Matches 1 - 23 out of 23
Match Document Document Title
7133252 Single pole type recording head with trailing side tapered edges  
A magnetic head for perpendicular recording without writing from the lateral sides of a main pole and without erasing data on adjacent tracks. A magnetic disk storage apparatus using the magnetic...
7006326 Single pole type recording head with tapered edges  
A magnetic head for perpendicular recording without writing from the lateral sides of a mains pole and without erasing data on adjacent tracks. A magnetic disk storage apparatus using the magnetic...
6995949 Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same  
A magnetic head includes a main pole having a first portion with a length (W 1 ) in a cross-track direction which continuously increases from a leading edge side to a trailing edge side, a second...
6958886 Perpendicular magnetic recording head having main magnetic pole layer formed on high-flatness surface, and method of manufacturing the head  
A main magnetic pole layer is formed on an insulating layer flattened into a high-flatness surface, and a yoke layer having a large film thickness is formed on the main magnetic pole layer...
6954340 Perpendicular magnetic recording head with nonmagnetic write gap greater than twice side shield gap distance  
A magnetic head for perpendicular recording on double layer media with suppressed side writing and controlled write width is disclosed. The present invention reduces the problem of side writing and...
6952867 Method for manufacturing perpendicular magnetic recording head having inverted trapezoidal main magnetic pole layer  
The side edge of the main magnetic pole layer is prevented from protruding in the track width direction even when a skew angle is generated by forming the main magnetic pole layer of the opposing...
6922316 Thin-film magnetic head and method of manufacturing same  
A thin-film magnetic head comprises: a first magnetic layer and a second magnetic layer each of which includes a magnetic pole portion, the first and second magnetic layers being magnetically...
6906894 Write head having a recessed, magnetic adjunct pole formed atop a main pole, and method of making the same  
A read/write head and method of making the same are used in a data storage system, such as a disk drive, for perpendicular magnetic recording of data. The head employs a two-layer pole design with...
6891697 Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same  
A magnetic head having at least a main pole having a profile on a magnetic head air bearing surface composed of a first portion having a length in a cross-track direction which continuously...
6842313 Floating down stream perpendicular write head shield  
A read/write head for a disk drive having a magnetoresistive (MR) read element and an inductive write element suitable for perpendicular recording of data onto a disk having a media layer in which...
6813116 Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same  
A single-pole type magnetic head for perpendicular recording which reduces the amount of side writing even in the presence of a yaw angle and prevents the effective track width from decreasing, and...
6809899 Magnetic heads for perpendicular recording with trapezoidal pole tips  
Electromagnetic transducers are disclosed having write poles with a leading edge that is smaller than a trailing edge, which can reduce erroneous writing for perpendicular recording systems. The...
6741421 Magnetic head for perpendicular recording and magnetic disk storage apparatus mounting the head  
A single pole type magnetic head has a writing head including a main pole and an auxiliary pole, and a reading head including a read element, wherein the main pole has a recess on the trailing side...
6710973 Single pole type recording head including tapered edges  
A magnetic head for perpendicular recording without writing from the lateral sides of a main pole and without erasing data on adjacent tracks. A magnetic disk storage apparatus using the magnetic...
6697221 Perpendicular magnetic recording head with inverted trapezoidal main magnetic pole layer  
A perpendicular magnetic recording head includes an auxiliary magnetic pole layer exposed at a surface facing a recording medium, a main magnetic pole layer deposited on the auxiliary magnetic pole...
6687084 Perpendicular magnetic recording head having main magnetic pole layer formed on high-flatness surface of yoke layer, and method of manufacturing the head  
A main magnetic pole layer is formed on an insulating layer flattened into a high-flatness surface, and a yoke layer having a large film thickness is formed under the main magnetic pole layer...
6683748 Vertical writing type magnetic head  
Provided is a vertical writing type magnetic head including a substrate, a bottom pole formed on the substrate, and a top pole aligned with and spaced a predetermined distance apart from the bottom...
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...
6504675 Perpendicular magnetic recording heads with write pole shaped to reduce skew effects during writing  
A writer for perpendicular recording on bilayer media with suppressed skew angle effect on the width of the recorded track is disclosed. The writer has a wide and flat trailing edge and a narrow...
5659446 Magnetic recording system providing a magnetic head having opposite sides for applying different magnetic field strengths to a magnetic recording medium  
A magnetic recording system for recording information on a magnetic recording medium magnetized with a perpedicular magnetization component by a magnetic recording head so as to be reproduced by a...
5495379 Erase bands for vertical recording  
A magnetic head that vertically records information on a disk and which creates erase bands between the disk tracks. The head has a single pole that has a pair of erase band segments which extend...
4763215 Device for writing high density data on a magnetic medium  
A device and method for writing data on a magnetic medium (SMI) are disclosed for use in connection with a recording layer (CMI1) made from an anisotropic material having the axis of easy...
4293884 Multiple leg magnetic transducer structure  
A multiple leg magnetic transducer has two corresponding core portions abutting at a transducing gap plane. Each portion has a transducing gap defining pole and a multiple leg back core contiguous...
Matches 1 - 23 out of 23