Class 360/234 - Disk record

Subclass of Class 360 - Dynamic magnetic information storage or retrieval
Definition: Subject matter wherein the medium is a circular element
No. of patents: 36
Last issue date: 06/22/2010

Number	Title	Issue Date
7742260	Magnetic head assembly, magnetic head drive apparatus and manufacturing method of magnetic head assembly A magnetic head assembly includes a magnetic head slider with an element-formed surface on which at least one MR read head element is formed, an ABS to be opposed in operation to a magnetic recording medium and a fixing surface that is the other side of the ABS, and...	06/22/2010
7480119	Magnetic head slider for absorbing vibrations A magnetic head slider disposed opposite to a surface of a magnetic disk, includes a slider main body, a magnetic head element that reads and reproduces data from the magnetic disk, and a vibration absorbing unit that absorbs vibrations generated due to contact betw...	01/20/2009
7369347	Apparatus and method for piezoelectric layer as vertical micro-actuator in slider of a hard disk drive Slider used to access data on rotating disk in hard disk drive, including vertical micro-actuator forming piezoelectric layer perpendicular to air bearing surface and coupled to deformation region including read-write head. Slider further includes vertical control s...	05/06/2008
7336453	Magnetic sensing element including pinned layer and/or free layer composed of [110] crystal planes-oriented Heusler alloy A magnetic sensing element using a thin film composed of an adequately crystallized Heusler alloy is provided. At least one of free magnetic layer and pinned magnetic layer includes a Heusler alloy layer. The Heusler alloy layer has a body-centered cubic (bcc) struc...	02/26/2008
7293348	Method of forming a suspension for use in a disk drive having a media disk A suspension for use in a disk drive is disclosed. The suspension has a hinge and load beam which are separately formed and subsequently joined together. The load beam is formed from a material which has improved damping characteristics. The load beam additionally h...	11/13/2007
7236331	System and method to provide a ramp having a location which is transitioning from a first grade to a second grade for removing a read/write head from a media Methods to provide a ramp to remove a read/write head connected with a suspension from a media in accordance with the present invention can comprise calculating a grade of one or more surfaces having a plurality of progressively shallower grades. A transition betwee...	06/26/2007
7209324	Sliders bonded by a debondable encapsulant containing styrene and butadiene polymers The invention relates generally to the bonding of one or more sliders in styrene and butadiene polymers. More particularly, the invention relates to planarized slider assemblies formed by using debondable solid encapsulants comprised of styrene and butadiene polymer...	04/24/2007
7173795	Bias point adjustment of a read head by means of an external magnet Reader asymmetry control has become an important issue as track widths continue to shrink. This has been achieved by providing adaptive adjustment to the asymmetry of individual heads in the form of an additional permanent hard magnet, which may be internal or exter...	02/06/2007
7130158	Head arm of magnetic disk device A head arm of a magnetic disk device has reduced air flow turbulence around the head arm using one or more of several configurations, such as multiple apertures, various chamfered edges, various protrusion configurations, and head arm shapes. ...	10/31/2006
7099118	One-piece suspension assembly including interconnect An integrated suspension assembly including interconnect is used to provide an electrical and mechanical connection between an actuation system and a slider. The suspension assembly includes a multi-layer laminate substrate having a base layer, an insulator layer an...	08/29/2006
7069570	Disk cartridge with disk cleaning structure A disk cartridge and a disk recording and/or reproduction apparatus including a protrusion group which is made up of a plurality of protrusions and formed within a case housing a disk or within a housing in which a disk is loaded. Accordingly, the protrusions induce...	06/27/2006
7064929	Sliders bonded by a debondable encapsulant containing styrene and acrylate polymers The invention relates generally to the bonding of one or more sliders in styrene and acrylate polymers. More particularly, the invention relates to planarized slider assemblies formed by using debondable solid encapsulants comprised of styrene and acrylate polymers....	06/20/2006
7038885	Balanced and damped suspension for use in a disk drive A suspension for use in a disk drive is disclosed. The suspension has a hinge and load beam which are separately formed and subsequently joined together. The load beam is formed from a material which has improved damping characteristics. The load beam additionally h...	05/02/2006
7009794	Magnetic recording and reproducing device In a magnetic recording and reproducing device having a 1ch head and a 2ch head, an azimuth recording operation is carried out on an obliquely evaporated magnetic tape. Angles θ1 and θ2 formed by a direction of a head azim...	03/07/2006
6958874	Manufacture of data storage device A device and method for preparing media discs (2) in which servowriting and verification of the media may be carried out simultaneously. A common monolithic platform (1) is provided which supports air bearing systems which allow movement of a media dis...	10/25/2005
6938326	Method of making at least one suspension load beam for an actuator assembly of a disk drive A suspension load beam for an actuator assembly of a disk drive includes a bend radius portion with a spring rate that is less than 18 Newtons per meter, a first bending mode that is greater than 3,500 Hertz, and a first torsion mode that is greater than 5,300 Hertz...	09/06/2005
6934124	Rotating recording medium and slider of thin-film magnetic head device A slider includes a slider main body and a thin-film magnetic head element. The slider main body has an air bearing surface, an air inflow end, and an air outflow end. The air bearing surface has a first part closer to the air outflow end, a second part closer to th...	08/23/2005
6873492	Magnetic media with readable topographical features in combination with a slider-mounted non-magnetic transducer Magnetic patterned media comprise topographical features readable with a slider-mounted non-magnetic transducer sensitive primarily to a local aerodynamic boundary condition, in addition to a magnetic recording layer substantially conforming to the topographical fea...	03/29/2005
6856489	Airflow assisted ramp loading and unloading of sliders in hard disk drives Windage proximate to a spinning disk within a disk drive is directed through a plurality of apertures in a ramp situated near the outside diameter of the disk. A tab extending from a load beam that supports a slider rests on the ramp when the drive is not in use. Wh...	02/15/2005
6665146	Airflow assisted ramp loading and unloading of sliders in hard disk drives Windage proximate to a spinning disk within a disk drive is directed through a plurality of apertures in a ramp situated near the outside diameter of the disk. A tab extending from a load beam that supports a slider rests on the ramp when the drive is not...	12/16/2003
6654190	Flexible air bearing design system with independent profile mapping and height field definition for mask tiers A system for modeling air bearing designs for heads of a data storage system The modeling system includes user definable surface contours for mask surfaces. The system generates integrated surface functions for the mask surfaces based upon the user define...	11/25/2003
6404593	Two-piece load beam mount system A two-piece load beam mounting system supports a load beam in operating proximity to a disk, the mounting system comprising a small mount less subject to flatness problems, the mount having a plate and a central boss, the mount plate having lateral and lo...	06/11/2002
6372315	All-metal base plate having a pronged hub for press-in attachment of a load beam assembly to a head actuator arm of a disk drive A base plate for press fitting into a boss hole of a predetermined nominal diameter. The base plate has a flange and a hub extending from a region at which the hub meets the flange to an outer end of the hub. The hub has a number of vertical slots cut thr...	04/16/2002
6287475	Magnetic head slider manufacturing method When forming a floating-type magnetic head slider for a hard disk drive or the like using dry etching, a method for manufacturing the magnetic head slider provides a method for adhering the slider being processed to an appropriate processing fixture, and ...	09/11/2001
6168715	Device for oil treatment of sintered parts The invention concerns a device for the oil treatment of sintered parts consisting of a drum (11, 111) which is mounted so that it can rotate about a vertical axis and which can be driven. It has a drum mantle (11', 111') and loading and unloading devices...	01/02/2001
5734524	Head suspension assembly supported by an air bearing surface A suspension for use in a magnetic disk drive comprised of a flexible load beam and a slider. The flexible load beam is comprised of a two-layer laminate and air bearing structure is formed in one of the layers. Part of the flexible load beam rests on a d...	03/31/1998
5136438	Magnetic disk device having an auto-loading mechanism and a dust collecting mechanism A magnetic head device has a magnetic head slider by means of which information is recorded in and read from a magnetic recording medium. The magnetic head slider is supported by a supporting structure having an internal cavity, an opening formed in a por...	08/04/1992
4918556	Magnetic disk recording and reproducing apparatus A magnetic recording and reproducing apparatus of a type wherein a magnetic disk having a magnetic recording layer formed on a rigid substrate is rotatable at a high speed and a magnetic head is disposed on the surface of the disk so that magnetic recordi...	04/17/1990
4777544	Method and apparatus for in-situ measurement of head/recording medium clearance A method and apparatus for measuring the flying height of a slider supporting a magnetic transducer in-situ in a direct manner in an operational magnetic disk storage system. The method and apparatus produce relative motion between the magnetic transducer...	10/11/1988
4768119	Non-contact head with variable clearance compensating means A non-contact detection head which compensates for variation and the spacing between a detection head and a circular recording medium. The recording medium has a magnetized pattern recorded along the periphery thereof, and is mounted on a central rotary s...	08/30/1988
4509160	Disc drive assembly A disc drive assembly in which an air bearing supports the drive spindle in a manner centering the drive spindle to provide extremely close track spacing and a transducer assembly characterized by an air bearing therebeneath and a suction serving to draw ...	04/02/1985
4396965	Flying head with foil support Disclosed is a novel flying head supported on a stationary, rigid arm to present a "hydrodynamic" head-face to a passing flexible record segment, the segment being induced by this face to automatically assume a prescribed, relatively controlled configurat...	08/02/1983
4334252	Magnetic recording and reproducing head arrangement A magnetic recording and reproducing head arrangement utilizing the azimuth recording method which has an even number 2n of magnetic heads mounted in the head assembly. The carriage holds the head assembly at rest during recording or reproduction and move...	06/08/1982
4330804	Flying head with foil support Disclosed is a novel rigid flying head supported on a prescribed foil to present a "compound-foil" face to a passing flexible record segment, the segment being thus induced to automatically assume a prescribed, relatively controlled "approach zone" and as...	05/18/1982
4163267	Flying head with compound-foil Disclosed is a novel rigid flying head presenting a "compound-foil" face to a passing flexible record segment which is induced to automatically assume a prescribed, relatively controlled "approach zone" and associated constant spacing relative to the head...	07/31/1979
4006294	Transducer head assembly with fluid bearing and head height control system A transducer head assembly supported above a surface has the spacing of its transducer head from the surface maintained at a predetermined value by a pressure-sensitive regulator which responds to changes in fluid flow pressure resulting from spacing chan...	02/01/1977

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Class 360/234 - Disk record