Patent ID: 7268093

Claim:
A glaze composition containing a glaze forming material, wherein a median diameter after grinding and mixing of said glaze forming material is within a range of 4 to 5 μm, and upon baking, said glaze forming material forming a baked product comprising constituents: (a) 55.0 to 67.0 wt % of SiO 2 ; (b) 8.0 to 11.0 wt % of Al 2 O 3 ; (c) 2.0 to 8.0 wt % of SnO 2 ; (d) 15.0 to 21.0 wt % of a divalent metal oxide; and (e) 4.0 to 6.0 wt % of a monovalent metal oxide; with respect to a total weight of said baked product.