Title:
SOLDER ALLOY FOR OXIDE BONDING
Document Type and Number:
WIPO Patent Application WO/2007/007840
Kind Code:
A1
Abstract:
Disclosed is a lead-free metal solder material which enables to attain excellent bonding
strength and hermetic sealing. Specifically disclosed is a solder alloy for
oxide bonding which is composed of, in mass%, 2.0-15.0% of Ag, more than 0.1% to
6.0% of Al and the balance of Sn and unavoidable impurities. The amount of Al is
preferably 0.3-3.0%, and more preferably 0.5-1.5%. The amount of Ag is preferably 3.0-13.0%,
more preferably more than 5.0% to 12.0%, and still more preferably 6.0-10.0%.
The relation between Ag and Al preferably satisfies 0 < [(%Ag) - (%Al) ×
7.8] < 10.
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Inventors:
YAMADA MINORU (JP)
CHIWATA NOBUHIKO (JP)
CHIWATA NOBUHIKO (JP)
Application Number:
PCT/JP2006/313983
Publication Date:
January 18, 2007
Filing Date:
July 13, 2006
Export Citation:
Assignee:
SOPHIA PRODUCT CO (JP)
HITACHI METALS LTD (JP)
YAMADA MINORU (JP)
CHIWATA NOBUHIKO (JP)
HITACHI METALS LTD (JP)
YAMADA MINORU (JP)
CHIWATA NOBUHIKO (JP)
International Classes:
B23K35/26; C03C27/08; C04B37/00; C22C13/00
Foreign References:
JP2001058287A | 2001-03-06 | |||
JP2000141078A | 2000-05-23 | |||
JP2000119046A | 2000-04-25 | |||
JPS333515B1 |
Attorney, Agent or Firm:
SUGIMURA, Kosaku et al. (2-4 Kasumigaseki 3-chom, Chiyoda-ku Tokyo 13, JP)
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