Steven Ehret resumes & CV records
Resumes
Steven Ehret
Skills:
Locomotive
Steven C Ehret, 647906 Blanchard Way, South Saint Paul, MN 55076
Steven Ehret Phones & Addresses
7906 Blanchard Way, Inver Grove Heights, MN 55076 651-4513199
Inver Grove, MN
Saint Paul, MN
Inver Grove, MN
7906 Blanchard Way, Inver Grove, MN 55076 612-6005677
Work
Position:
Executive, Administrative, and Managerial Occupations
Education
Degree:
Graduate or professional degree
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Mentions for Steven C Ehret
Publications & IP owners
Us Patents
High Bandwidth Large Stroke Spin-Stand For Data Storage Component Testing
US Patent:
2003000, Jan 2, 2003
Filed:
Dec 31, 2001
Appl. No.:
10/039063
Inventors:
Pradeep Subrahamanyan - Hillsboro OR, US
Patrick Korkowski - Savage MN, US
Waleed Farahat - St. Louis Park MN, US
Steven Ehret - Inver Grove Heights MN, US
Gregg Severson - Prior Lake MN, US
Thomas Rasmussen - Kasson MN, US
Albert Van der Schans - Minnetonka MN, US
Alexei Sacks - Edina MN, US
James McGlennen - Eden Prairie MN, US
Patrick Korkowski - Savage MN, US
Waleed Farahat - St. Louis Park MN, US
Steven Ehret - Inver Grove Heights MN, US
Gregg Severson - Prior Lake MN, US
Thomas Rasmussen - Kasson MN, US
Albert Van der Schans - Minnetonka MN, US
Alexei Sacks - Edina MN, US
James McGlennen - Eden Prairie MN, US
International Classification:
G11B005/596
US Classification:
360/077020, 360/078050, 360/078120
Abstract:
A high bandwidth, large stroke spin-stand for testing components of a disc drive includes a coarse positioning stage and a rotary micropositioning stage. The spin-stand is capable of positioning a transducer head relative to the data storage disc based on one or both of: (1) an angular position of a rotary actuator arm in the rotary micropositioning stage; and (2) servo data read from the data storage disc. The angular position of the rotary actuator arm is detected by an encoder. In one embodiment, position adjustments are based on the detected angular position. In another embodiment, position adjustments are based on servo data read from the data storage disc, but are also conditional on angular position being consistent with the servo data. In yet another embodiment, both angular position and servo data from a track are linearized to generate PES adjustment parameters that are recorded on the data storage disc to redefine the track as more circular or to linearize the PES.
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