Matches 1 - 43 out of 43
Match Document Document Title
6985330 High efficiency side-by-side thin film head utilizing canted shield yokes  
The present invention is a side-by-side inductive head structure having a considerably reduced separation between the read and write elements of the head structure. The present invention also...
6975486 Thin film write head having a laminated, flat top pole with bottom shaper and method of fabrication  
A writer for high frequency, data storage heads. The writer includes a first magnetic pole upon which a write gap pedestal is formed with an upper pedestal layer of high moment material with a...
6952866 Method of manufacturing the thin film magnetic head  
Method of manufacturing a thin film magnetic head which can exhibit a high-performance head characteristic without complicating the manufacturing procedure. A coil connection is integrated into one...
6912106 Writer with a hot seed zero throat and substantially flat top pole  
A method and system for providing a recording head is disclosed. The method and system include providing a first pole, a second pole, a write gap and at least one coil. The write cap separates the...
6906893 Magnetic head coil and structure for protecting same during pole notch processing  
A system and method are provided for manufacturing a magnetic head. Initially, a coil structure, a first pole layer, and a gap layer are formed. A second pole layer is then deposited to form a pair...
6857181 Method of making a T-shaped write head with less side writing  
First, second and third pole tip components of a write head are formed with the second pole tip located between the first and third components and a write gap layer located between the first and...
6822833 Disc drive magnetic component with self assembled features  
A component for use in a disc drive includes a component substrate having a substrate surface. A self-assembled image layer is formed over the substrate surface. The self-assembled image layer...
6683749 Magnetic transducer having inverted write element with zero delta in pole tip width  
A method of fabrication and a magnetic transducer having an inverted write element with a zero delta in pole tip width to provide improved bi-directional control over write track width and written...
6651313 Method for manufacturing a magnetic head  
In the present method for manufacturing a magnetic write head a focused ion beam (FIB) tool is utilized to mill the side edges of a P 2 pole, in order to provide a narrowed track width. Prior to...
6631054 Thin film magnetic head, a magnetic head device, a magnetic disk drive device, and a method for manufacturing a thin film magnetic device  
A second magnetic film of an inductive type electromagnetic conversion element is positioned at a trailing edge side relative to a first magnetic film of the conversion element. One edge portion of...
6604275 Method of manufacturing thin-film magnetic head  
A method of manufacturing a thin-film magnetic head, includes the steps of: forming, on a lower auxiliary pole, a three-layer pole tip structure consisting of a lower pole tip element, a recording...
6597534 Thin-film magnetic head suitable for narrower tracks and preventing write fringing and method for making the same  
In a method for making a thin-film magnetic head, a primary insulating layer is formed on a lower core layer. An auxiliary insulating layer is formed on the primary insulating layer. A groove...
6584676 Method for manufacturing a pole tip trimmed read/write head structure  
A method for finishing a pole tip trimmed read/write heat that includes a substrate with a pole tip structure having a shield, a shield/pole, and an outer pole. A gap region separates the pole and...
6521335 Method of fabricating a submicron narrow writer pole  
A writer pole and a method for fabricating a writer pole is disclosed. The method comprises fabricating a conductive seed layer on a gap substrate and then fabricating a nonmagnetic feature on the...
6504676 Magnetic head with low stack height and self-aligned pole tips  
A magnetic head includes pole tips with aligned sidewalls and a low head profile. The aligned sidewalls are formed by depositing a stack of pole tip layers on a substrate. The stack of layers are...
6490129 Magnetic head including an inductive magnetic head having a lower magnetic core of a magnetic film/non-magnetic film/magnetic film multilayer structure  
An inductive thin-film magnetic head with small fluctuations of the reproduction output and noises for reproduction is disclosed. The forward end of each of a lower magnetic core and an upper...
6487040 Thin film magnetic head with self-aligned pole tips  
A magnetic head includes first and second pole tips separated by a nonmagnetic gap layer. The right side walls of the first and second pole tips are vertically aligned. Similarly, the left side...
6404588 Thin film magnetic head having magnetic yoke layer connected to magnetic yoke piece of reduced width  
A thin film magnetic head comprises a magnetic yoke piece exposed at a medium-opposed surface adjacent a gap layer. A magnetic yoke layer is connected to the magnetic yoke piece at a position...
6385008 Reduction of magnetic side writing in thin film magnetic heads using negative profiled pole tips  
The magnetic writing head of the present invention includes a P 2 pole tip having a novel profile. This profile, as viewed from the air bearing surface (ABS) can generally be described an hour...
6369984 Thin film magnetic head with back insulating layer laminated on back region of gap layer provided in insulating layer trench  
An upper core layer and a lower core layer are extended from a back region to a pole tip region so that the surfaces thereof are exposed from a medium-facing surface, and a back insulating layer...
6362940 Recording-reproducing magnetic head  
A recording-reproducing magnetic head comprising a magnetoresistance effect reproducing head and an inductive recording head. The magnetoresistance effect reproducing head having a...
6301076 Narrow track inductive write head having a two-piece pole  
A two-piece pole for an inductive write head has a first pole piece in the tip region contiguous the gap and confronting the other pole across the gap. The first pole piece has a width defining the...
6278591 Inverted merged MR head having plated notched first pole tip and self-aligned second pole tip  
A method makes an inverted merged MR head with a second pole tip which is self-aligned with a top first pole tip. After forming a bottom first pole tip layer, a top first pole tip is frame plated...
6252748 Thin film magnetic head with widening outer layer of multi-layer pole  
A gap film of a write element is provided between a first pole portion and a second pole portion. The second pole portion includes a third magnetic film and a fourth magnetic film. The third...
6198597 Thin-film magnetic head having improved magnetic pole structure  
A thin-film magnetic head comprises a magnetic gap disposed to be positioned on an air bearing surface of the magnetic head, a pair of magnetic poles disposed to hold the magnetic gap therebetween,...
6163436 Thin film magnet head with improved performance  
After forming the first shield layer 23 on a basic substrate 21 and 22, a GMR film 25 is formed and embedded in the shield gap layers 24 and 26, in addition, a first insulation layer 28' where the...
6134080 Magnetic head with precisely defined zero throat height  
A strip of baked photoresist is employed for defining the zero throat height (ZTH) of a write head portion of a merged head. The zero throat height is the location where first and second pole...
6125018 Composite type thin-film magnetic head  
A composite type thin-film magnetic head. In one embodiment, a projection is formed on a second magnetic film layer of a composite type thin-film magnetic head. The position where this projection...
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...
6055138 Thin film pedestal pole tips write head having narrower lower pedestal pole tip  
The presently preferred method for fabricating the thin film magnetic head of the present invention includes depositing a first pole layer on a substrate or over a previously formed layer. A...
6016242 Narrow top poles for inductive magnetic heads, masks and processes for making the same  
A mask forms a top magnetic pole piece of an inductive magnetic head having a layer of insulating material over a hill region and a gap region on a wafer. The mask comprises a layer of...
5727308 Thin film magnetic head and method of fabrication  
A magnetic head is formed by depositing a pad pattern on a substrate with a flat upper surface. The pad pattern includes two spaced inner slopes that face each other. An air bearing surface plane...
5726841 Thin film magnetic head with trimmed pole tips etched by focused ion beam for undershoot reduction  
An air bearing magnetic head is formed with a trimmed head pole tip that includes first and second poles having first and second surfaces respectively, which are coplanar with the air bearing...
RE35228 Inductive thin film head having improved readback characteristics  
An inductive thin film magnetic head carried on a substrate having a reduced susceptibility to the "glitch" effect or "remote read" effect. The inductive thin film head uses a three point approach...
5479310 Thin film magnetic head having a variable thickness magnetic layer  
A thin film magnetic head includes a projecting portion formed on a surface opposite to a magnetic gap layer of at least one of pole portions of upper and lower magnetic layers. The projecting...
5373624 Leading edge undershoot elimination in thin film heads  
A thin film magnetic read/write head deposited upon a non-magnetic substrate reduces leading edge undershoots in readback pulse signal. A magnetic layer is deposited between the thin film magnetic...
5296979 Magnetic disc apparatus with thin film head suitable for high-density recording  
A magnetic disc apparatus includes a magnetic disc for recording information; a thin film magnetic head including a magnetic pole structure having an upper magnetic pole tip and a lower magnetic...
5283942 Sacrificial layer planarization process for fabricating a narrow thin film inductive head  
A process for producing a planar thin film magnetic head wherein a sacrificial layer is introduced to provide control of the gap planarization procedure. Unbounded planar layers of lower pole-tip...
5137750 Method of making a thin film head with contoured pole face edges for undershoot reduction  
A thin film magnetic read/write head is manufactured using Al 2 O 3 dams. The Al 2 O 3 dams are formed using a sacrificial layer which is deposited upon a bottom pole layer. An Al 2 O 3 layer...
5116719 Top pole profile for pole tip trimming  
A thin film magnetic read/write head is manufactured using an improved pole tip alignment process. The upper pole tip is formed with positively sloped profile sides for improved alignment between...
5086362 Multiple-track magnetic recording head having a matrix of magnetic microheads  
The magnetic head has poles at each intersection of the matrix of wires. These poles connect the pads of the same column of pads, a gap being defined between the pads of the same intersection of...
4947541 Method for producing a thin film head  
A lower core is formed on the surface of a wafer and then a protection film made of substance that has a lower ion milling rate than that of the lower core is formed so as to coat the lower core....
4872079 Thin film magnetic head with a leveler layer  
A thin film magnetic head having a substrate, a magnetic head and a superstrate formed of materials which are highly resistive to being abraded by a magnetic media being moved thereacross is shown....
Matches 1 - 43 out of 43