Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps

Industry

CPC
G11B5/3176

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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

G11B5/3176Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Main pole layer with at least two sacrificial layers and a gap layer
- Patent number 9,922,671
- Issue date Mar 20, 2018
- Seagate Technology LLC
- Wei Tian
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Method of forming a non-uniform write gap perpendicular writer for...
- Patent number 9,741,368
- Issue date Aug 22, 2017
- Headway Technologies, Inc.
- Lijie Guan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
High frequency assisted magnetic recording head and disk device com...
- Patent number 9,679,587
- Issue date Jun 13, 2017
- Kabushiki Kaisha Toshiba
- Tomoko Taguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for monitoring the power of a light source util...
- Patent number 9,431,037
- Issue date Aug 30, 2016
- Western Digitatl (Fremont), LLC
- William J. Kozlovsky
- G11 - INFORMATION STORAGE
Information Patent Grant
Non-uniform write gap perpendicular writer for shingle writing
- Patent number 8,896,965
- Issue date Nov 25, 2014
- Headway Technologies, Inc.
- Lijie Guan
- G11 - INFORMATION STORAGE
Information Patent Grant
Non-uniform write gap perpendicular writer for shingle writing
- Patent number 8,542,463
- Issue date Sep 24, 2013
- Headway Technologies, Inc.
- Lijie Guan
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular recording magnetic head with a write shield megnetica...
- Patent number 7,388,732
- Issue date Jun 17, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Hard disk drive for perpendicular recording with transducer having...
- Patent number 7,095,585
- Issue date Aug 22, 2006
- Seagate Technology LLC
- Alexander P. Payne
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular recording magnetic head with a write shield magnetica...
- Patent number 7,031,121
- Issue date Apr 18, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Gautam Khera
- G11 - INFORMATION STORAGE
Information Patent Grant
Contact planar magnetoresistive head
- Patent number 6,535,361
- Issue date Mar 18, 2003
- Censtor Corp.
- William C. Cain
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for etching gap-vias in a magnetic thin film head and product
- Patent number 6,391,212
- Issue date May 21, 2002
- Uri Cohen
- G11 - INFORMATION STORAGE
Information Patent Grant
Hard disk drive having ring head with predominantly perpendicular m...
- Patent number 6,320,725
- Issue date Nov 20, 2001
- Censtor Corporation
- Alexander P. Payne
- G11 - INFORMATION STORAGE
Information Patent Grant
Hard disk drive with magnetoresistive head and perpendicular media
- Patent number 6,212,047
- Issue date Apr 3, 2001
- Censtor Corporation
- Alexander P. Payne
- G11 - INFORMATION STORAGE
Information Patent Grant
Contact planar magnetoresistive head
- Patent number 6,198,607
- Issue date Mar 6, 2001
- Censtor Corporation
- William C. Cain
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for etching gap-vias in a magnetic thin film head and product
- Patent number 5,945,007
- Issue date Aug 31, 1999
- Uri Cohen
- G11 - INFORMATION STORAGE
Information Patent Grant
Pinched-gap magnetic recording thin film head
- Patent number 5,888,411
- Issue date Mar 30, 1999
- Uri Cohen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of fabricating magnetic recording thin film head having pinc...
- Patent number 5,745,980
- Issue date May 5, 1998
- Uri Cohen
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film coil head assembly with protective planarizing cocoon str...
- Patent number 5,684,660
- Issue date Nov 4, 1997
- AIWA Research and Development, Inc.
- G. Robert Gray
- G11 - INFORMATION STORAGE
Information Patent Grant
Pinched-gap magnetic recording thin film head
- Patent number 5,673,163
- Issue date Sep 30, 1997
- Uri Cohen
- G11 - INFORMATION STORAGE
Information Patent Grant
Pinched-gap magnetic recording thin film head
- Patent number 5,621,595
- Issue date Apr 15, 1997
- Uri Cohen
- G11 - INFORMATION STORAGE
Information Patent Grant
Composite magnetic head
- Patent number 4,953,051
- Issue date Aug 28, 1990
- Sumitomo Special Metal Co. Ltd.
- Toshiaki Wada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head using a magnetic thin film and first, second and thir...
- Patent number 4,775,909
- Issue date Oct 4, 1988
- Canon Denshi Kabushiki Kaisha
- Shinichi Inoue
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAIN POLE LAYER WITH AT LEAST TWO SACRIFICIAL LAYERS AND A GAP LAYER
- Publication number 20160078887
- Publication date Mar 17, 2016
- SEAGATE TECHNOLOGY LLC
- Wei Tian
- G11 - INFORMATION STORAGE
Information Patent Application
GAP BETWEEN MAGNETIC MATERIALS
- Publication number 20140268415
- Publication date Sep 18, 2014
- SEAGATE TECHNOLOGY LLC
- Wei Tian
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEMS AND METHODS FOR MONITORING THE POWER OF A LIGHT SOURCE UTIL...
- Publication number 20140269236
- Publication date Sep 18, 2014
- WESTERN DIGITAL (FREMONT), LLC
- WILLIAM J. KOZLOVSKY
- G11 - INFORMATION STORAGE
Information Patent Application
Non-Uniform Write Gap Perpendicular Writer for Shingle Writing
- Publication number 20140016232
- Publication date Jan 16, 2014
- HEADWAY TECHNOLOGIES, INC.
- Lijie Guan
- G11 - INFORMATION STORAGE
Information Patent Application
Method of Forming a Non-Uniform Write Gap Perpendicular Writer for...
- Publication number 20140014617
- Publication date Jan 16, 2014
- HEADWAY TECHNOLOGIES, INC.
- Lijie Guan
- G11 - INFORMATION STORAGE
Information Patent Application
Non-uniform write gap perpendicular writer for shingle writing
- Publication number 20120314324
- Publication date Dec 13, 2012
- HEADWAY TECHNOLOGIES, INC.
- Lijie Guan
- G11 - INFORMATION STORAGE
Information Patent Application
Hard disk drive for perpendicular recording with transducer having...
- Publication number 20050094315
- Publication date May 5, 2005
- Seagate Technology LLC, a Delaware corporation
- Alexander P. Payne
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular recording magnetic head with a write shield magnetica...
- Publication number 20050024766
- Publication date Feb 3, 2005
- Hitachi Global Storage Technologies, Inc.
- Gautam Khera
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular recording magnetic head with a write shield magnetica...
- Publication number 20050024771
- Publication date Feb 3, 2005
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Application
Hard disk drive for perpendicular recording with transducer having...
- Publication number 20020093761
- Publication date Jul 18, 2002
- Alexander P. Payne
- G11 - INFORMATION STORAGE
Information Patent Application
Contact planar magnetoresistive head
- Publication number 20010055183
- Publication date Dec 27, 2001
- William C. Cain
- G11 - INFORMATION STORAGE

Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Main pole layer with at least two sacrificial layers and a gap layer

Method of forming a non-uniform write gap perpendicular writer for...

High frequency assisted magnetic recording head and disk device com...

Systems and methods for monitoring the power of a light source util...

Non-uniform write gap perpendicular writer for shingle writing

Non-uniform write gap perpendicular writer for shingle writing

Perpendicular recording magnetic head with a write shield megnetica...

Hard disk drive for perpendicular recording with transducer having...

Perpendicular recording magnetic head with a write shield magnetica...

Contact planar magnetoresistive head

Method for etching gap-vias in a magnetic thin film head and product

Hard disk drive having ring head with predominantly perpendicular m...

Hard disk drive with magnetoresistive head and perpendicular media

Contact planar magnetoresistive head

Method for etching gap-vias in a magnetic thin film head and product

Pinched-gap magnetic recording thin film head

Method of fabricating magnetic recording thin film head having pinc...

Thin film coil head assembly with protective planarizing cocoon str...

Pinched-gap magnetic recording thin film head

Pinched-gap magnetic recording thin film head

Composite magnetic head

Magnetic head using a magnetic thin film and first, second and thir...

Patents Applicationslast 30 patents

MAIN POLE LAYER WITH AT LEAST TWO SACRIFICIAL LAYERS AND A GAP LAYER

GAP BETWEEN MAGNETIC MATERIALS

SYSTEMS AND METHODS FOR MONITORING THE POWER OF A LIGHT SOURCE UTIL...

Non-Uniform Write Gap Perpendicular Writer for Shingle Writing

Method of Forming a Non-Uniform Write Gap Perpendicular Writer for...

Non-uniform write gap perpendicular writer for shingle writing

Hard disk drive for perpendicular recording with transducer having...

Perpendicular recording magnetic head with a write shield magnetica...

Perpendicular recording magnetic head with a write shield magnetica...

Hard disk drive for perpendicular recording with transducer having...

Contact planar magnetoresistive head