Title:
PHOTOSENSITIVE GLASS
Document Type and Number:
WIPO Patent Application WO/2022/255196
Kind Code:
A1
Abstract:
The present invention relates to photosensitive glass in which Li2SiO3 crystals precipitate as a result of light exposure and heat treatment, wherein the value of expression (A): [Li2O]/([Li2O]+[Na2O]+[K2O]) is 0.50 to 0.75, and the dielectric loss tangent at 20°C and 10 GHz is 0.0090 or less.
Inventors:
KATO TAKEYUKI (JP)
KUROIWA YUTAKA (JP)
INUZUKA NOBUO (JP)
YAMAMOTO HIROFUMI (JP)
KUROIWA YUTAKA (JP)
INUZUKA NOBUO (JP)
YAMAMOTO HIROFUMI (JP)
Application Number:
PCT/JP2022/021435
Publication Date:
December 08, 2022
Filing Date:
May 25, 2022
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
C03C4/04; C03B32/02; C03C10/04; C03C15/00; H05K1/02; H05K1/03
Foreign References:
| CN106746606A | 2017-05-31 | |||
| JP2017036200A | 2017-02-16 | |||
| JP2020536402A | 2020-12-10 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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