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:
Jun. 22, 2010
Filed:
Jul. 11, 2007
Antanas Daugela, Savage, MN (US);
Subra Nagarajan, Prior Lake, MN (US);
Jason W. Riddering, Prior Lake, MN (US);
Neal F. Gunderson, Lake Elmo, MN (US);
John S. Wright, Minneapolis, MN (US);
Stefan A. Ionescu, Burnsville, MN (US);
Rick P. Freeman, Northfield, MN (US);
Erick J. Lindquist, Oakdale, MN (US);
Andrew R. Motzko, Delano, MN (US);
Zine Eddine Boutaghou, St. Paul, MN (US);
Antanas Daugela, Savage, MN (US);
Subra Nagarajan, Prior Lake, MN (US);
Jason W. Riddering, Prior Lake, MN (US);
Neal F. Gunderson, Lake Elmo, MN (US);
John S. Wright, Minneapolis, MN (US);
Stefan A. Ionescu, Burnsville, MN (US);
Rick P. Freeman, Northfield, MN (US);
Erick J. Lindquist, Oakdale, MN (US);
Andrew R. Motzko, Delano, MN (US);
Zine Eddine Boutaghou, St. Paul, MN (US);
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
Apparatus and method for head-disc interface (HDI) modal response monitoring. A sensing element disposed on a rigid actuator arm is mechanically impedance matched to a head-disc interface (HDI) supported by the actuator arm to resonate at a predetermined frequency corresponding to at least one disturbance associated with the HDI.