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:
Jun. 23, 2020
Filed:
Apr. 18, 2018
Applicant:
Disco Corporation, Tokyo, JP;
Inventors:
Assignee:
DISCO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q 17/09 (2006.01); B23Q 17/12 (2006.01); B26D 5/00 (2006.01); B24B 49/10 (2006.01);
U.S. Cl.
CPC ...
B23Q 17/0971 (2013.01); B23Q 17/12 (2013.01); B26D 5/005 (2013.01); B23Q 2717/00 (2013.01); B24B 49/10 (2013.01);
Abstract
A cutting apparatus having a cutting blade for cutting a workpiece held on a chuck table is disclosed. The cutting apparatus includes an elastic wave detecting sensor for detecting an elastic wave due to the rotation of the cutting blade, a reference data storing section configured to store reference data as a set of reference processing elastic wave data and reference idling elastic wave data, a threshold value storing section, a ratio calculating section, and a determining section.