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Match Document Document Title
7428115 Magnetic hard disk drive with countermeasure against spike noise  
Embodiments of the invention provide a countermeasure against spike noise maintaining the data reliability of a magnetic recording layer. In one embodiment, the magnetic domain state right below...
7355813 Method of fabricating a narrow projection such as a write pole extending from a substrate  
An article is formed as a substrate having a projection extending outwardly therefrom. The article may be a magnetic recording head and the projection a write pole. The projection has a width in a...
7300712 Magnetic sensor and position detector  
In a magnetic sensor ( 1 ) including a substrate ( 10 ) having a magnetism-sensitive element ( 11 ) formed thereon, a hard membrane ( 14 ) is formed on the outermost surface, an organic film ( 13 )...
7294418 Magnetic film for magnetic head  
The magnetic film includes an FeCo layer, restrains erasing data by a magnetic field leaked from a magnetic pole, has high saturation magnetic flux density and soft magnetism and writes data with...
7288333 Magnetic film and thin film magnetic head using this magnetic film  
A soft magnetic film of the present invention is a plated film composed of Co and Fe, and columnar crystals extending in the film thickness direction are provided. In the present invention,...
7241515 Electrode layer for thin-film magnetic heads  
An electrode layer for thin-film magnetic heads includes a Ta base sub-layer, an Au sub-layer functioning as a main conductive sub-layer, and a protective sub-layer, those sub-layers being disposed...
7190550 Air bearing slider having a bearing profile contoured for pressurization proximate to nodal regions of a slider-disc interface  
An air bearing slider which includes a raised bearing surface or surfaces contoured to limit off nodal pressurization. The air bearing surfaces are located proximate to nodal regions of a height...
7173791 Ferroelectric device including a unit element having a topological outline in a C-shape or a S-shape  
A unit element of a magnetic device or a ferroelectric device and magnetic particles of a magnetic recording medium are provided. The outline of the unit element and the magnetic particles is...
7119537 Full track profile derivative method for read and write width measurements of magnetic recording head  
A method for measuring a magnetic read width MRW of a magnetic read sensor directly from the derivative of a full track profile, with better accuracy and more advantages than the micro-track method...
6969989 Method for characterizing a perpendicular recording head writing pole  
A method characterizes a generally-trapezoidally-shaped portion of a writing pole of a perpendicular magnetic write head in proximity to a magnetic medium. The method includes providing measured...
6917492 Magnetoresistive element and method for manufacturing the same and nonvolatile memory including the same  
A magnetoresistive element includes a pair of ferromagnetic layers and a non-magnetic layer arranged between the ferromagnetic layers. At least one of the ferromagnetic layers has a composition...
6861838 Magnetic detection element utilizing magneto-impedance effect, production method of the element, and portable equipment using the element  
A magnetic detection element suitable for detecting a strength of an external magnetic field, has a magnetic thin film formed on a single non-magnetic substrate, a circuit that applies a...
6841224 Method of patterning magnetic products using chemical reactions  
A method of patterning magnetic material includes forming a ferromagnetic material layer containing one element selected from the group consisting of Fe, Co and Ni on a substrate, selectively...
6813118 Transducing head having improved studs and bond pads to reduce thermal deformation  
A transducing head formed upon a slider has a transducer, an electrical contact layer, a stud electrically connected to the contact layer, and a bond pad electrically connected to the stud. The...
6797415 Cobalt-nickel-iron alloy thin film and method of forming the same, and thin-film magnetic head and method of manufacturing the same  
A track width defining layer for defining a write track width of a thin-film magnetic head is made of a CoNiFe film formed through electroplating. The CoNiFe film contains 60 to 75 weight % cobalt,...
6795263 Magnetic head  
In a high-frequency impedance type magnetic head having high impedance and capable of efficiently detecting a change in impedance, an electrically conductive metal film is sandwiched between two...
6794063 Thin film magnetic head and method of fabricating the head  
The present invention provides a thin film magnetic head having sufficient recording performance on a recording medium imparted with a large coercive force. According to the present invention, a...
6737281 Method of making transducer with inorganic nonferromagnetic apex region  
A method of making an inductive transducer having inorganic nonferromagnetic material disposed in an apex region adjacent to a submicron nonferromagnetic gap in a magnetic core. The inorganic...
6735046 Nano-magnetic head and nano-magnetic head device using the same  
A nano-magnetic head for inputting and outputting magnetic signals with nano-region precision on a magnetic recording medium such as magnetic tapes, magnetic cards, magnetic disks, magnetic drums,...
6713368 Etching mask and magnetic head device  
An etching mask is made of a metal such as Permalloy (NiFe) and has a T-shaped cross section made up of a vertical bar having width W 1 and a lateral bar having width W 2 . Through ion beam...
6700732 Method and apparatus for a vernier magnetic recording head  
A vernier magnetic recording head comprises multiple read and write transducers. The write transducers are equally spaced a first distance apart and the read transducers are equally spaced a second...
6650112 Magnetics impedance element having a thin film magnetics core  
A magnetic impedance element including a substrate made of a non-magnetic material, a thin-film magnetic core formed on said substrate, and first and second electrodes disposed on both ends of said...
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  
A soft magnetic film of the invention is to improve a resistivity ρ while maintaining a coercive force Hc and a saturation magnetic flux density Ms in good states by adding an element X (X is one...
6632520 Magnetic film  
Magnetic film comprising a substantially crystalline magnetic layer and an intermediate layer alternately formed in contact with each other, wherein the magnetic layer has composition (M 1 α 1 X 1...
6620530 Synthetic anti-parallel spin valve, having improved robustness, and process to manufacture it  
A spin valve structure and a method for manufacturing it are described. The spin valve uses a modified pinned layer that consists of two cobalt iron layers separated by a layer of either ruthenium,...
6590740 Shielded magnetic head and magnetic reproducing apparatus  
A shielded magnetic head includes a magnetically shielded gap and first to fourth conductive magnetic films disposed in the gap. The first to fourth conductive magnetic films, each extending...
6579665 Thin-film magnetic recording head manufacture  
This invention relates to a multi-layer lithographically fabricated device used to produce improved thin-film recording heads. It further relates to a focused particle beam system for milling a...
6538843 Magnetic head  
In a high-frequency impedance type magnetic head having high impedance and capable of efficiently detecting a change in impedance, an electrically conductive metal film is sandwiched between two...
6480411 Magnetoresistance effect type memory, and method and device for reproducing information from the memory  
A magnetoresistance effect type memory in and from which information is recorded and reproduced by utilizing a magnetoresistance effect comprises a substrate, a magnetoresistance film provided on...
6476485 Thin-film structure having reliably removable oxide layer formed on bump exposed at surface of insulating layer and manufacturing method therefor  
In a thin-film structure, since a flat face of a bump, which is exposed at the surface of an insulating layer and is to be in contact with an electrode layer, is an exposed surface of a nickel...
6472868 Magnetic impedance element having at least two thin film-magnetic cores  
A magnetic impedance element including a substrate made of a non-magnetic material, a thin-film magnetic core formed on said substrate, and first and second electrodes disposed on both ends of said...
6396774 Information reproducing device, information recording/reproducing head, and information reproducing method utilizing mono-magnetic domain structure  
An information reproducing head which uses a magnetic-substance chip having mono-magnetic domain structure as an information reproducing device so that information, which has been recorded on an...
6375063 Multi-step stud design and method for producing closely packed interconnects in magnetic recording heads  
A multi-step stud design and method for fabricating the same of special utility for producing closely packed interconnects in magnetic recording heads, particularly higher density magnetoresistive...
6368519 Etching method and a method of manufacturing a magnetic head  
A magnetic gap is formed to be vertical to the film forming surface of a substrate with high accuracy by a simple method. The method comprises a non-magnetic film forming step of forming a...
6362933 Piezoelectric head loading and unloading device for rigid disc drives  
A system for loading a transducing head ( 22 ) to a flying elevation proximate a rotating surface of a disc ( 16 ) is disclosed. The system includes a piezoelectric device ( 40 ) that is...
6351119 Magnetic detecting element utilizing magnetic impedance effect  
In a magnetic detecting element utilizing a magnetic impedance effect, a high-permeability magnetic film is formed on a non-magnetic substrate and has magnetic anisotropy in a predetermined...
6304083 Magnetic field sensor with colossal magneto-resistive material contained within the coil of an oscillator  
Sensors, systems and methods for measuring magnetic field strengths in both AC and DC magnetic fields by using CMR material in tunable, radio-frequency LC oscillators are disclosed.
6258283 Method of making magnetic resistance element  
The method of making the magnetic resistance element comprises the steps of: forming a first magnetizable layer, a non-magnetizable layer and a second magnetizable layer, in this order, on an...
6255813 Magnetic sensor comprising a soft magnetic thin film element  
A magnetic sensor (31) comprises an insulator substrate (37) having first and second surfaces opposite to each other, a soft magnetic element having first and second ends opposite to each other and...
6251532 Magnetic recording medium and magnetic storage device using the same  
A magnetic recording medium capable of reducing noise and an error rate of the medium comprises a nonmagnetic substrate; a magnetic layer formed on the surface of the nonmagnetic substrate directly...
6232775 Magneto-impedance element, and azimuth sensor, autocanceler and magnetic head using the same  
A magneto-impedance element comprises an alloy composed of at least one of Fe, Co and Ni. The alloy has a mixed texture of an amorphous phase and a fine crystalline phase having an average crystal...
6229307 Magnetic sensor  
A magnetic sensor includes: an oscillating circuit for allowing an a.c. magnetic field into a magnetic impedance element made of a ferromagnetic substance, having first and second electrodes on...
6211673 Apparatus for use in magnetic-field detection and generation devices  
A magnetic-field-detecting and/or generating apparatus comprises a non-ferromagnetic tip with a longitudinal member of ferromagnetic material embedded in the tip. Further, magnetic-shield means is...
6171716 Soft magnetic film, and thin film magnetic head, planer magnetic element, and filter using the soft magnetic film  
A soft magnetic film includes Fe as a major constituent; at least one element M selected from the group consisting of Zr, Hr, V, Nb, Ta, W, Mo, and rare earth elements (excluding Sm); at least one...
6143436 Magnetic recording medium and information recording-reproduction method using the same  
A magnetic recording medium having a recording layer made up of a ferrimagnetic material whose compensation temperature is included within room temperatures and an information...
6136902 Polyacetal resin compositions comprising boric acid  
To provide a polyacetal resin composition having an excellent corrosion inhibiting effect on metals, particularly reduced in the adverse effect on magnetic tapes or the like, and suitable for use...
6121770 Magnetic sensor using magnetic impedance of magnetic wire within biasing coil  
In a magnetic impedance device according to the present invention, an approximately uniformly biased magnetic field is applied to a sensing part of a magnetic wire in a longitudinal direction by...
6098880 Shaped magnetoresistive readers  
A magnetoresistive element has a height that extends from the air-bearing surface of a head. The height is determined by a slot in the head extending from the air-bearing surface adjacent the...
6072667 Method and apparatus for analysis of magnetic characteristics of magnetic device, magnetic head, and magnetic recording and reproducing apparatus  
A method and apparatus for analysis of magnetic characteristics of a magnetic device used for designing a magnetic head. The magnetic head has recording and reproducing characteristics and a...
6069770 Method for producing sliders  
A method for producing sliders without alumina overcoat protrusion on the air bearing surface. The method involves removing the alumina protrusion on the air bearing surface of a slider by...
Matches 1 - 50 out of 326 1 2 3 4 5 6 7 >