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