发明名称 BONDED BODY, POWER MODULE SUBSTRATE, POWER MODULE AND METHOD FOR PRODUCING BONDED BODY
摘要 There is provided a bonded body of the invention in which a ceramic member formed of a ceramic containing Al and a Cu member formed of Cu or a Cu alloy are bonded to each other, in which a bonding portion is formed between the ceramic member and the Cu member, an active metal compound region formed of a compound containing active metal is formed on the bonded portion on the ceramic member side, and an Al concentration of the bonding portion having a thickness range of 0.5 μm to 3 μm from one surface of the active metal compound region on the Cu member side towards the Cu member side is in a range of 0.5 at % to 15 at %.
申请公布号 US2017062305(A1) 申请公布日期 2017.03.02
申请号 US201515119547 申请日期 2015.01.30
申请人 MITSUBISHI MATERIALS CORPORATION 发明人 Terasaki Nobuyuki;Nagatomo Yoshiyuki
分类号 H01L23/373;H05K1/18;B23K35/30;H01L23/15;C04B37/02;B23K1/00 主分类号 H01L23/373
代理机构 代理人
主权项 1. A bonded body in which a ceramic member formed of a ceramic containing Al and a Cu member formed of Cu or a Cu alloy are bonded to each other, wherein a bonding portion is formed between the ceramic member and the Cu member, an active metal compound region formed of a compound containing active metal is formed on the bonded portion on the ceramic member side, and an Al concentration of the bonding portion having a thickness range of 0.5 μm to 3 μm from one surface of the active metal compound region on the Cu member side towards the Cu member side is in a range of 0.5 at % to 15 at %.
地址 Tokyo JP