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. 22, 1998
Filed:
Mar. 05, 1997
Applicant:
Inventors:
Zhaoguo Jiang, Fremont, CA (US);
Ming M Yang, San Jose, CA (US);
James L Chao, Milpitas, CA (US);
Bruce M Harper, San Jose, CA (US);
Michael A Russak, Los Gatos, CA (US);
Assignee:
HMT Technology Corporation, Fremont, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
451285 ; 451 41 ; 451 63 ; 451 65 ; 451287 ; 451550 ;
Abstract
A texturing device for texturing a disc substrate of the type used in forming a thin-film medium is described. The device includes a rotatable assembly having a first pad attached to one end of a spindle and an annular ring having a second pad attached on one surface. Each pad defines a texturing surface for texturing the inner and outer regions of the disc substrate.