Title:
GLASS
Document Type and Number:
WIPO Patent Application WO/2021/251246
Kind Code:
A1
Abstract:
The present invention relates to glass comprising, in mole percent on an oxide basis, 52 to 80% of SiO2, 5 to 30% of B2O3, 2 to 30% of Al2O3, 0.1 to 11% of P2O5, and 0.0001 to 5% of Na2O, and having an average thermal expansion coefficient α at 50 to 350°C of 5×10-7/°C or more and less than 33×10-7/°C.
Inventors:
YAMAMOTO HIROYUKI (JP)
OGAWA SHUHEI (JP)
INABA SEIJI (JP)
OGAWA SHUHEI (JP)
INABA SEIJI (JP)
Application Number:
PCT/JP2021/021105
Publication Date:
December 16, 2021
Filing Date:
June 02, 2021
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
C03C3/097; C04B37/04; F24C15/10; H05B6/12
Foreign References:
| JP2018203571A | 2018-12-27 | |||
| JP2008199006A | 2008-08-28 | |||
| JP2014165459A | 2014-09-08 | |||
| JP2005086711A | 2005-03-31 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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