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.

Date of Patent:
Jun. 25, 2024

Filed:

Nov. 19, 2018
Applicant:

Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;

Inventors:

Yu-Ping Tseng, Taipei, TW;

Ren-Hao Jheng, Hsinchu County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/321 (2006.01); B24B 9/06 (2006.01); B24B 37/04 (2012.01); B24B 37/24 (2012.01); B24B 37/26 (2012.01);
U.S. Cl.
CPC ...
H01L 21/3212 (2013.01); B24B 9/065 (2013.01); B24B 37/044 (2013.01); B24B 37/24 (2013.01); B24B 37/26 (2013.01);
Abstract

The present disclosure provides an apparatus and a method for polishing a semiconductor substrate in semiconductor device manufacturing. The apparatus can include: a carrier configured to hold the substrate; a polishing pad configured to polish a first surface of the substrate; a chemical mechanical polishing (CMP) slurry delivery arm configured to dispense a CMP slurry onto the first surface of the substrate; and a pad conditioner configured to condition the polishing pad. In some embodiments, the pad conditioner can include: a conditioning disk configured to scratch the polishing pad; a conditioning arm configured to rotate the conditioning disk; a plurality of magnetic screws configured to secure the conditioning disk onto the conditioning arm and including a respective plurality of screw heads; and a plurality of blocking devices respectively positioned beneath the plurality of screw heads and configured to block debris particles from entering exiting a respective plurality of screw holes.


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