Patent ID: 9688563
Date: 2017-06-27
CPC Classifications: B23K,B26D

Claim:
1. An apparatus for forming holes in a glass substrate, comprising: a laser source that irradiates a laser beam on a first surface of the glass substrate; and a base plate on which a second surface of the glass substrate, opposite to the first surface, is placed, wherein the base plate includes a recessed area in a central part thereof, and a plurality of supports arranged within the recessed area to support the glass substrate, wherein at least a part of the plurality of supports is arranged in a lattice shape within a plane approximately perpendicular to a direction in which the plurality of supports extend, wherein one support and another adjacent support closest to the one support, amongst the supports arranged in the lattice shape, are arranged at an interval d that is shorter than 30 mm, and wherein the plurality of supports have a height h that is higher than 70 μm.