Perpendicular magnetic head

Details Perpendicular magnetic head Perpendicular magnetic head

1985-01-31

1987-10-27

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Plural gaps

360105, G11B 5265, G11B 529

Patent

active

047033800

ABSTRACT:
A perpendicular magnetic head includes a main pole suitable for use exclusively in recording information signals which is made of a soft magnetic film having the high saturation magnetization and another main pole suitable for use exclusively in reproducing recorded signals which is made of a soft magnetic film having the high initial permeability, both being disposed at separate positions.

REFERENCES:
patent: 4156882 (1979-05-01), Delagi
patent: 4317148 (1982-02-01), Chi
patent: 4385334 (1983-05-01), Yanagida
Patent Abstract of Japan, vol. 5, No. 60, Apr. 23, 1981, p. 100, P 58 (P-58) (732); & JP-A-56-13514 (Olympus) 9.2.81.
Patent Abstract of Japan, vol. 6, No. 229, Nov. 16, 1982, p. (P-155)(1107); & JP-A-57-130221 (Suwa Seikosha) 12.8.1982.
Patent Abstract of Japan, vol. 5, No. 154, Sep. 29, 1981, p. (P-82) (826); & JP-A-87216 (Tokyo Shibaura) 15.7.1981.
Patent Abstract of Japan, vol. 6, No. 112, Jun. 23, 1982, p. (P-124) (990); & JP-A-57-40718 (Suwa Seikosha) 6.3.1982.
Patent Abstract of Japan, vol. 8, No. 23, Jan. 31, 1984, p. (P-251) (1460); & JP-A-58-179905 (Matsushita) 21.10.1983.
Electronics & Nucleonics Dictionary, Third Edition, pp. 320, 380 & 463, John Markus, McGraw-Hill Book Company.
American Institute of Physics Handbook, pp. 5-169; 5-174 & 5-180, McGraw-Hill Book Company, Inc.

Affiliated with

Also associated with

Rating

Perpendicular magnetic head does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1275188