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:
Aug. 06, 2013
Filed:
Apr. 21, 2010
Applicants:
Gregory Tran, Santa Clara, CA (US);
Yanning Liu, San Ramon, CA (US);
Sivabalan Ganisen, San Jose, CA (US);
Mukesh Patel, San Jose, CA (US);
Inventors:
Gregory Tran, Santa Clara, CA (US);
Yanning Liu, San Ramon, CA (US);
Sivabalan Ganisen, San Jose, CA (US);
Mukesh Patel, San Jose, CA (US);
Assignee:
Western Digital Technologies, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A test ramp is disclosed comprising a plurality of planar surfaces, wherein each planar surface comprises at least one impediment. Each impediment is offset along a planar axis from the other impediments, and each impediment is operable to contact part of a respective actuator arm of a disk drive in order to excite a microactuator coupled to the actuator arm.