Patent ID: 11964904
Assignee: AGC INC.
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  G | IPC B  C  G

Claim 5:
6. The glass substrate with an antireflection film according to claim 1, wherein the glass has the following composition as represented by mass % based on oxides:
MgO: 0% to 10%,
CaO: 0% to 15%,
SrO: 0% to 15%,
Li2O: 0% to 9%,
Na2O: 0% to 10%,
K2O: 0% to 10%,
Al2O3: 0% to 5%,
TiO2: 0% to 15%,
WO3: 0% to 15%,
ZrO2: 0% to 15%, and
ZnO: 0% to 15%.