Title:
GLASS COMPOSITION AND METHOD FOR MANUFACTURING GLASS COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2022/195838
Kind Code:
A1
Abstract:
A glass composition which comprises main components consisting of, in % by mass: 50-80% of TeO2; 0-30% of Bi2O3; 0-30% of WO3; 0-30% of ZnO; 0-30% of BaO; 0-30% of GeO2; and 0-30% of Ga2O3, and to which at least one of the following elements to be added is introduced: 1-1000 mg/kg of Si4+; 1-1000 mg/kg of B3+; 1-1000 mg/kg of P5+; 1-1000 mg/kg of Li+; 1-1000 mg/kg of Na+; 1-1000 mg/kg of K+; 1-1000 mg/kg of Mg2+; 1-1000 mg/kg of Ca2+; and 1-1000 mg/kg of Al3+.
Inventors:
YOSHIMOTO KOHEI (JP)
FUJIWARA MIKI (JP)
FUJIWARA MIKI (JP)
Application Number:
PCT/JP2021/011319
Publication Date:
September 22, 2022
Filing Date:
March 19, 2021
Export Citation:
Assignee:
NIKON CORP (JP)
International Classes:
C03C3/12; G01N1/00
Foreign References:
| JP2004533557A | 2004-11-04 | |||
| JP2014005154A | 2014-01-16 | |||
| JPH06201549A | 1994-07-19 |
Attorney, Agent or Firm:
SHOYO INTELLECTUAL PROPERTY FIRM (JP)
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