Method of manufacturing a thin film head

Details Method of manufacturing a thin film head Method of manufacturing a thin film head

1990-09-11

1991-12-03

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

427130, 427131, G11B 542

Patent

active

050689592

ABSTRACT:
Recording head to optimize high density recording by reduction of hooks on ends of transitions, the recording head having at least two poles with a gap section inbetween and configured with the second pole and gap section being greater in width than the first pole. Transverse field components are reduced at the head fringes and the transition becomes substantially parallel to gap. The vertical components of the head field are also minimized. Method for producing head with narrow first pole includes planarization of first pole area to receive wider gap layer and wider second pole.

REFERENCES:
patent: 3052885 (1962-09-01), Kump
patent: 3114011 (1963-12-01), Shirakura
patent: 3341667 (1967-09-01), Brown et al.
patent: 3961374 (1976-06-01), Murata et al.
patent: 4069094 (1978-01-01), Shaw et al.
patent: 4195323 (1980-03-01), Lee
patent: 4199384 (1980-04-01), Hsu
patent: 4242710 (1980-12-01), Hempstead et al.
patent: 4251319 (1981-02-01), Bonnie et al.
patent: 4317700 (1982-03-01), Tanaka et al.
patent: 4391849 (1983-07-01), Bischoff
patent: 4402801 (1983-09-01), Omata et al.
patent: 4404609 (1983-09-01), Jones, Jr.
patent: 4409319 (1983-10-01), Colacino et al.
patent: 4427713 (1984-01-01), White et al.
patent: 4532005 (1985-07-01), Grieco et al.
patent: 4575777 (1986-03-01), Hosokawa
patent: 4601099 (1986-07-01), Nishiyama
patent: 4621045 (1986-11-01), Goodner
patent: 4652954 (1987-03-01), Church
patent: 4656546 (1987-04-01), Mallory
patent: 4665007 (1987-05-01), Cservak et al.
patent: 4665010 (1987-05-01), Herd et al.
patent: 4685014 (1987-08-01), Hanazono et al.
patent: 4691719 (1987-12-01), Kobayashi et al.
patent: 4695351 (1987-09-01), Mallory
patent: 4705597 (1987-11-01), Gimpelson et al.
patent: 4713710 (1987-12-01), Soda et al.
patent: 4729050 (1988-03-01), Koyama
patent: 4745045 (1988-05-01), Fredericks et al.
patent: 4753866 (1988-06-01), Welch et al.
patent: 4768118 (1988-08-01), Kuriyama
patent: 4777553 (1988-10-01), Aoi et al.
patent: 4799118 (1989-01-01), Yamada et al.
patent: 4803580 (1989-02-01), Mowry
patent: 4816947 (1989-03-01), Vinal et al.
patent: 4819107 (1989-04-01), Bolt
patent: 4821126 (1989-04-01), Matsumoto
patent: 4828966 (1989-05-01), Mallary et al.
patent: 4837924 (1989-06-01), Lazzari
patent: 4885649 (1989-12-01), Das
patent: 4912584 (1990-03-01), Mallary et al.
patent: 4935832 (1990-05-01), Das et al.

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