Method of screening hard disk drive

Details Method of screening hard disk drive Method of screening hard disk drive

2006-10-17

2006-10-17

Wong, Kin (Department: 2627)

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

C360S069000

Reexamination Certificate

active

07123428

ABSTRACT:
A method of screening a hard disk drive (HDD) including: measuring one or more parameters to display read/write head performances at least two times during an HDD process; and calculating variances of the measured one or more parameters and judging whether head degradation has occurred based on the calculated variances.

REFERENCES:
patent: 4979055 (1990-12-01), Squires et al.
patent: 5459620 (1995-10-01), Tsuchiya
patent: 5566095 (1996-10-01), Cameron et al.
patent: 5729397 (1998-03-01), Ottesen et al.
patent: 6043943 (2000-03-01), Rezzi et al.
patent: 6249392 (2001-06-01), Sacks et al.
patent: 6249890 (2001-06-01), Ukani et al.
patent: 6421197 (2002-07-01), Abdelnour
patent: 6525892 (2003-02-01), Dunbar et al.
patent: 6587300 (2003-07-01), Dobbek
patent: 6751039 (2004-06-01), Cheng et al.
patent: 2002/0105748 (2002-08-01), Lamberts
patent: 9-55035 (1997-02-01), None
patent: 9-139040 (1997-05-01), None
patent: 09-180142 (1997-07-01), None
Office Action for Application No. 10-2003-0063363, issued by the Korean Intellectual Property Office on Oct. 31, 2005.

Affiliated with

Also associated with

Rating

Method of screening hard disk drive does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of screening hard disk drive, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of screening hard disk drive will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3716078