Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Nobuyuki Terasaki0
Date of Patent
October 22, 2024
0Patent Application Number
176388750
Date Filed
August 19, 2020
0Patent Citations
Patent Primary Examiner
Patent abstract
A copper/ceramic bonded body is provided, including: a copper member made of copper or a copper alloy; and a ceramic member, the copper member and the ceramic member being bonded to each other, in which a total concentration of Al, Si, Zn, and Mn is 3 atom % or less when concentration measurement is performed by an energy dispersive X-ray analysis method at a position 1000 nm away from a bonded interface between the copper member and the ceramic member to a copper member side, assuming that a total value of Cu, Mg, Ti, Zr, Nb, Hf, Al, Si, Zn, and Mn is 100 atom %.
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