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Class Information
Number: 360/120
Name: Dynamic magnetic information storage or retrieval > Head > Gap structure details > Spacer material
Description: Subject matter including a specification of the material used as the gap spacer.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7268975 High data rate writer with low resistance coil and short yoke Sep. 11, 2007
7248431 Method of fabricating a perpendicular recording write head having a gap with two portions Jul. 24, 2007
7230793 Magnetic recording head with anisotropic medium placed between poles Jun. 12, 2007
7215511 Magnetic write head with gap termination less than half distance between pedestal and back gap May. 8, 2007
7095585 Hard disk drive for perpendicular recording with transducer having submicron gap between pole tips Aug. 22, 2006
7012783 Sealing glass for magnetic head, magnetic head, and magnetic recording/reproducing device Mar. 14, 2006
6972928 Isotropic deposition for trench narrowing of features to be created by reactive ion etch processing Dec. 6, 2005
6885526 Thin film magnetic head comprising SiON film Apr. 26, 2005
6842306 Magnetic head having highly thermally conductive insulator materials containing cobalt-oxide Jan. 11, 2005
6833976 Thin film magnetic recording inductive write head with laminated write gap Dec. 21, 2004
6780524 In-situ oxidized films for use as gap layers for a spin-valve sensor and methods of manufacture Aug. 24, 2004
6709767 In-situ oxidized films for use as cap and gap layers in a spin-valve sensor and methods of manufacture Mar. 23, 2004
6694604 Method of making a write head with self-aligned pedestal shaped pole tip which are separated by a zero throat height defining layer Feb. 24, 2004
6694603 Process of forming a magnetic microactuator Feb. 24, 2004
6671126 Overvoltage protection device Dec. 30, 2003
6647613 Method of making a magnetic write head and in-process head structures Nov. 18, 2003
6631050 Sealing glass for magnetic head and magnetic head using the same Oct. 7, 2003
6612017 Method of making a write head with multi-stitched second pole piece Sep. 2, 2003
6600629 Thin film magnetic head having gap layer made of nip and method of manufacturing the same Jul. 29, 2003
6591478 Method of producing magnetic head Jul. 15, 2003
6588091 Method of making magnetic head with precisely defined zero throat height Jul. 8, 2003
6557242 Method of making a write head with self-aligned pedestal shaped pole tips that are separated by a zero throat height defining layer May. 6, 2003
6512655 Magnetic head with sealing glass composition Jan. 28, 2003
6433958 Magnetic head, method for producing the same, video recording and reproduction apparatus including the magnetic head, and video camera including the magnetic head Aug. 13, 2002
6392840 Planarized side by side design of an inductive writer and single metallic magnetoresistive reader May. 21, 2002
6329087 Wafer for magnetic head and magnetic head Dec. 11, 2001
6296955 High moment and high permeability transducer structures and formation Oct. 2, 2001
6278580 Composite type thin film magnetic head that includes a pole chip and a top pole and an insulating layer that acts as an etching stopper during anisotropic etching Aug. 21, 2001
6239948 Non-magnetic nickel containing conductor alloys for magnetic transducer element fabrication May. 29, 2001
6150044 Magnetic head Nov. 21, 2000
6072667 Method and apparatus for analysis of magnetic characteristics of magnetic device, magnetic head, and magnetic recording and reproducing apparatus Jun. 6, 2000
5948554 Magnetic head Sep. 7, 1999
5949625 Combination read/write thin film magnetic head with slant surfaces extending from lower core layer prominence Sep. 7, 1999
5945227 Magnetic head Aug. 31, 1999
5943195 Magnetic head apparatus and magnetic recording apparatus using thereof Aug. 24, 1999
5932504 Glass composition and magnetic head employing glass composition Aug. 3, 1999
5917682 Magnetic head and manufacturing method therefor Jun. 29, 1999
5904996 Method of manufacturing a magnetic field sensor May. 18, 1999
5901012 Magnetic recording and reproduction apparatus ring-type magnetic head for recording signals to recording medium having oblique axis of easy magnetization May. 4, 1999
5828533 Thin film magnetic head with differing saturation magnetic flux density films and spacer between floating surface and coil patterns Oct. 27, 1998
5815909 Method of making a thin film magnetic head including protected via connections through an electrically insulative substrate Oct. 6, 1998
5761789 Method of producing a magnetic head Jun. 9, 1998
5756201 Magnetic thin film for magnetic head, method of manufacturing the same, and magnetic head May. 26, 1998
5736264 Magnetic core and magnetic head using the same Apr. 7, 1998
5734535 Magnetic head with a useable lifetime detection mechanism Mar. 31, 1998
5708543 Magnetic head with glass used to bond together two core halves having a coefficient of thermal expansion less than that of the ferromagnetic oxide used to make the core halves Jan. 13, 1998
5708544 Magnetic head Jan. 13, 1998
5687045 Thin film magnetic head and production method thereof and magnetic disk drive equipped with this thin film magnetic head Nov. 11, 1997
5675460 Magnetic head and method of producing the same Oct. 7, 1997
5659450 Thin film recording head having enhanced electrical insulative properties Aug. 19, 1997

1 2 3 4

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