CN101131940A - 在sop封装线上实现多芯片、被动元件封装的工艺 - Google Patents

在sop封装线上实现多芯片、被动元件封装的工艺 Download PDF

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Publication number
CN101131940A
CN101131940A CN 200710077100 CN200710077100A CN101131940A CN 101131940 A CN101131940 A CN 101131940A CN 200710077100 CN200710077100 CN 200710077100 CN 200710077100 A CN200710077100 A CN 200710077100A CN 101131940 A CN101131940 A CN 101131940A
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Prior art keywords
sop
chip
packaging
technology
conductive silver
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CN 200710077100
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朱军山
蓝记粧
伍升平
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GUANGZHOU YUEJING HIGH TECHNOLOGY Co Ltd
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GUANGZHOU YUEJING HIGH TECHNOLOGY Co Ltd
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Priority to CN 200710077100 priority Critical patent/CN101131940A/zh
Publication of CN101131940A publication Critical patent/CN101131940A/zh
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means 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
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/481Disposition
    • H01L2224/48151Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
    • H01L2224/48221Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
    • H01L2224/48245Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
    • H01L2224/48247Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means 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
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/49Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
    • H01L2224/491Disposition
    • H01L2224/4912Layout
    • H01L2224/49171Fan-out arrangements

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  • Die Bonding (AREA)
  • Packaging Frangible Articles (AREA)

Abstract

本发明涉及一种在SOP封装线上实现多芯片、被动元件的封装工艺。用SOP的框架实现多芯片、被动元件组合的SiP(系统级)的封装工艺。包括:将贴片电阻与辅助芯片使用导电银胶粘合在引线框架上;被动元件使用导电银胶焊接在引线框架的两个焊点上;在SOP封装体内,将多芯片、辅助芯片和若干个被动元器件封装其内;进行老化及表面处理;打印。

Description

在SOP封装线上实现多芯片、被动元件封装的工艺
技术领域
本发明涉及一种IC封装及先进的布线、优化焊线工艺,尤其涉及一种在SOP封装线上实现多芯片、被动元件的封装工艺。
背景技术
随着电子技术的飞速发展,芯片的封装技术也在不断革新。新型封装技术(CSP、Flip Chip)与基板技术的发展,导致了SiP重新成为开发的热点。SiP是通过一个封装来完成一个系统目标产品的全部连接以及功能和性能。作为一个“系统”,其内部包括数字的、模拟的、射频的、宽带通讯的、甚至微机电和光电器件或包括从传感器接受、控制到驱动输出执行全过程。
SiP的优异性能与其复杂的制作工艺是分不开的。SiP集合了当今封装行业的许多尖端技术,包括芯片堆叠、内部互连、多层基板、散热器等等。目前主要采用BGA封装形式来实现系统级(SiP)的封装技术,BGA封装要求制作特殊的PCB板,在目前现有的生产条件下,生产效率比较低,同时也缺乏通用性和增加制造成本,在一定程度上制约系统级(SiP)的封装技术全方面的快速发展。
发明内容
本发明的目的在于克服上述现有技术的不足之处,提供一种用SOP24封装实现的SiP封装技术,具有与SOP24完全兼容,能在不改变生产线设备的基础上,实现SiP封装,使封装的体积大大缩小,电路板的面积随之缩小,节省封装材料并提高电路的可靠性,从而避开通常SiP封装所必需的基板设计,制造技术,使用SOP的框架即可实现多芯片、被动元件组合的SiP的封装工艺。
本发明的目的可以通过以下措施来达到:
这种在SOP封装线上实现多芯片、被动元件的封装工艺,其特殊之处在于:它包括下列工艺:
(1)将贴片电阻与辅助芯片使用导电银胶粘合在引线框架上;
(2)被动元件使用导电银胶焊接在引线框架的两个焊点上;
(3)在SOP封装体内,将多芯片、辅助芯片和若干个被动元器件封装其内;
(4)进行老化及表面处理;
(5)打印。
本发明的目的可以通过以下措施来达到:
所述步骤(1)的贴片电阻使用导电银胶粘合引线框架与辅助芯片使用导电银胶粘合引线框架步骤之间加入烘干步骤。
所述步骤(1)与步骤(2)之间加入烘干步骤。
所述银浆点定位置A与电阻、辅助芯片的放置位置B的最佳尺寸是A=0.00625英寸,B=0.011英寸。
本发明相比现有技术具有如下优点:
1、该工艺与SOP完全兼容,能在不改变生产线设备的基础上,实现SiP封装。
2、依该工艺制作出来的器件,在原有面积上提高了系统的集成度,而且集成了数字信号器件与模拟信号器件,既有主动器件也有被动器件,并且具有信号控制与外部驱动功能,不但体现出SiP系统封装的特点,也能降低制作难度和设备要求。
附图说明
图1是本发明中电阻与引线框架的连接以及辅助芯片焊接在引线框架上的连接示意图。
图2是本发明中银浆点定位置与电阻、辅助芯片放置位置示意图。
图3是本发明SiP芯片布置示意图。
具体实施方式
本发明下面将结合附图作进一步详述:
在SOP封装线上实现多芯片、被动元件的封装工艺,包括下列工艺:
(1)将贴片电阻使用导电银胶粘合引线框架上;
(2)烘干,使其固定牢固;
(3)辅助芯片使用导电银胶粘合在引线框架上;
(4)烘干,使其固定牢固;
(5)被动元件使用导电银胶焊接在引线框架的两个焊点上;
(6)在SOP封装体内,将多芯片、辅助芯片和若干个被动元器件封装其内,所述银浆点定位置A与电阻、辅助芯片的放置位置B的最佳尺寸是A=0.00625英寸,B=0.011英寸;
(7)进行老化及表面处理;
(8)打印;
(9)测试。
以上所述仅为本发明的较佳实施例,凡依本发明权利要求范围所做的均等变化与修饰,皆应属本发明权利要求的涵盖范围。

Claims (4)

1.一种在SOP封装线上实现多芯片、被动元件的封装工艺,其特征在于:它包括下列工艺:
(1)将贴片电阻与辅助芯片使用导电银胶粘合在引线框架上;
(2)被动元件使用导电银胶焊接在引线框架的两个焊点上;
(3)在SOP封装体内,将多芯片、辅助芯片和若干个被动元器件封装其内;
(4)进行老化及表面处理;
(5)打印。
2.根据权利要求1所述在SOP封装线上实现多芯片、被动元件的封装工艺,其特征在于:所述步骤(1)的贴片电阻使用导电银胶粘合引线框架与辅助芯片使用导电银胶粘合引线框架步骤之间加入烘干步骤。
3.根据权利要求1所述在SOP封装线上实现多芯片、被动元件的封装工艺,其特征在于:所述步骤(1)与步骤(2)之间加入烘干步骤。
4.根据权利要求1所述的在SOP封装线上实现多芯片、被动元件封装的工艺其,特征在于:所述银浆点定位置A与电阻、辅助芯片的放置位置B的最佳尺寸是A=0.00625英寸,B=0.011英寸。
CN 200710077100 2007-09-14 2007-09-14 在sop封装线上实现多芯片、被动元件封装的工艺 Pending CN101131940A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109817598A (zh) * 2017-11-22 2019-05-28 Tdk株式会社 半导体装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109817598A (zh) * 2017-11-22 2019-05-28 Tdk株式会社 半导体装置
CN109817598B (zh) * 2017-11-22 2024-01-09 Tdk株式会社 半导体装置

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