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Class Information
Number: 428/813
Name: Stock material or miscellaneous articles > Magnetic recording component or stock > Magnetic head > Substrate composition
Description: Subject matter in which the laminate has the chemical composition of the substrate identified.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8318330 |
Magnetic read/write head substrate |
Nov. 27, 2012 |
| 8173281 |
Ceramic sinter, magnetic head substrate using the same, magnetic head and recording medium drive unit |
May. 8, 2012 |
| 8173563 |
Sintered body and production method thereof |
May. 8, 2012 |
| 8163830 |
Nanoclays in polymer compositions, articles containing same, processes of making same, and systems containing same |
Apr. 24, 2012 |
| 8110516 |
Sintered body and production method thereof |
Feb. 7, 2012 |
| 7910181 |
Method for preparation of anisotropic materials |
Mar. 22, 2011 |
| 7606010 |
Mg-Zn oxide tunnel barriers and method of formation |
Oct. 20, 2009 |
| 7446978 |
Magnetic slider and method of manufacturing magnetic head slider |
Nov. 4, 2008 |
| 7414002 |
Aluminum oxide-titanium nitride sintered body, manufacturing method thereof, and magnetic head substrate, ultrasonic motor and dynamic pressure bearing using the same |
Aug. 19, 2008 |
| 7381670 |
Material for magnetic head slider, magnetic head slider, and method of producing material for magnetic head slider |
Jun. 3, 2008 |
| 7300711 |
Magnetic tunnel junctions with high tunneling magnetoresistance using non-bcc magnetic materials |
Nov. 27, 2007 |
| 7294418 |
Magnetic film for magnetic head |
Nov. 13, 2007 |
| 7220498 |
Tunnel magnetoresistance element |
May. 22, 2007 |
| 7094480 |
Magnetic field sensor using magnetoresistance and method for making same |
Aug. 22, 2006 |
| 7045224 |
Magnetic detecting element having antiferromagnetic film having predetermined space in track width direction and method for manufacturing the same |
May. 16, 2006 |
| 7029771 |
Magnetic sensor having free layer additionally provided with magnetic anisotropy by shape anisotropy |
Apr. 18, 2006 |
| 6967055 |
Thin-film magnetic head and method of forming the same |
Nov. 22, 2005 |
| 6835464 |
Thin film device with perpendicular exchange bias |
Dec. 28, 2004 |
| 6710986 |
Tunneling magnetoresistive head and a process of tunneling magnetoresistive head |
Mar. 23, 2004 |
| 6638596 |
Thin film magnetic head using soft magnetic film having soft magnetic characteristics of high resistivity, low coercive force, and high saturation magnetic flux density |
Oct. 28, 2003 |
| 6391431 |
Magnetoresistance effect film and magnetoresistance effect type head |
May. 21, 2002 |
| 6387550 |
Giant magnetoresistive material film, method of producing the same and magnetic head using the same |
May. 14, 2002 |
| 6329087 |
Wafer for magnetic head and magnetic head |
Dec. 11, 2001 |
| 6136459 |
Nonmagnetic substrate and magnetic head using the same |
Oct. 24, 2000 |
| 5811155 |
Method of fabricating a layered magnetic head |
Sep. 22, 1998 |
| 5629100 |
Non-magnetic single crystal Mn--Zn ferrite for floating type magnetic heads |
May. 13, 1997 |
| 5595830 |
Magnetoresistive structure with alloy layer having two substantially immiscible components |
Jan. 21, 1997 |
| 5290589 |
Process for coating a substrate with iron oxide and uses for coated substrates |
Mar. 1, 1994 |
| 5290738 |
Material for nonmagnetic oxide substrate and magnetic head |
Mar. 1, 1994 |
| 5246893 |
Ceramic sintered body and process for preparation thereof |
Sep. 21, 1993 |
| 5242865 |
Non-magnetic substrate of magnetic head |
Sep. 7, 1993 |
| 5231555 |
Magnetic head comprising a laminated magnetic layer structure between non magnetic rock salt structure oxide substrates |
Jul. 27, 1993 |
| 5217818 |
Substrate material for magnetic head and magnetic head using same |
Jun. 8, 1993 |
| 5057374 |
MnO/NiO-based nonmagnetic substrate material |
Oct. 15, 1991 |
| 5047296 |
Composite magnetic material and its production process |
Sep. 10, 1991 |
| 5034285 |
Magnetic head |
Jul. 23, 1991 |
| 5034273 |
Nitrogen-containing magnetic alloy film |
Jul. 23, 1991 |
| 5026614 |
Magnetic recording medium with a zinc cobalt oxide non-magnetic substrate containing nickel or manganese |
Jun. 25, 1991 |
| 4875987 |
Grooved magnetic substrates and method for producing the same |
Oct. 24, 1989 |
| 4863557 |
Pattern forming process and thin-film magnetic head formed by said process |
Sep. 5, 1989 |
| 4777074 |
Grooved magnetic substrates and method for producing the same |
Oct. 11, 1988 |
| 4681813 |
Ceramic substrate for a thin layer magnetic head |
Jul. 21, 1987 |
| 4650726 |
Ceramic substrate of Na.sub.2 O and Ta.sub.2 O.sub.5 for thin film magnetic head |
Mar. 17, 1987 |
| 4639400 |
Ceramic substrate of Na.sub.2 O and Nb.sub.2 O.sub.5 for magnetic metal thin film |
Jan. 27, 1987 |
| 4636420 |
Grooved magnetic substrates and method for producing the same |
Jan. 13, 1987 |
| 4608293 |
Composite substrate for a thin-film magnetic head |
Aug. 26, 1986 |
| 4540638 |
Non-magnetic substrate material |
Sep. 10, 1985 |
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