Patent ID: 11926561
Assignee: OHARA INC.
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 2:
3. The crystallized glass substrate according to claim 1, comprising: by wt % in terms of oxide,
40.0% to 70.0% of a SiO2 component;
11.0% to 25.0% of an Al2O3 component;
5.0% to 19.0% of a Na2O component;
0% to 9.0% of a K2O component;
1.0% to 18.0% of one or more selected from a MgO component and a ZnO component;
0% to 3.0% of a CaO component; and
0.5% to 12.0% of a TiO2 component.