发明名称 |
Bonded body and power module substrate |
摘要 |
The bonded body of the present invention includes: a ceramic member made of ceramics; and a Cu member which is made of Cu or a Cu alloy and bonded to the ceramic member through a Cu—P—Sn-based brazing filler material and a Ti material, wherein a Cu—Sn layer, which is positioned close to the ceramic member and in which Sn forms a solid solution with Cu, and an intermetallic compound layer which is positioned between the Cu member and the Cu—Sn layer and contains P and Ti, are formed at a bonded interface between the ceramic member and the Cu member. |
申请公布号 |
US9530717(B2) |
申请公布日期 |
2016.12.27 |
申请号 |
US201414913648 |
申请日期 |
2014.08.18 |
申请人 |
MITSUBISHI MATERIALS CORPORATION |
发明人 |
Terasaki Nobuyuki;Nagatomo Yoshiyuki |
分类号 |
H01L23/373;B23K35/02;H01L23/473;H01L23/15;H01L21/48;H01L23/498 |
主分类号 |
H01L23/373 |
代理机构 |
Locke Lord LLP |
代理人 |
Locke Lord LLP |
主权项 |
1. A bonded body comprising:
a ceramic member made of ceramics; and a Cu member which is made of Cu or a Cu alloy and bonded to the ceramic member through a Cu—P—Sn-based brazing filler material and a Ti material, wherein a Cu—Sn layer, which is positioned close to the ceramic member and in which Sn forms a solid solution with Cu, and an intermetallic compound layer which is positioned between the Cu member and the Cu—Sn layer and contains P and Ti, are formed at a bonded interface between the ceramic member and the Cu member. |
地址 |
Tokyo JP |