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7293345 Method of manufacturing a thin film magnetic recording head  
A invention provides a method of manufacturing a thin film magnetic head is provided, capable of forming a magnetic pole layer as easily as possible. By etching a lower insulating layer and the...
7287314 One step copper damascene CMP process and slurry  
A Chemical Mechanical Polish (CMP) process and slurry therefore slurry that is capable of removing NiFe, SiO2, Photoresist, Ta, alumina and Cu at substantially the same rate. The slurry is useful...
7280313 High aspect ratio co-planar structure fabrication consisting of different materials  
A a method for fabricating a structure, such as a magnetic head, having two coplanar metallic features of different compositions, both deposited on their own seed layers. The features may be made...
7243411 Method for protecting write head coil during write pole/shaping  
A method for protecting a write head coil during write pole notching using ion mill resistant mask formed by reactive ion etching is disclosed. Ion mill shaping of the write pole is performed after...
7231705 Method for forming a resist pattern of magnetic device  
A pattern forming method includes forming a resist pattern for lift off of a first film disposed on a surface side of a base, patterning the first film by dry etching using the resist pattern as a...
7228619 Method of manufacturing a magnetic head with common seed layer for coil and pedestal  
A method for fabricating a coil and pedestal for a write head using a common seed layer is described. A nonmetallic gap layer is deposited on a planarized pole piece surface. Openings for the pole...
7222410 Method of assembly of a disk drive including engaging first and second VCM plates while maintaining a holding force against the first VCM plate  
A method of assembly of a disk drive including providing a disk drive base. The method further includes providing a first VCM plate with an attached first magnet. The method further includes...
7219414 Method of manufacturing magnetic head for perpendicular magnetic recording  
A main pole layer of a magnetic head includes a first portion disposed at a distance from a medium facing surface, and a second portion that is smaller in thickness than the first portion and...
7216419 Method of manufacturing a high-frequency coil device  
In a high-frequency coil device having small dispersion in coil inductance and suitable for use in GHz band and a method of manufacturing the high-frequency coil device, a spirally-shaped...
7213326 Method of manufacturing a horizontal thin film write, MR read head  
A horizontal combined head is provided which has both a thin film write and an MR read element located at an air bearing surface (ABS). The read element can be formed with a track width that is...
7194798 Method for use in making a write coil of magnetic head  
Methods suitable for use in making a write coil of a magnetic head includes the steps of forming a seed layer made of ruthenium (Ru) over a substrate; forming, over the seed layer, a patterned...
7168156 Method of manufacturing a thin-film magnetic head  
A thin-film magnetic head comprises first and second magnetic pole groups, magnetically connected to each other, having respective magnetic pole parts opposing each other on a side of a...
7159301 Method of manufacturing a slider of a thin-film magnetic head  
A method of manufacturing a slider comprises the steps of: forming a slider material including a substrate, a thin-film magnetic head element and an insulating portion; forming a first surface in...
7155809 Method of manufacturing thin-film magnetic head  
A method of manufacturing a thin-film magnetic head comprises the steps of forming a first pole layer, forming a gap layer on a pole portion of the first pole layer, and forming a second pole layer...
7150094 Method of stiffening an actuator comb and coil assembly  
A voice coil and actuator yoke assembly is fabricated by deforming the coil to exactly fit the inner perimeter and thickness of the yoke. The comb is placed in a tool that registers the comb with...
7137191 Method for manufacturing magnetic head  
A first insulating layer is formed on a main magnetic pole used as a magnetic pole layer to have a protruding portion and a flat portion formed around the protruding portion. A second insulating...
7131185 Method of manufacturing magnetic recording medium  
A method for manufacturing a magnetic recording medium, including the steps of applying a magnetic coating containing ferromagnetic powder and a binder onto a nonmagnetic band-shaped flexible base...
7127800 Narrow write head pole tip fabricated by sidewall processing  
The magnetic head includes a P 2 pole tip in which the P 2 pole tip material is electroplated upon a sidewall of the P 2 pole tip photolithographic trench. To accomplish this, a block of...
7120990 Method for manufacturing thin film magnetic head with improved performance  
A method of manufacturing a thin film magnetic head. The method includes forming, near a pole portion: a first magnetic layer supported by a base substrate; a first insulating layer on the first...
7117583 Method and apparatus using a pre-patterned seed layer for providing an aligned coil for an inductive head structure  
A method and apparatus using a pre-patterned seed layer for providing an aligned coil for an inductive head structure. The method uses an aligned process where the base plate imprint is fabricated...
7111387 Method of manufacturing a thin film magnetic head comprising an insulating layer provided between a core and coil  
A method of manufacturing a thin film magnetic head comprising an insulating layer provided between a core and a coil is provided. Also provided is a method for forming an inorganic insulation...
7111384 Method for manufacturing magnetic head including coil  
A method for manufacturing a magnetic recording head includes the steps of forming a first lifting layer and a second lifting layer on a bottom core layer, forming an inorganic insulating layer in...
7100268 Method of making a magnetic head  
A method of making a magnetic head includes imbedding a coil layer in an insulation stack. The coil layer is formed with a filament that extends about a central axis. The central axis is...
7089651 Process of manufacturing coil layers using a novel combination of photoexposure and thermal curing to achieve shape control of a photoresist material  
A method for forming at least two layers of electrical coils and their supportive resistive layers for a magnetic write head having an ultra-short yoke so that the second and any additional coil...
7062839 Method of manufacturing thin-film magnetic head  
In a method of manufacturing a thin-film magnetic head, a bottom pole layer is formed and a thin-film coil is formed on the bottom pole layer. A recording gap layer is then formed on the pole...
7032295 Method of manufacturing a thin-film magnetic head  
A method of manufacturing a thin-film magnetic head may include forming a first magnetic layer, a thin-film coil, an insulating layer, a gap layer, and a second magnetic layer. The first magnetic...
6983530 Method of making a dual GMR read head with self-pinned layer and specular reflector  
A dual GMR or dual spin valve sensor has a self-pinned layer which has its magnetic moment pinned perpendicular to an air bearing surface by sense current fields from conductive layers in the dual...
6977796 Wiring pattern and method of manufacturing the same and thin film magnetic head and method of manufacturing the same  
A bottom track pole is formed on a surface of a bottom pole, a thin film coil is formed on the bottom pole to form a flat coplanar surface with the bottom track pole, a write gap film is formed on...
6926588 Band coil  
The invention relates to a method of manufacturing a band coil by means of a material-removing process performed on the coils so as to obtain a band coil which has a profile in the direction of the...
6925702 Method of making a horizontal thin film write and read head  
A horizontal combined head is provided which has both a thin film write and an MR read element located at an air bearing surface (ABS). The read element can be formed with a track width that is...
6920681 Method of preparing an electromagnetic actuator using a substrate  
An electromagnetic actuator includes a stationary member, a movable member magnetically coupled with the stationary member with a gap therebetween, and a support member for displaceably supporting...
6901653 Process for manufacturing a magnetic head coil structure  
A Damascene process is provided for manufacturing a coil structure for a magnetic head. During the manufacturing process, an insulating layer is initially deposited after which a photoresist layer...
6898157 Optical head having a plurality of coil elements connected in parallel to each other  
A coil assembly includes a coil arranged around a vertical axis, and a supporting member for carrying the coil. The supporting member is formed with a through hole corresponding to the vertical...
6868600 Method of manufacturing a thin film magnetic head  
A method of manufacturing a thin film magnetic head having superior overwrite characteristics as well as an extremely small pole width is disclosed. The thin film magnetic head has a thin film coil...
6851179 Magnetic head producing method  
The present invention provides a method for producing a magnetic head whose reproduction waveform has small distortions, and forming a hard magnetism layer for applying a bias magnetic field to a...
6810578 Method of manufacturing thin film magnetic head with improved performance  
A method of manufacturing a thin film magnetic head. The method includes forming, near a pole portion: a first magnetic layer supported by a base substrate; a first insulating layer on the first...
6804879 Method of fabricating a magnetic transducer with a write head having a multi-layer coil  
A method for producing a magnetic transducer with a inductive write head having a multilayer coil with a high aspect ratio and a short yoke is provided. A damascene process is used for two coil...
6785953 Process of fabricating a write head with protection of a second pole tip thickness  
A method of making a magnetic head, which has an air bearing surface (ABS) and a back gap (BG), comprising the steps of: forming a second pole tip of a second pole piece with a top surface and a...
6729012 Method of manufacturing a thin-film magnetic head  
A method of manufacturing a thin-film magnetic head comprises the steps of forming a bottom pole layer, forming a gap layer, forming a top pole layer, and forming a thin-film coil. The thin-film...
6725527 Method of making a magnetic head assembly having open yoke write head with highly defined narrow track width  
A magnetic head assembly has an open yoke type write head constructed on top of a read head so that the write head can be constructed with a very narrow track width without restraint by the...
6722019 Method of making horizontal thin film write, MR read head  
A horizontal combined head is provided which has both a thin film write and an MR read element located at an air bearing surface (ABS). The read element can be formed with a track width that is...
6609291 Method of manufacturing a thin film magnetic head  
A method of manufacturing a thin film magnetic head including the steps of forming a first magnetic layer, a band-shaped insulating layer, a gap layer, a second magnetic layer, a thin film coil, a...
6594884 Method of making a multilayered pinned layer structure for improved coupling field and GMR for spin valve  
A method of making a multifilm structure is provided for a pinned layer structure of a spin valve sensor for increasing the magnetoresistive coefficient (dr/R) of the sensor and/or decreasing a...
6578252 Method of manufacturing a thin film magnetic head  
A method of manufacturing a thin film magnetic head allowing high performance head characteristics to be achieved without complicating manufacturing steps. At the same time an insulating film...
6557241 Method of manufacturing combination type thin film magnetic head and wafer for use therefor  
A process of forming a combination-type thin film magnetic head on a wafer is disclosed wherein plural polished amount-monitoring elements are formed at the same time as formation of the members...
6530141 Method of forming thin film magnetic recording head with narrow track width performing high density recording at high driving frequency  
A method of forming a thin film magnetic head, including forming a first magnetic layer, forming a second magnetic layer as a magnetic flux passage in combination with the first magnetic layer, and...
6335846 Vertical magnetic head having a magnetic circuit with a non-embedded part and having an integrated coil surrounding the non-embedded part  
Magnetic head for use in magnetic recording and including an integrated coil having at least one winding around a non-embedded part of the magnetic circuit. The winding includes a lower sheet of...
6163435 Vertical magnetic head having a magnetic circuit with a non-embedded part and having an integrated coil surrounding the non-embedded part  
Magnetic head for use in magnetic recording and including an integrated coil having at least one winding around a non-embedded part of the magnetic circuit. The winding includes a lower sheet of...
5666717 Method for manufacturing a magnetic head suspension  
A method of manufacturing a magnetic head suspension assembly, wherein a wiring member for connecting a magnetic head element with a read/write amplifier circuit board is integrally formed with the...
5622625 Method of manufacturing a drum  
A rotary drum type device for separating solid particles from a liquid includes a rotary screen drum having support rods extending in the axial direction and arranged cylindrically and having a...
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