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:
Sep. 23, 1997
Filed:
Dec. 20, 1995
Applicant:
Inventors:
Raymond C Chiu, Woodbury, MN (US);
Robert G Smith, Vadnais Heights, MN (US);
Billy Lee Weaver, Eagan, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428336 ; 360103 ; 360122 ; 428141 ; 428216 ; 428334 ; 428698 ; 428701 ; 428702 ; 501 87 ; 501 93 ; 501127 ; 501153 ;
Abstract
A composite ceramic wafer including a beta silicon carbide layer. The composite ceramic wafer is useful for making thin film magnetic heads.
Chiu, Raymond. (1997). Ceramic wafers and thin film magnetic heads (U.S. Patent No. 5670253). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5670253
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile