 其特征在于， 所述凹槽中设有隔筋， 所述隔 筋的高度为所述接触部进行上下移位的下限， 所述贴装式弹片置于所述隔筋分 隔后的 IHJ槽中。
7、 如权利要求 5所述的装置， 其特征在于， 所述凹槽中设有隔筋， 所述隔 筋的高度为所述接触部进行上下移位的下限， 所述贴装式弹片置于所述隔筋分 隔后的凹槽中。
8、 如权利要求 1所述的装置， 其特征在于， 所述卡紧部固定于所述侧壁的 上表面， 并向所述侧壁所围空间的内侧延伸出一段距离。
9、 一种贴装式弹片， 设置于终端设备的固定智能卡的装置中，其特征在于, 所述贴装式弹片包括： 焊接部、 弯折部和接触部， 所述焊接部、 所述弯折部和 所述接触部顺序连接为一体， 所述焊接部为一平面。
10、 如权利要求 9所述的贴装式弹片， 其特征在于， 所述焊接部固定于所 述终端设备的 PCB主板的焊盘上。
11、 如权利要求 9所述的贴装式弹片， 其特征在于， 所述弯折部为一 U型， 所述接触部通过与其相连的所述 U型弯折部， 可上下移位。
12、 如权利要求 9所述的贴装式弹片， 其特征在于， 所述弯折部为一 S型， 所述接触部通过与其相连的所述 S型弯折部， 可上下移位。
PCT/CN2010/075827 2009-09-25 2010-08-10 一种固定智能卡的装置和贴装式弹片 WO2011035656A1 (zh)

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