CPC H05K 5/03 (2013.01) [B24B 29/00 (2013.01); C03B 23/03 (2013.01); C03C 17/002 (2013.01); C03C 2218/119 (2013.01)] | 9 Claims |
1. A rear cover of an electronic device, the rear cover comprising:
a glass substrate; and
a hard coating layer formed on a first face of the glass substrate,
wherein the first face of the glass substrate comprises:
a roughness layer formed on the first face of the glass substrate and including fine grooves formed irregularly, the fine grooves having irregular depths and widths,
a hairline pattern formed irregularly between the fine grooves of the roughness layer and having irregular depths and widths, and
wherein the hard coating layer is coated on the roughness layer and the hairline pattern.
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