Title:
BISMUTH-BASE GLASS COMPOSITION AND BISMUTH-BASE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2008/050772
Kind Code:
A1
Abstract:
[PROBLEMS] To provide a bismuth-base glass composition which can be well softened
in heat treatment such as sealing and can crystallize satisfactorily after being
softened and which is little re-softened after crystallization in heat treatment
such as evacuation. [MEANS FOR SOLVING PROBLEMS] A bismuth-base glass composition
characterized by having a composition which comprises by mass 60 to 84% of Bi2O3,
5.4 to 15% of B2O3, 10 to 27% of ZnO, 0 to 7% of CuO, and 0 to 5%
of Fe2O3 and contains BaO, SrO, MgO and CaO in a total amount
of 0 to 10% and SiO2 and Al2O3 in a total amount of
0 to 5% and being substantially free from PbO.
Inventors:
HORIMOTO MASAYUKI (JP)
ISHIHARA KENTARO (JP)
ISHIHARA KENTARO (JP)
Application Number:
PCT/JP2007/070661
Publication Date:
May 02, 2008
Filing Date:
October 23, 2007
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
HORIMOTO MASAYUKI (JP)
ISHIHARA KENTARO (JP)
HORIMOTO MASAYUKI (JP)
ISHIHARA KENTARO (JP)
International Classes:
C03C8/04; C03C8/24; C03C10/02; H01J9/26; H01J11/46; H01J11/48; H01J11/54; H01J29/86
Foreign References:
| JP2003095697A | 2003-04-03 | |||
| JPH0859294A | 1996-03-05 | |||
| JPH10139478A | 1998-05-26 | |||
| JPH08315634A | 1996-11-29 | |||
| JP2003054987A | 2003-02-26 | |||
| JP2006169018A | 2006-06-29 |
Attorney, Agent or Firm:
TANAKA, Hideyoshi et al. (15-26 Edobori 1-chome, Nishi-k, Osaka-shi Osaka 02, JP)
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