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. 11, 2022
Filed:
Apr. 03, 2020
Applicant:
Disco Corporation, Tokyo, JP;
Inventors:
Assignee:
DISCO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/683 (2006.01); H01L 21/268 (2006.01); H01L 21/78 (2006.01); H01L 23/544 (2006.01); H01L 21/66 (2006.01);
U.S. Cl.
CPC ...
H01L 21/6836 (2013.01); H01L 21/268 (2013.01); H01L 21/78 (2013.01); H01L 22/20 (2013.01); H01L 23/544 (2013.01); H01L 2221/68327 (2013.01); H01L 2223/5446 (2013.01);
Abstract
A processing method for a workpiece, which includes a stacking step of stacking a sheet and a flat plate on a front side of the workpiece to form a stack, a thermocompression bonding step of thermocompression bonding the sheet to the workpiece while planarizing the sheet with the flat plate by heating the sheet and applying an external force to the stack, a holding step of holding the workpiece via the sheet by a holding table having a transparent portion, an alignment step of performing an alignment by imaging the workpiece through the transparent portion and the sheet, and a processing step of processing the workpiece by a processing unit.