Arun Makhija Phones & Addresses
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647 Choctaw Dr, Fremont, CA 94539 (510) 226-0665
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40515 Chapel Way, Fremont, CA 94538 (510) 226-0665
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Alameda, CA
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647 Choctaw Dr, Fremont, CA 94539 (510) 676-7212
Work
Position:
Production Occupations
Emails
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Publications
Us Patents
Binning Disk Drives During Manufacturing By Evaluating Quality Metrics Prior To A Final Quality Audit
View pageUS Patent:
7269525, Sep 11, 2007
Filed:
Jun 16, 2004
Appl. No.:
10/870572
Inventors:
Ross E. Gough - Foothill Ranch CA, US
Steven Neal Rivkin - Laguna Niguel CA, US
Jan G. Abrahamsson - San Clemente CA, US
Carl R. Messenger - Mission Viejo CA, US
Arun Makhija - Fremont CA, US
Gordon K. Rydquist - San Jose CA, US
Michael J. Cullen - Discovery Bay CA, US
Steven Neal Rivkin - Laguna Niguel CA, US
Jan G. Abrahamsson - San Clemente CA, US
Carl R. Messenger - Mission Viejo CA, US
Arun Makhija - Fremont CA, US
Gordon K. Rydquist - San Jose CA, US
Michael J. Cullen - Discovery Bay CA, US
Assignee:
Western Digital Technologies, Inc. - Lake Forest CA
International Classification:
G06F 19/00
US Classification:
702 81, 702123
Abstract:
A method of binning disk drives by evaluating quality metrics prior to a final quality audit is disclosed. A number of disk drives are assembled, and a plurality of quality metrics are generated for each disk drive representing a plurality of operating characteristics. The quality metrics for each disk drive are evaluated for binning the disk drives into a plurality of lots including a first lot and a second lot. A final quality audit (FQA) is performed by executing a number of write and read operations for a plurality of the disk drives in each lot and classifying each disk drive as passing or failing the FQA. If the number of disk drives that fail the FQA out of the first lot falls below a first threshold, the first lot is classified as acceptable for a first tier customer. If the number of disk drives that fail the FQA out of the second lot falls below a second threshold, the second lot is classified as acceptable for a second tier customer.