The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 2026
Filed:
Mar. 14, 2024
Disco Corporation, Tokyo, JP;
Tsubasa Hirose, Tokyo, JP;
DISCO CORPORATION, Tokyo, JP;
Abstract
A workpiece processing method includes a desired shape division start point forming step of applying a laser beam to the workpiece, with a focal point of the laser beam positioned at an outline of a desired shape, to form division start points, an auxiliary division start point forming step of applying the laser beam to the workpiece, with the focal point of the laser beam positioned in a direction of an acute angle from a tangent to the outline of the desired shape, to form auxiliary division start points, a crack forming step of exerting an external force on the auxiliary division start points to generate cracks and propagate the cracks to the division start points formed at the outline of the desired shape, and a step of manufacturing the workpiece in the desired shape from the workpiece by the crack formed at the outline of the desired shape.