Patent ID: 6407360
Filing Date: 2002-06-18
Classification: B23K,B28D,B32B,C03B,G02F,H01L,Y02P

Abstract:
A laser cutter, comprising:a laser unit for irradiating a laser beam with a specific wavelength along a cutting line of a target object being cut; means for forming a pre-cut groove at a selected portion of the cutting line; a cooling unit that supplies a coolant to the target object along the cutting line on which the laser beam has been irradiated; and a coolant inhaler for inhaling a coolant supplied to the target object, wherein said means for forming a pre-cut groove comprises: a first rod disposed in front of traveling direction of said laser unit; a second rod pivotally coupled to said first rod, said second rod rotating clockwise or counterclockwise; and a rotating blade coupled to one-sided end of said second rod, for forming a pre-cut groove at a selected portion of the cutting line of the object being cut.