发明授权
- 专利标题： Coating and electronic component
- 专利标题（中）： 涂层和电子元件
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申请号： EP11169812.2申请日： 2011-06-14
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公开(公告)号： EP2410078B1公开(公告)日： 2018-01-17
- 发明人: Yoshida, Kenichi , Horikawa, Yuhei , Sato, Atsushi , Abe, Hisayuki
- 申请人： TDK Corporation
- 申请人地址： 3-9-1, Shibaura, Minato-ku, Tokyo 108-0023 JP
- 专利权人： TDK Corporation
- 当前专利权人： TDK Corporation
- 当前专利权人地址： 3-9-1, Shibaura, Minato-ku, Tokyo 108-0023 JP
- 代理机构： Grünecker Patent- und Rechtsanwälte PartG mbB
- 优先权： JP2010163128 20100720
- 主分类号： C23C18/16
- IPC分类号： C23C18/16 ; C23C18/32 ; C23C18/42 ; C23C18/54 ; H01L23/00 ; C23C28/00 ; C23C28/02
摘要：
The present invention provides a coating 10 provided on a conductor 20, the coating 10 has a first layer 12 containing palladium and a second layer 14 containing gold from the conductor 20 side, the first layer 12 has a first region 31 on the conductor 20 side and a second region 32 arranged nearer to the second layer 14 than the first region 31, and the second region 32 has a higher phosphorus concentration than the first region 31.
公开/授权文献
- EP2410078A1 Coating and electronic component 公开/授权日：2012-01-25
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