System and method for manufacturing magnetic heads

Abrading – Precision device or process - or with condition responsive... – Computer controlled

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C451S008000

Reexamination Certificate

active

07108578

ABSTRACT:
Systems and methods for the manufacture of a magnetic head. A first embodiment provides an apparatus for the manufacture of a magnetic head comprising a feedback control loop to terminate lapping of the magnetic head responsive to achieving a target signal to noise ratio for the magnetic head.

REFERENCES:
patent: 4912883 (1990-04-01), Chang et al.
patent: 5214589 (1993-05-01), Tang
patent: 5222329 (1993-06-01), Yu
patent: 5245794 (1993-09-01), Salugsugan
patent: 5439551 (1995-08-01), Meikle et al.
patent: 5463805 (1995-11-01), Mowry et al.
patent: 5632669 (1997-05-01), Azarian et al.
patent: 5772493 (1998-06-01), Rottmayer et al.
patent: 5885131 (1999-03-01), Azarian et al.
patent: 6083081 (2000-07-01), Fukuroi et al.
patent: 6170149 (2001-01-01), Oshiki et al.
patent: 6261165 (2001-07-01), Lackey et al.
patent: 6424137 (2002-07-01), Sampson
patent: 6538430 (2003-03-01), Carrington et al.
patent: 6732421 (2004-05-01), Gates et al.
patent: 6857937 (2005-02-01), Bajorek
patent: 2003/0026046 (2003-02-01), Yamakura et al.
patent: 2003/0220050 (2003-11-01), Bunch et al.
patent: 3049004 (1991-03-01), None
patent: 10269530 (1998-10-01), None
US 5,772,943, 06/1998, Rottmayer et al. (withdrawn)
Satoru Araki, et al. “Fabrication and Electric Properties of Lapped Type of TMR Heads for ˜50Gb/in2 and Beyond” IEEE Mag-38 n.1, pp. 72ff.
R. Simmons, et al. “Anisotropy Changes in Magnetoresistive Heads Due to Lapping and Annealing” IEEE Mag-25 n.5, pp.3200ff.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

System and method for manufacturing magnetic heads does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System and method for manufacturing magnetic heads, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method for manufacturing magnetic heads will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3574112

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.