CPC G02B 1/12 (2013.01) [B23K 26/364 (2015.10); B23K 26/57 (2015.10); G02B 1/14 (2015.01); G06F 1/1609 (2013.01); G06F 1/1626 (2013.01); B23K 26/00 (2013.01); B23K 26/073 (2013.01); C03C 23/0025 (2013.01)] | 20 Claims |
1. A method for manufacturing a cover window, the method comprising:
forming a groove by irradiating first laser light to an edge of a first area defined on a bottom surface of a transparent member, wherein the first laser light removes a first portion of the transparent member at the bottom surface; and
forming a solid removable portion of the transparent member by irradiating second laser light, which is different from the first laser light and has a focus fixed at a depth of the groove of the transparent member, to the first area, wherein the second laser light passes through the transparent member at the bottom surface while removing a second portion of the transparent member at the depth of the groove, and wherein a first planar surface of the solid removable portion of the transparent member is formed by the first laser light and a second planar surface of the solid removable portion of the transparent member is formed by the second laser light; and
removing the solid removable portion to form the cover window.
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