METHOD OF SOLID-PHASE WELDING MEMBERS

Title:

METHOD OF SOLID-PHASE WELDING MEMBERS

Document Type and Number:

WIPO Patent Application WO/1998/041354

Kind Code:

A1

Abstract:

A welding insert layer of any one of Au, Au alloys, Ag, Ag alloys, Pt, Pt alloys, Pd and Pd alloys is provided on the surface of each of two members to be welded, and the surface of each welding insert layer contains not more than 20 at% of carbon, 10 at% of sulfur and not more than 5 at% of oxygen. The surfaces of the welding insert layers are put together, and the two members are welded in solid phase to each other in the atmospheric air or in an atmosphere containing not less than 20 % of oxygen at a temperature in the range of 150-300 �C.

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Inventors:

KATOU MITSUO (JP)
SAWAHATA MAMORU (JP)
KAJIWARA RYOICHI (JP)
ONUKI JIN (JP)
YAMADA KAZUJI (JP)

Application Number:

PCT/JP1997/000841

Publication Date:

September 24, 1998

Filing Date:

March 17, 1997

Export Citation:

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Assignee:

HITACHI LTD (JP)
KATO MITSUO (JP)
SAWAHATA MAMORU (JP)
KAJIWARA RYOICHI (JP)
ONUKI JIN (JP)
YAMADA KAZUJI (JP)

International Classes:

B23K20/10; B23K20/16; H01L23/495; (IPC1-7): B23K20/00; B23K20/10; H01L21/52; H01L21/58; H01L21/60; H01L23/50

Foreign References:

JPH07211722A	1995-08-11
JPH06509908A	1994-11-02
JPH06244342A	1994-09-02
JPH01256140A	1989-10-12
JPS5541740A	1980-03-24

Attorney, Agent or Firm:

Ogawa, Katsuo (5-1, Marunouchi 1-chom, Chiyoda-ku Tokyo 100, JP)

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