METHOD FOR MANUFACTURING SMALL-SIZED SHEET, STRUCTURAL ELEMENT, AND METHOD FOR MANUFACTURING STRUCTURAL ELEMENT

摘要

The present invention provides a method for manufacturing a small-sized physically tempered glass sheet having excellent design properties, a structural element that uses the small-sized physically tempered glass sheet, and a method for manufacturing the structural element. In a cutting step of this method for manufacturing a tempered glass sheet, a middle layer (17) is heated in localized fashion to a temperature at or below the annealing point by a laser light (20), a compressive stress or a tensile stress smaller than the internal residual tensile stress (CT) is generated in localized fashion in the middle layer (17), and the extension speed of a crack (30) caused by the internal residual tensile stress is controlled.