with "composite" cores

Industry

CPC
G11B5/1274

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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

G11B5/1274with "composite" cores

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Hard disk drive with composite permanent magnet
- Patent number 11,423,930
- Issue date Aug 23, 2022
- Kaizhong Gao
- G11 - INFORMATION STORAGE
Information Patent Grant
MAMR head with synthetic antiferromagnetic (SAF) coupled notch
- Patent number 11,211,083
- Issue date Dec 28, 2021
- Western Digital Technologies, Inc.
- Yuankai Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Electromagnetic data storage devices having improved magnetic struc...
- Patent number 9,704,512
- Issue date Jul 11, 2017
- Peacekeepers (International) Ltd.
- Christopher Binns
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Tape head with write pole having multiple layers superimposed in a...
- Patent number 9,570,097
- Issue date Feb 14, 2017
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-resistance effect element, magnetic head assembly, magnetic...
- Patent number 8,824,108
- Issue date Sep 2, 2014
- Kabushiki Kaisha Toshiba
- Yoshihiko Fuji
- G11 - INFORMATION STORAGE
Information Patent Grant
Transducing head including a magnetic element exhibiting varying pe...
- Patent number 7,561,380
- Issue date Jul 14, 2009
- Seagate Technology LLC
- Nurul Amin
- G11 - INFORMATION STORAGE
Information Patent Grant
Transducing head including a magnetic element exhibiting varying pe...
- Patent number 7,382,575
- Issue date Jun 3, 2008
- Seagate Technology LLC
- Nurul Amin
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with optimum aspect ratio of upper shield layer
- Patent number 7,336,450
- Issue date Feb 26, 2008
- Alps Electric Co., Ltd.
- Tomohiro Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Bottom pole structure with back-side steps
- Patent number 7,327,532
- Issue date Feb 5, 2008
- Headway Technologies, Inc.
- Kenichi Takano
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing coil component
- Patent number 7,318,269
- Issue date Jan 15, 2008
- TDK Corporation
- Makoto Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic sensing element including a pair of antiferromagnetic laye...
- Patent number 7,212,383
- Issue date May 1, 2007
- Alps Electric Co., Ltd.
- Naoya Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Nanoclustered magnetic materials for high moment write pole applica...
- Patent number 7,128,986
- Issue date Oct 31, 2006
- Seagate Technology, LLC
- Robert W. Lamberton
- G11 - INFORMATION STORAGE
Information Patent Grant
Integrated bidirectional Recording head micropositioner for magneti...
- Patent number 6,859,346
- Issue date Feb 22, 2005
- Dallas W. Meyer
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having a core portion of polycrystalline MnZn ferrofe...
- Patent number 6,088,198
- Issue date Jul 11, 2000
- U.S. Philips Corporation
- Mark T. Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing apparatus having ring-type magne...
- Patent number 5,912,783
- Issue date Jun 15, 1999
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproduction apparatus ring-type magnetic he...
- Patent number 5,901,012
- Issue date May 4, 1999
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a composite metal and ferrite head transducer
- Patent number 5,826,326
- Issue date Oct 27, 1998
- Ampex Corporation
- Beverley R. Gooch
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for forming a transducing head
- Patent number 5,778,514
- Issue date Jul 14, 1998
- DAS Devices, Inc.
- Shyam Chandra Das
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic core and magnetic head using the same
- Patent number 5,736,264
- Issue date Apr 7, 1998
- NEC Corporation
- Nobuyuki Ishiwata
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film type magnetic head having an auxiliary magnetic film
- Patent number 5,726,842
- Issue date Mar 10, 1998
- Matsushita Electric Industrial Co., Ltd.
- Taiichi Mori
- G11 - INFORMATION STORAGE
Information Patent Grant
Composite magnetic head including a slider plate and a back board
- Patent number 5,717,543
- Issue date Feb 10, 1998
- Hitachi Metals, Ltd.
- Shinichi Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc apparatus
- Patent number 5,668,685
- Issue date Sep 16, 1997
- Hitachi, Ltd.
- Susumu Soeya
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and method for manufacture thereof
- Patent number 5,666,249
- Issue date Sep 9, 1997
- Sony Corporation
- Hiroyuki Ohmori
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic head
- Patent number 5,636,433
- Issue date Jun 10, 1997
- Goldstar Co., Ltd.
- Nam S. Kang
- G11 - INFORMATION STORAGE
Information Patent Grant
Composite metal and ferrite head transducer and manufacturing metho...
- Patent number 5,602,704
- Issue date Feb 11, 1997
- Ampex Corporation
- Beverly R. Gooch
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape head with a high saturation flux density magnetic pol...
- Patent number 5,594,608
- Issue date Jan 14, 1997
- Storage Technology Corporation
- Richard H. Dee
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating a magnetic head
- Patent number 5,584,116
- Issue date Dec 17, 1996
- Goldstar Co., Ltd.
- Sang Y. Yoon
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having separate fusion glass and laminating glass wit...
- Patent number 5,519,556
- Issue date May 21, 1996
- Sony Corporation
- Tadashi Saito
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for a hard disk device having a non-magnetic trailing...
- Patent number 5,481,425
- Issue date Jan 2, 1996
- Mitsumi Electric Co., Ltd.
- Hiroshi Sampei
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic head
- Patent number 5,333,372
- Issue date Aug 2, 1994
- Kabushiki Kaisha Toshiba
- Yoshiharu Fujioka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Composite Permanent Magnet
- Publication number 20240321294
- Publication date Sep 26, 2024
- Kaizhong Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Hard Disk Drive with Composite Permanent Magnet
- Publication number 20220139420
- Publication date May 5, 2022
- Kaizhong Gao
- G11 - INFORMATION STORAGE
Information Patent Application
CONTROLLING MAGNETIC LAYER ANISOTROPY FIELD BY OBLIQUE ANGLE STATIC...
- Publication number 20150154986
- Publication date Jun 4, 2015
- HGST NETHERLANDS B.V.
- James M. Freitag
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING MAGNETIC HEAD
- Publication number 20150144592
- Publication date May 28, 2015
- Kabushiki Kaisha Toshiba
- Hitoshi IWASAKI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETO-RESISTANCE EFFECT ELEMENT, MAGNETIC HEAD ASSEMBLY, MAGNETIC...
- Publication number 20130242435
- Publication date Sep 19, 2013
- Kabushiki Kaisha Toshiba
- Yoshihiko FUJI
- G01 - MEASURING TESTING
Information Patent Application
TRANSDUCING HEAD INCLUDING A MAGNETIC ELEMENT EXHIBITING VARYING PE...
- Publication number 20080186636
- Publication date Aug 7, 2008
- Seagate Technology LLC
- Nurul Amin
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head with optimum aspect ratio of upper shield layer
- Publication number 20060039088
- Publication date Feb 23, 2006
- Alps Electric Co., Ltd.
- Tomohiro Yamashita
- G11 - INFORMATION STORAGE
Information Patent Application
Bottom pole structure with back-side steps
- Publication number 20050190493
- Publication date Sep 1, 2005
- HEADWAY TECHNOLOGIES, INC.
- Kenichi Takano
- G11 - INFORMATION STORAGE
Information Patent Application
Nanoclustered magnetic materials for high moment write pole applica...
- Publication number 20050084668
- Publication date Apr 21, 2005
- Seagate Technology LLC
- Robert W. Lamberton
- G11 - INFORMATION STORAGE
Information Patent Application
Transducing head design with low erasure field
- Publication number 20050068670
- Publication date Mar 31, 2005
- Seagate Technology LLC
- Nurul Amin
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing coil component
- Publication number 20050050717
- Publication date Mar 10, 2005
- TDK Corporation
- Makoto Yoshida
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic sensing element including a pair of antiferromagnetic laye...
- Publication number 20040141257
- Publication date Jul 22, 2004
- Alps Electric Co., Ltd.
- Naoya Hasegawa
- G11 - INFORMATION STORAGE

with "composite" cores

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Hard disk drive with composite permanent magnet

MAMR head with synthetic antiferromagnetic (SAF) coupled notch

Electromagnetic data storage devices having improved magnetic struc...

Tape head with write pole having multiple layers superimposed in a...

Magneto-resistance effect element, magnetic head assembly, magnetic...

Transducing head including a magnetic element exhibiting varying pe...

Transducing head including a magnetic element exhibiting varying pe...

Magnetic head with optimum aspect ratio of upper shield layer

Bottom pole structure with back-side steps

Method of manufacturing coil component

Magnetic sensing element including a pair of antiferromagnetic laye...

Nanoclustered magnetic materials for high moment write pole applica...

Integrated bidirectional Recording head micropositioner for magneti...

Magnetic head having a core portion of polycrystalline MnZn ferrofe...

Magnetic recording and reproducing apparatus having ring-type magne...

Magnetic recording and reproduction apparatus ring-type magnetic he...

Method for manufacturing a composite metal and ferrite head transducer

Method for forming a transducing head

Magnetic core and magnetic head using the same

Thin-film type magnetic head having an auxiliary magnetic film

Composite magnetic head including a slider plate and a back board

Magnetic disc apparatus

Magnetic head and method for manufacture thereof

Method of manufacturing a magnetic head

Composite metal and ferrite head transducer and manufacturing metho...

Magnetic tape head with a high saturation flux density magnetic pol...

Method for fabricating a magnetic head

Magnetic head having separate fusion glass and laminating glass wit...

Magnetic head for a hard disk device having a non-magnetic trailing...

Method of manufacturing a magnetic head

Patents Applicationslast 30 patents

Composite Permanent Magnet

Hard Disk Drive with Composite Permanent Magnet

CONTROLLING MAGNETIC LAYER ANISOTROPY FIELD BY OBLIQUE ANGLE STATIC...

METHOD FOR MANUFACTURING MAGNETIC HEAD

MAGNETO-RESISTANCE EFFECT ELEMENT, MAGNETIC HEAD ASSEMBLY, MAGNETIC...

TRANSDUCING HEAD INCLUDING A MAGNETIC ELEMENT EXHIBITING VARYING PE...

Magnetic head with optimum aspect ratio of upper shield layer

Bottom pole structure with back-side steps

Nanoclustered magnetic materials for high moment write pole applica...

Transducing head design with low erasure field

Method of manufacturing coil component

Magnetic sensing element including a pair of antiferromagnetic laye...