specially adapted for composite pole pieces

Industry

CPC
G11B5/1874

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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B5/00Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor

Current Industry

G11B5/1874specially adapted for composite pole pieces

Industries

Patents Grantslast 30 patents

Information Patent Grant
Hyperbolic metamaterial-based near-field transducer for heat assist...
- Patent number 10,403,310
- Issue date Sep 3, 2019
- Seagate Technology LLC
- Andres David Barbosa Neira
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for making PMR writer with non-conformal side gaps
- Patent number 9,275,657
- Issue date Mar 1, 2016
- Western Digital (Fremont), LLC
- Jinqiu Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with low non-linear transition shift
- Patent number 6,027,824
- Issue date Feb 22, 2000
- Hitachi Metals, Ltd.
- Shigekazu Suwabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having a C-type core and an I-type core
- Patent number 5,949,626
- Issue date Sep 7, 1999
- Mitsumi Electric Company, Ltd.
- Masashi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Head core slider for rigid magnetic disk drive
- Patent number 5,331,494
- Issue date Jul 19, 1994
- NGK Insulators, Ltd.
- Naoya Fukuda
- G11 - INFORMATION STORAGE
Information Patent Grant
MIG magnetic head structured to minimize pseudo-gap problem
- Patent number 5,270,894
- Issue date Dec 14, 1993
- Sanyo Electric Co., Ltd.
- Horiyuki Okuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Composite magnetic head
- Patent number 5,227,940
- Issue date Jul 13, 1993
- Fuji Photo Film Co., Ltd.
- Tatsuya Isomura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having a single-crystal ferrite core
- Patent number 5,218,500
- Issue date Jun 8, 1993
- Sanyo Electric Co., Ltd.
- Hiroyuki Okuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic core half
- Patent number 5,195,004
- Issue date Mar 16, 1993
- Sanyo Electric Co., Ltd.
- Hiroyuki Okuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making a composite core transducer
- Patent number 5,029,380
- Issue date Jul 9, 1991
- Ampex Corporation
- Gary T. Smukal
- G11 - INFORMATION STORAGE
Information Patent Grant
Composite core magnetic transducer having a wedge shaped core portion
- Patent number 5,001,588
- Issue date Mar 19, 1991
- Ampex Corporation
- Gary T. Smukal
- G11 - INFORMATION STORAGE
Information Patent Grant
Metal-in-gap head with heat resistant layers
- Patent number 4,953,049
- Issue date Aug 28, 1990
- Sanyo Electric Co., Ltd.
- Hiroyuki Okuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having reinforcing block
- Patent number 4,926,276
- Issue date May 15, 1990
- Canon Kabushiki Kaisha
- Tsuyoshi Orikasa
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing magnetic head
- Patent number 4,815,197
- Issue date Mar 28, 1989
- Pioneer Electronic Corporation
- Hiroyuki Ota
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic transducer head
- Patent number 4,788,611
- Issue date Nov 29, 1988
- Sony Corporation
- Tomio Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic transducing head having clad core faces
- Patent number 4,764,832
- Issue date Aug 16, 1988
- U.S. Philips Corporation
- Ulrich E. Enz
- G11 - INFORMATION STORAGE
Information Patent Grant
Composite type magnetic head for recording and reproducing high fre...
- Patent number 4,656,547
- Issue date Apr 7, 1987
- Hitachi, Ltd.
- Noriyuki Kumasaka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Perpendicular magnetic recording head for high recording density
- Publication number 20070285837
- Publication date Dec 13, 2007
- Samsung Electronics Co., Ltd.
- Young-hun Im
- G11 - INFORMATION STORAGE

specially adapted for composite pole pieces

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Hyperbolic metamaterial-based near-field transducer for heat assist...

Process for making PMR writer with non-conformal side gaps

Magnetic head with low non-linear transition shift

Magnetic head having a C-type core and an I-type core

Head core slider for rigid magnetic disk drive

MIG magnetic head structured to minimize pseudo-gap problem

Composite magnetic head

Magnetic head having a single-crystal ferrite core

Method of manufacturing a magnetic core half

Method of making a composite core transducer

Composite core magnetic transducer having a wedge shaped core portion

Metal-in-gap head with heat resistant layers

Magnetic head having reinforcing block

Process for producing magnetic head

Magnetic transducer head

Magnetic transducing head having clad core faces

Composite type magnetic head for recording and reproducing high fre...

Patents Applicationslast 30 patents

Perpendicular magnetic recording head for high recording density