Matches 301 - 350 out of 459 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
6256864 Process for producing an assembly having several magnetic heads and multiple head assembly obtained by this process  
Process for the production of an assembly having several magnetic heads and multiple head assembly obtained by said process. Production takes place of a first substrate (60) with first pole pieces...
6253445 Planar thin film head and method for forming a gap of a planar thin film magnetic head  
A method for forming a gap of a planar thin film magnetic head and a planar thin film magnetic head formed thereby, includes a photoresist having a stepped surface is formed at one side from the...
6243939 High ion beam etch selectivity for partial pole trim application  
A method of manufacturing a magnetic transducer structure using a special pole etch using an IBE preferably with Kr or Xe, and a write gap material with a high IBE etch rate such as Ta, NiCu...
6233813 Method of manufacturing thin film head  
A method of manufacturing a thin film magnetic head, in which throat height TH of a pole portion and MR height MRH can be formed accurately to have desired design values for improving a surface...
6230389 Method for fabricating a magnetoresistive (MR) stripe height lapping monitor with improved linearity  
A method for forming a magnetoresistive (MR) lapping monitor, and a magnetoresistive (MR) lapping monitor formed employing the method. To practice the method, there is first provided a substrate....
6226860 Method of forming an inductive writer having a high conductor/insulator ratio  
A method of fabricating a coil structure for use in a writer portion of a recording head is disclosed. The method comprises fabricating a bottom pole. A bottom insulating layer is fabricated on the...
6224719 Sputtering method of manufacturing Fe-Ai-N-O laminated films using N2O as the reactive gas  
A shield and/or pole piece layer for a magnetoresistive (MR) head made of a high moment Fe--Al--N--O laminated film is disclosed. The Fe--Al--N--O laminated film is manufactured using N 2 O as the...
6223420 Method of making a read head with high resistance soft magnetic flux guide layer for enhancing read sensor efficiency  
A read head has a flux guide layer that is immediately adjacent (abuts) the back edge of a read sensor. The flux guide layer is made of a high resistance soft magnetic material that conducts...
6221172 Manufacturing method of spin-valve magnetoresistive thin film element  
A spin-valve magnetoresistive element includes a plurality of layers. The magnetic moment of a first pinned magnetic layer is smaller than the magnetic moment of a second pinned magnetic layer. In...
6209192 Thin film magnetic head with magnetically insulating layer for suppressing undershoots, and method of fabricating the same  
A thin film magnetic head has first and second magnetic pole layers and, a thin film coil, a magnetic gap layer, and a magnetically insulating layer. The magnetically insulating layer is disposed...
6199267 Method for the production of a magnetic head  
A method for the production of a magnetic head, where first a lower magnetic pole is formed on a wafer. Next, a nonmagnetic write gap layer is formed on the lower magnetic pole. A coil is then...
6176005 Method of making read head with improved lead layers  
The present invention extends the high resistance lead layers of a read head straight back into the head from each of the first and second edges of the read sensor. This lessens the length of each...
6167611 Process for producing a vertical magnetic head  
A process for producing a vertical magnetic head for reading information from a magnetic media. The head includes a substrate on which is mounted an amagnetic spacer extending perpendicular to the...
6158108 Method of making magnetic head with vialess lead layers from MR sensor to pads  
A magnetic head is provided that has an extremely small first shield layer and first and second leads of a read head that extend from a magnetoresistive (MR) sensor to first and second pads without...
6141859 Method for making a merged head device  
A merged head device which has: a slider main body with an air bearing surface to a magnetic medium; two magnetic shield films which are parallel disposed on a common plane with a predetermined...
6131271 Method of planarizing first pole piece layer of write head by lapping without delamination of first pole piece layer from wafer substrate  
A method planarizes a first pole piece layer of a write head by lapping without delaminating the first pole piece layer from an underlying second read gap layer on a wafer substrate. This is...
6119331 Notching the first pole piece of a write head with a notching layer in a combined magnetic head  
In the manufacture of a combined magnetic head, milling time for notching a first pole piece of the head's write element is reduced by constructing the first pole piece with a notching layer on a...
6112402 Method for manufacturing magnetoresistive sensor  
A magnetoresistive sensor fabricated by creating first antiferromagnetic layers on the upper surfaces of a lower-gap layer the antiferromagnetic layer having first and second exposed portions...
6105237 Method of making spin value read head with low moment, high coercivity pinning layer  
A spin valve sensor is provided with a spacer layer sandwiched between a free layer and a pinned layer. The pinned layer is pinned by a pinning layer constructed of a material having a high...
6104189 Magnetoresistive sensor having at least one layer with a pinned magnetization direction  
A magnetoresistive spin valve sensor is described. Such a sensor is also known as a GMR sensor or giant magnetoresistive sensor. The layers (24, 26, 28) of the sensor are mounted on a substrate...
6094806 Method for fabricating a dual element head  
A method for fabricating a dual element head is disclosed. One embodiment includes first depositing a first head element upon a substrate and second depositing a second head element upon the first...
6069775 Inverted merged MR head with precise track width  
A method makes an inverted merged MR head with a second pole tip layer which is self-aligned with a top first pole tip layer. After forming a bottom first pole tip layer, which is relatively thin...
6067703 Method for fabricating a combined thin film magnetic head  
A combined thin film magnetic head includes a magnetoresistive reproducing head part and an inductive recording head part. The magnetoresistive reproducing head part is defined between a lower...
6047462 Method of making a combined type thin film magnetic head  
A magnetoresistive (MR) conversion element and an inductive conversion element are provided as parts of a combined type thin film magnetic head. The MR element is formed by placing a...
6038110 Dual header tape head design  
A thin-film magnetic head includes a substrate having first and second magnetic layers disposed above the substrate and formed as a laminated sequence of magnetic sub-layers. The first and second...
6029339 Method of making write head with recessed stitched yoke on a planar portion of an insulation layer defining zero throat height  
An inductive write head has a pole tip region between an air bearing surface (ABS) and a flare point, and a yoke region located between the flare point and a back gap. The write head includes first...
6026559 Method for fabricating a complex magnetic head including a reproducing magneto-resistance head  
A fabrication process for a complex magnetic head having a reproducing MR head and a recording ID head comprises the steps of forming the MR head, forming an insulator film on the MR head, forming...
6023840 Method of manufacturing a thin film magnetic head having an ultrathin silicon wear coating  
A single layer wear coating is provided for a magnetic head assembly. The single layer is silicon or silicon-based material with a thickness in the range of 30-75 Å. The single layer may be...
6018862 Thin-film magnetic recording head using a plated metal gap layer  
A first layer of magnetic material is deposited onto a substrate to form a bottom pole of an inductive transducer. A second layer of magnetic material is plated on the first layer of magnetic...
6012218 Process for producing thin film magnetic heads  
The invention provides a thin film magnetic head including an upper core layer 9 which comprises a front first core layer 91a formed on a gap spacer layer 6 and having the same width as a track...
5974657 Two step resetting of magnetization of spin valve read head at the row level  
A method is provided for resetting the magnetization of the pinned and hard biasing layers of a spin valve read head at the row level. In a first embodiment of the invention a first magnetic field...
5950301 Method for fabricating thin flim magnetic head including an elevated gap structure  
A thin film magnetic head is provided in which a magnetic yoke assembly is built up, layer by layer, atop a substrate using semiconductor thin film techniques. A lower yoke assembly is first...
5943763 Method of manufacturing a magneto-resistive reading head with reduced side-lobe  
A thin film magnetic head made of material having the magneto-resistance (MR) effect and its manufacturing method are provided. A lower shield layer for magnetically shielding an MR film is formed...
5939134 Process for making a thin film magnetic head  
An improved process for making thin film magnetic heads using an insulation comprising a polymer, a crosslinking agent, and 4-sulfonate diazonaphthoquinone.
5933940 Method of manufacturing a recording/reading matrix magnetic head  
A matrix type magnetic recording/reading head made in integrated fashion, including an electrically non-conductive ceramic substrate having a first main face and a second main face, each provided...
5920979 Method of forming an inductive magnetic head with approximate zero magnetostriction  
A low noise inductive magnetic head used for writing and reading magnetic signals onto and from a magnetic recording medium includes two magnetic poles P1, P2 that are formed on a substrate which...
5920980 Method of making a soft adjacent layer (SAL) magnetoresistive (MR) sensor element with electrically insulated soft adjacent layer (SAL)  
A soft adjacent layer (SAL) magnetoresistive (MR) sensor element and a method for fabricating the soft adjacent layer (SAL) magnetoresistive (MR) sensor element. To practice the method, there is...
5901432 Method for making a thin film inductive write head having a pedestal pole tip and an electroplated gap  
A method for making a merged thin film read/write head, where the first pole piece includes a pedestal or pole tip portion that extends up from the first pole piece layer, uses electroplating to...
5901431 Method of fabricating a thin film inductive head having a second pole piece having a mushroom yoke portion  
A method is disclosed for fabricating a high density recording head having a narrow, well-defined second pole tip for recording data with an areal density in the range of 5 gigabits. The second...
5890278 Method of manufacturing a magnetic head having a structure of layers  
Method of manufacturing a multilayer thin film magnetic head having reproducibly narrow gap widths, by: providing a stepped non-magnetic basic layer; providing a stepped magnetically...
5875542 Method of making thin film merged magnetoresistive heads  
Methods for fabricating merged magnetic heads, employing an inductive write head and a magnetoresistive (MR) read head which share portions of the overall magnetic structure, provide for accurate...
5867890 Method for making a thin film merged magnetoresistive read/inductive write head having a pedestal pole tip  
A method is described for making a merged thin film read/write head where a common layer serves as both a magnetic shield for the magentoresistive read element and the first pole piece for the...
5855056 Method for fabricating magnetic heads having varying gap lengths on a common wafer  
An improved method for forming a magnetic head which efficiently allows multiple head elements of varying gap length to be located on a common wafer. A multiple gap magnetic head is formed by...
5815909 Method of making a thin film magnetic head including protected via connections through an electrically insulative substrate  
A method is provided for fabricating a thin film magnetic head including a plurality of layered components. One or more vias are formed through an electrically insulative substrate which includes...
5809637 Method of making a magnetic head assembly with write pole/shield structure  
A read/write magnetic head assembly includes an inductive write head and a magnetoresistive (MR) read head. The inductive write head includes first and second magnetic poles, P1 and P2...
5809636 Method of making a magnetoresistive thin film magnetic head with specific shapes of leads  
A lower shield has an area smaller than an upper shield. A lead is constituted of a thin lead portion and a thick lead portion, the thin lead portion being formed in a reproduction gap between the...
5802700 Method of making a planarized thin film magnetic write head with submicron trackwidth  
A method is provided for making a thin film magnetic write head with a notch structure located on top of one of two pole layers. The notch structure is a generally U-shaped thin film layer which...
5802701 Method of making an integrated suspension, actuator arm and coil assembly  
A method is provided for making an assembly that has an integrated suspension, actuator arm and actuator coil. At least one actuator coil layer is located in the actuator arm region. The actuator...
5805390 Method of fabricating magnetoresistive effect type magnetic head capable of preventing electrostatic damage  
A novel magtnetoresistive head unit includes an upper shield film and a lower shield film electrically connected to electrodes connected with an external source which are shorted by a shorting...
5784772 Method of simultaneously forming MR sensors in a dual element MR head  
The present invention discloses an improved structure and method of forming a dual magnetoresistive element head. The dual magnetoresistive element head includes a first and a second...
Matches 301 - 350 out of 459 < 1 2 3 4 5 6 7 8 9 10 >