US 7,538,050 B2
	Glass composition
Masataka Takagi, Otsu (Japan); Noriyuki Yoshida, Otsu (Japan); Hachiro Takahashi, Otsu (Japan); Shigeaki Aoki, Otsu (Japan); and Mitsuo Kato, Otsu (Japan)
Assigned to Nippon Electric Glass Co., Ltd., Shiga (Japan)
Appl. No. 10/503,546 PCT Filed Feb. 05, 2002, PCT No. PCT/JP03/01185 § 371(c)(1), (2), (4) Date Mar. 28, 2005, PCT Pub. No. WO03/066539, PCT Pub. Date Aug. 14, 2003.
Claims priority of application No. 2002-028134 (JP), filed on Feb. 05, 2002.
Prior Publication US 2005/0209083 A1, Sep. 22, 2005
Int. Cl. C03C 6/00 (2006.01); C03C 3/23 (2006.01); C03C 3/112 (2006.01); C03B 5/00 (2006.01); C03B 5/16 (2006.01)

U.S. Cl. 501—27  [501/43; 501/57; 501/69]

12 Claims

1. A glass composition manufactured by melting glass raw materials and containing a plurality of oxides as a main component, characterized by comprising at least one of helium and neon in an amount of 0.01 to 2 μL/g (0° C., 1 atm).