会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 23. 发明专利
    • Semiconductor device
    • 半导体器件
    • JP2014017417A
    • 2014-01-30
    • JP2012154886
    • 2012-07-10
    • Denso Corp株式会社デンソー
    • HAYASHI EIJISAKAMOTO ZENJI
    • H01L21/52
    • H01L24/29H01L24/83H01L2224/2908H01L2224/29111H01L2224/29124H01L2224/29139H01L2224/29147H01L2224/29155H01L2924/00014
    • PROBLEM TO BE SOLVED: To ensure solder bondability in a high-temperature environment while relaxing thermal stress applied to a semiconductor chip in a semiconductor device in which a lead frame and a semiconductor chip are solder bonded.SOLUTION: The semiconductor device comprises: an aluminum member 30 composed of aluminum between a lead frame 10 and a semiconductor element 20; metal layers 41, 42 each composed of metal other than aluminum and which are provided a first opposed surface 31 and a second opposed surface 32 of the aluminum member 30, respectively; a first alloy layer 51 composed of an alloy of metal which composes the metal layer 41 and a solder component between the metal layer 41 on the first opposed surface 31 and the lead frame 10; and a second alloy layer 52 composed of an alloy of metal which composes the metal layer 42 on the second opposed surface 32 and the solder component between the metal layer 42 on the second opposed surface and the semiconductor element 20. Each of the first alloy layer 51 and the second alloy layer 52 is composed of the alloy having a melting point higher than a melting point of the contained solder component.
    • 要解决的问题:为了确保在引线框架和半导体芯片被焊接的半导体器件中放置对半导体芯片施加的半导体芯片的热应力的同时保持高温环境中的焊接接合性。解决方案:半导体器件包括:铝 在引线框架10和半导体元件20之间由铝构成的构件30; 金属层41,42各自由铝以外的金属构成,分别设置有铝构件30的第一相对面31和第二相对面32。 由构成金属层41的金属合金和第一相对面31上的金属层41与引线框架10之间的焊料成分构成的第一合金层51; 以及第二合金层52,其由构成第二相对表面32上的金属层42的金属合金和第二相对表面上的金属层42之间的焊料成分组成。第一合金层 51,第二合金层52由熔点高于所含焊料成分的熔点的合金构成。