Magnetic reinitialization of thin film magnetoresistive reproduc

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – For magnetizing or demagnetizing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

360113, 335301, 335304, 335306, H01F 720

Patent

active

057839816

ABSTRACT:
The magnetic states of MR reproducing heads are reinitialized during media drive manufacturing by applying initializing magnetic fields to the transducers after they have been manufactured and incorporated into media drive assemblies.

REFERENCES:
patent: 2834938 (1958-05-01), Cunningham
patent: 3032363 (1962-05-01), Clayborne
patent: 3164756 (1965-01-01), Steingroever
patent: 3477050 (1969-11-01), Hinger
patent: 4224649 (1980-09-01), Alexandrovich, Sr.
patent: 5003276 (1991-03-01), Sarwinski et al.
patent: 5220474 (1993-06-01), Ohmori
patent: 5315245 (1994-05-01), Schroeder et al.
Patent Abstracts of Japan, vol. 013, No. 502 (P-958), 13 Nov. 1989 & JP-A-01 201816 (Hitachi Ltd), 14 Aug. 1989, Abstract.
Patent Abstracts of Japan, vol. 013, No. 550, (P-972), 8 Dec. 1989 & JP-A-01 229414 (Sumitomo Metal Ind Ltd), 13 Sep. 1989, Abstract.
IBM Technical Disclosure Bulletin, vol. 26, No. 7A, Dec. 1983, Armonk, NY, US, pp. 3127-3128, XP002003949, Beam et al., "Self-aligned Two-step Process for Flux Enhancement in Magnetoresistive Sensors", p. 3128, paragraph 3.
Research Disclosure, No. 322, 1 Feb. 1991, p. 140 XP000169213 "Exciter for Testing File Memory Actuators".
Patent Abstracts of Japan vol. 013, No. 520 (P-963), 21 Nov. 1989 & JP-A-01 211314 (Matsushita Electric Ind Co Ltd), 24 Aug. 1989, abstract; Figure 3.
EP-A-0 572 067 (Philips Electronics NV) 1 Dec. 1993.
Review of Scientific Instruments, vol. 65, No. 2, 1 Feb. 1994, pp. 383-389, XP000439426 Thompson C.A. et al: "Micromagnetic Scanning Microprobe System" the whole document.
Patent Abstracts of Japan, vol. 012, No. 166 (P-704), 19 May 1988 & JP-A-62 279509 (Alps Electric Co Ltd), 4 Dec. 1987, Abstract.
Patent Abstracts of Japan, vol. 014, No. 092 (P-1009), 20 Feb. 1990 & JP-A-01 300414 (Hitachi Ltd), 4 Dec. 1989, Abstract.
Patent Abstracts of Japan, vol. 008, No. 144 (P-284), 5 Jul. 1984 & JP-A-59 042625 (Fujitsu KK), 9 Mar. 1984, Abstract.
Patent Abstracts of Japan, vol. 001, No. 150 (E-070), 5 Dec. 1977 & JP-A-52 089905 (NEC Corp), 28 Jul. 1977, Abstract.

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

Magnetic reinitialization of thin film magnetoresistive reproduc does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Magnetic reinitialization of thin film magnetoresistive reproduc, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic reinitialization of thin film magnetoresistive reproduc will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1650185

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