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METHOD AND APPARATUS FOR CUTTING GLASS SHEETS TO GIVE CUT SECTION PERPENDICULAR TO SURFACE OF SUBSTRATE AND MANUFACTURING METHOD OF PDP
METHOD AND APPARATUS FOR CUTTING GLASS SHEETS TO GIVE CUT SECTION PERPENDICULAR TO SURFACE OF SUBSTRATE AND MANUFACTURING METHOD OF PDP
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机译:切割玻璃板以提供垂直于基体表面的切割部分的方法和装置以及pdp的制造方法
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摘要
PURPOSE: A method for cutting a glass sheet is provided to allow a glass sheet or PDP substrate to have a cut section perpendicular to the surface of the substrate or to have a cut line in the form of a straight line. CONSTITUTION: The method for cutting a glass sheet(3) comprises the steps of: (i) forming a linear groove(5) along a predetermined cutting line defined on the glass sheet; and (ii) applying local pressure to the end of the groove. The step for applying local pressure is performed by forming cracks along the groove. In a variant, the method comprises a step for disposing an elastic sheet for dispersing pressure at the end of the groove and disposing a pressure absorber(23,25) on the back surface of the glass sheet facing to the end the predetermined cutting line, instead of step (ii).
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