-
公开(公告)号:US20070090501A1
公开(公告)日:2007-04-26
申请号:US11582972
申请日:2006-10-19
申请人: Seishi Oida , Takahiro Nakano , Yoshito Miyahara , Takashi Yoshie , Harunobu Satou , Kouichi Kadosaki , Kazumitsu Seki
发明人: Seishi Oida , Takahiro Nakano , Yoshito Miyahara , Takashi Yoshie , Harunobu Satou , Kouichi Kadosaki , Kazumitsu Seki
IPC分类号: H01L23/495
CPC分类号: H01L23/49582 , H01L24/48 , H01L2224/451 , H01L2224/48091 , H01L2224/48247 , H01L2224/85464 , H01L2924/00014 , H01L2924/01028 , H01L2924/01046 , H01L2924/01078 , H01L2924/01079 , H01L2924/01322 , H01L2924/181 , H05K3/3426 , H01L2924/00012 , H01L2224/45099 , H01L2224/45015 , H01L2924/207
摘要: A lead frame base is coated with a four-layer plating. The four-layer plating includes an underlayer plating (Ni), a palladium plating, a silver plating and a gold plating arranged in this order from bottom to top.
摘要翻译: 引线框架底座涂有四层电镀。 四层电镀包括从底部到顶部依次排列的下层电镀(Ni),钯电镀,银电镀和镀金。
-
公开(公告)号:US08283759B2
公开(公告)日:2012-10-09
申请号:US11582972
申请日:2006-10-19
申请人: Seishi Oida , Takahiro Nakano , Yoshito Miyahara , Takashi Yoshie , Harunobu Satou , Kouichi Kadosaki , Kazumitsu Seki
发明人: Seishi Oida , Takahiro Nakano , Yoshito Miyahara , Takashi Yoshie , Harunobu Satou , Kouichi Kadosaki , Kazumitsu Seki
IPC分类号: H01L23/495 , H01L21/00
CPC分类号: H01L23/49582 , H01L24/48 , H01L2224/451 , H01L2224/48091 , H01L2224/48247 , H01L2224/85464 , H01L2924/00014 , H01L2924/01028 , H01L2924/01046 , H01L2924/01078 , H01L2924/01079 , H01L2924/01322 , H01L2924/181 , H05K3/3426 , H01L2924/00012 , H01L2224/45099 , H01L2224/45015 , H01L2924/207
摘要: A lead frame base is coated with a four-layer plating. The four-layer plating includes an underlayer plating (Ni), a palladium plating, a silver plating and a gold plating arranged in this order from bottom to top.
摘要翻译: 引线框架底座涂有四层电镀。 四层电镀包括从底部到顶部依次排列的下层电镀(Ni),钯电镀,银电镀和镀金。
-