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:
Oct. 30, 2018
Filed:
Dec. 30, 2015
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Palaniappan Chinnakaruppan, Cupertino, CA (US);
Srikanth Kamireddi, Cupertino, CA (US);
Assignee:
APPLE INC., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 1/00 (2006.01); C09K 3/14 (2006.01); B44C 1/22 (2006.01);
U.S. Cl.
CPC ...
B24B 1/00 (2013.01); B44C 1/227 (2013.01); C09K 3/1454 (2013.01);
Abstract
A ceramic component and methods for making a ceramic component are disclosed. In particular, a sapphire component may be polished by positioning a compliant pad adjacent to a surface of the sapphire component. An abrasive slurry may be disposed or introduced between the compliant pad and the surface. The compliant pad may be moved with respect to the surface to produce a polished surface. The abrasive slurry may include a liquid component having a high pH level and medium-sized abrasive particulates.