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, 2015
Filed:
Mar. 11, 2013
Applicant:
Seagate Technology Llc, Cupertino, CA (US);
Inventors:
Yongjun Zhao, Eden Prairie, MN (US);
Lien Lee, Saint Paul, MN (US);
Lijuan Zou, Eden Prairie, MN (US);
Mark Henry Ostrowski, Lakeville, MN (US);
Assignee:
SEAGATE TECHNOLOGY LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01); H04R 31/00 (2006.01); G11B 5/31 (2006.01); G11B 5/60 (2006.01); G11B 5/00 (2006.01);
U.S. Cl.
CPC ...
G11B 5/314 (2013.01); G11B 5/3163 (2013.01); G11B 5/6088 (2013.01); G11B 2005/0021 (2013.01); Y10T 29/49048 (2015.01); Y10T 29/49052 (2015.01);
Abstract
A method of making a transducer head disclosed herein includes depositing a spacer layer on an NFT layer of the transducer head, forming an etch stop layer on a spacer layer of a transducer, depositing a cladding layer on the etch stop layer, and milling the cladding layer at a sloped angle such that the milling stops at the etch stop layer.