| 摘要 |
PROBLEM TO BE SOLVED: To provide an airtight terminal for a semiconductor device superior in radiation performance and airtightness. SOLUTION: A base 1 is made of copper, a copper alloy, or a cladding material including copper, and is composed of a member having a cuprous oxide film, a nickel coating, or a borax film formed thereon, as a sealing pre-processing. COPYRIGHT: (C)2008,JPO&INPIT |
