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:
Mar. 22, 2005
Filed:
Jun. 05, 2001
Yingjian Chen, Fremont, CA (US);
James Wang, Milpitas, CA (US);
Qing He, Fremont, CA (US);
Zi-wen Dong, Union City, CA (US);
David J. Seagle, Morgan Hill, CA (US);
Yingjian Chen, Fremont, CA (US);
James Wang, Milpitas, CA (US);
Qing He, Fremont, CA (US);
Zi-Wen Dong, Union City, CA (US);
David J. Seagle, Morgan Hill, CA (US);
Western Digital (Fremont), Inc., Lake Forest, CA (US);
Abstract
A disk drive write head () having a bottom pole (), a first insulation layer () formed on the bottom pole (), a coil () formed on the first insulation layer (), a second insulation layer () formed on the coil (), a write gap layer () formed on the second insulation layer (), and a top pole () formed on the write gap layer (), where the top pole () is substantially flat. A second embodiment () is described which is produced by a damascene process.