Title:
ホウケイ酸ガラスおよびその使用
Document Type and Number:
Japanese Patent JP4454266
Kind Code:
B2
Abstract:
Aluminum-free borosilicate glass comprises (in wt.%) 65-77 silica, 7-20 boric oxide, 0-2 lithia, 0-4 sodium oxide, 3-12 potassium oxide, 0-2 magnesium oxide, 0-2 calcium oxide, 0-3 magnesium oxide + calcium oxide, 0-3 barium oxide, 0-2 zinc oxide, 0.8-12 zirconia, 0-5 titania, 0-1 ceria, and 0-0.6 fluoride.
Inventors:
Christoph Kas
Jora Heinrich Fechner
Jora Heinrich Fechner
Application Number:
JP2003294190A
Publication Date:
April 21, 2010
Filing Date:
August 18, 2003
Export Citation:
Assignee:
Schott AG
International Classes:
C03C3/115; C03C3/089; C03C3/095; C03C8/24; C03C13/00; C03C13/02; H01J5/02; H01J61/30
Domestic Patent References:
| JP2003098349A | ||||
| JP8267278A | ||||
| JP56051143B1 | ||||
| JP58135151A |
Attorney, Agent or Firm:
Mikio Hatta
Yasuo Nara
Katsuyuki Utani
Ken Fujita
Masanori
Toshihiro Hasegawa
Yasuo Nara
Katsuyuki Utani
Ken Fujita
Masanori
Toshihiro Hasegawa