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Patent No. 5787895

Kissing Shield

A kissing shield comprised of a thin, flexible membrane and a frame or holder.

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Assignee: SAE Magnetics (H.K.) Ltd.


Location: Shatin, N.T., HK
No. of patents: 60

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NumberTitleIssue Date
8146237Method of manufacturing a magnetic head
In a magnetic head manufacturing method, a floated surface of each block having plural magnetic head elements formed and arranged on a substrate is ground and lapped in a grinding/lapping step. The grinding/lapping step contains an angle adjusting step for adjusting...
04/03/2012
8043515Thin film magnetic head and manufacturing method thereof
A thin film magnetic head has a configuration in which a main magnetic pole film having a magnetic pole end portion on a medium opposing surface (ABS) side facing a magnetic disk, a write shield film facing the magnetic pole end portion so as to form a recording gap...
10/25/2011
7924533Multi-channel head
A multi-channel head includes a substrate, a plurality of write elements arranged in a track width direction above the substrate in a lamination direction, and a plurality of read elements arranged in the track width direction above the plurality of write elements i...
04/12/2011
7712205Method of manufacturing a magnetic head
In a magnetic head manufacturing method, a floated surface of each block having plural magnetic head elements formed and arranged on a substrate is ground and lapped in a grinding/lapping step. The grinding/lapping step contains an angle adjusting step for adjusting...
05/11/2010
7649152Conductive ball bonding method and conductive ball bonding apparatus
The present invention provides a solder ball bonding method and a solder ball bonding apparatus, which can enhance efficiency of bonding processing and in which plural electrodes formed on objects to be bonded are bonded to each other by melting a solder ball. In th...
01/19/2010
7640649Method for removing a magnetic head slider
A method which enables easy removal of a magnetic head slider soldered to a suspension and easy reuse of the removed parts. In the method for removing the magnetic head slider, heat is applied to a suspension to which at least a part of the magnetic head slider is j...
01/05/2010
7614136Method of producing a framing assembly
A framing assembly with lower stiffness design and a method of manufacturing that framing assembly are disclosed. In one embodiment, a framing assembly pattern is cut from a piece of a thin planar material, such as metal. The pattern is then bent to form a framing a...
11/10/2009
7596859Method for maintaining alignment of a hard disk micro-actuator and magnetic head with respect to a drive arm's suspension during the curing process of a bonding agent used in their coupling
A system is disclosed for maintaining proper alignment of a hard disk micro-actuator and magnetic head with respect to a drive arm's suspension during the curing process of the bonding agent used in their coupling. Embodiments may include a system to couple an actua...
10/06/2009
7596855Method for manufacturing a magnetic head
A thin film magnetic head capable of shortening a manufacturing time and a method of manufacturing the same are provided. After forming a write gap layer by using a non-magnetic conductive material such as copper, a top pole is formed on the write gap layer by growi...
10/06/2009
7583472Thin film magnetic head, method of manufacturing the same, and magnetic recording apparatus
The present invention provides a thin film magnetic head capable of suppressing unintentional wiring to a neighboring track and preventing information recorded on a recording medium from being erased. A main magnetic pole layer is constructed so that height of a wid...
09/01/2009
7582868Method of nano thin film thickness measurement by auger electron spectroscopy
A system and method for measuring the thickness of an ultra-thin multi-layer film on a substrate is disclosed. A physical model of an ultra-thin multilayer structure and Auger electron emission from the nano-multilayer structure is built. A mathematical model for th...
09/01/2009
7580226Method and mechanism of the PZT micro-actuator application for the magnetic head gimbal assembly of the hard disk driver
A system and method using a framing assembly to provide support for a micro-actuator and allow the micro-actuator to be connected to a suspension assembly is disclosed. In one embodiment, the framing assembly consists of a base with two arms attached. In a further e...
08/25/2009
7562435Method to improve crown sigma control of the slider in a hard disk drive
The sensitivity of the ABS shape of a suspension mounted slider to temperature variations can be greatly reduced if the backside of the slider is lapped to a smooth convex contour that is similar to the ABS shape, rather than to a planar shape, prior to mounting the...
07/21/2009
7549216Method of manufacturing a thin film magnetic head
The invention is directed to a method for manufacturing a thin film magnetic head comprising forming a first coil, a first pole piece and a first back gap piece on a first insulating film formed on a surface of a first magnetic film, so that the first coil, the firs...
06/23/2009
7525770Thin film magnetic head and method of manufacturing same
A thin film magnetic head capable of shortening a manufacturing time and a method of manufacturing the same are provided. After forming a write gap layer by using a non-magnetic conductive material such as copper, a top pole is formed on the write gap layer by growi...
04/28/2009
7525769Micro-actuator having swing support to allow horizontal swinging movement of slider support
A thin film piezoelectric (PZT) micro-actuator is disclosed. Two thin film pieces of PZT are couple to a slider support frame. The slider support frame has a slider support connected by a leading beam to a base. The two thin film pieces of PZT connect the slider sup...
04/28/2009
7525768Electrical connection between a suspension flexure cable and a head stack assembly flexible circuit
A method and apparatus for electrically coupling a slider to a controller circuit are disclosed. In one embodiment, a pre-amplifier with an integrated electrical connector (I-connector) may be connected via an electrical trace to a slider and via a head stack assemb...
04/28/2009
7522384Method of head stack assembly flexible circuit assembly attached to an actuator arm
A method for mounting a head stack assembly (HSA) circuit assembly is disclosed. A flexible circuit substrate may be coupled to a stiffener. The stiffener may be a metal, such as aluminum, or some other stiff and durable material. The flexible circuit substrate may ...
04/21/2009
7513820Method and apparatus for producing micro-texture on a slider substrate using chemical and mechanical polishing techniques
A system and method for producing micro-texture on a slider substrate using chemical & mechanical polishing techniques is described. In certain embodiments of the present invention, this is accomplished by a method comprising formulating an abrasive slurry solution ...
04/07/2009
7508630Thin film magnetic head and method of manufacturing the same
The present invention provides a method of manufacturing a thin film magnetic head, capable of easily manufacturing a thin film magnetic head with high precision, in which a magnetic shield layer is disposed so as to surround a magnetic pole layer from three directi...
03/24/2009
7506552Micro torque and micro stiffness measurement device
In a method and apparatus for testing a head-gimbal assembly (HGA), a HGA is placed in contact with force transducers mounted on a rotational stage. The force transducers are adjusted to position the transducers around a rotational center of the rotational stage. Th...
03/24/2009
7503107Method for manufacturing a magnetic head using a multi-stage ion milling
A method for manufacturing a magnetic head for perpendicular magnetic recording is disclosed. The method comprising: a first step of depositing a non-magnetic film over and around the main magnetic pole, and subsequently polishing and planarizing the non-magnetic fi...
03/17/2009
7501737Method and mechanism of PZT micro-actuator attachment for the hard disk driver arm
A fixture with a shaped molding may hold a first micro-actuator part and a second micro-actuator part in place for coupling while maintaining the structure of the first micro-actuator part. The first micro-actuator part and the second micro-actuator part may be a fr...
03/10/2009
7492551Thin film magnetic head, method of manufacturing the same, and magnetic recording apparatus
The present invention provides a thin film magnetic head achieving improved recording performance by sharpening recording magnetic field gradient as much as possible. The thin film magnetic head has a return yoke layer disposed on a trailing side of a magnetic pole ...
02/17/2009
7463450Thin film magnetic head
A thin film magnetic head has a configuration in which a main magnetic pole film having a magnetic pole end portion on a medium opposing surface (ABS) side facing a magnetic disk, a write shield film facing the magnetic pole end portion so as to form a recording gap...
12/09/2008
7463448Thin film magnetic head having upper and lower poles and a gap film within a trench
The present invention is directed to a thin-film magnetic head having no ATE (adjacent track erase) problem, a very narrow track width, an excellent O/W (overwrite) characteristic and a high switching speed. A lower pole film of a write element is provided on one fa...
12/09/2008
7460336Slider design including stiction reduction pads
An improved slider design with stiction reduction pads is presented along with a method of making the same. In one embodiment, the bases for the stiction reduction pads are made first during an etching process for the air bearing surfaces, then the stiction reductio...
12/02/2008
7455332Method for controlling overcoat recession in a magnetic thin film head
The overcoat of a slider (alumina) is recessed relative to the slider ABS by a non-abrasive CMP process sufficiently to prevent thermal protrusion of the overcoat during subsequent slider use in a hard disk drive. The CMP process involves the oscillatory and rotatio...
11/25/2008
7453666Magnetic disk drive device and method of manufacturing the same
A magnetic disk and spindle motor are mounted in a housing member. A support arm is freely rotatably mounted on a cover member. A suspension has a dimple (first mark) indicating the mount position of the magnetic head slider and a through hole (second mark) formed a...
11/18/2008
7443633Thin-film magnetic head for perpendicular magnetic recording and manufacturing method of thin-film magnetic head
A thin-film magnetic head with which an error rate is decreased due to a reduction of a jitter without significant decrease in write field, is provided. The head comprises at least one inductive write head element comprising: a main magnetic pole layer having an inn...
10/28/2008
7440219Non-contact measurement of slider fly height by electrostatic force
In a system and method for a non-contact measurement of the fly height of a slider above a magnetic data storage medium using electrostatic force, a slider with a read/write head flies over a magnetic data storage medium. A series of distinct voltages are applied be...
10/21/2008
7440216Rotary piezoelectric microactuator with an optimum suspension arrangement
The invention relates to a microactuator comprising a movable structure having a symmetric axis about which the movable structure are divided into two parts which can produce the same movement but in opposite directions; two active arms built with piezoelectric mate...
10/21/2008
7433156Flexure for minimizing fly height modulation of near-contact recording sliders in a disk drive
A flexure mounted slider and its method of fabrication is described, wherein the slider is affixed to a pair of highly compliant, transverse (to the longitudinal axis of a load beam) crossbars whose common axis passes directly above the center of percussion of the s...
10/07/2008
7411763Electrical connection between a suspension flexure cable and a head stack assembly flexible circuit
A method and apparatus for electrically coupling a slider to a controller circuit are disclosed. In one embodiment, a pre-amplifier with an integrated electrical connector (I-connector) may be connected via an electrical trace to a slider and via a head stack assemb...
08/12/2008
7410410Method and apparatus to produce a GRM lapping plate with fixed diamond using electro-deposition techniques
A system and method are described for manufacturing a lapping plate. Diamond particles are premixed with a metal matrix. The diamond particles are electro-deposited onto the surface of a lapping plate. The lapping plate may have a substrate of hard metal with a soft...
08/12/2008
7408740Thin film magnetic head for perpendicular magnetic recording having a main pole with plural grooves in a lower surface thereof and manufacturing method therefore
A thin-film magnetic head for perpendicular magnetic recording according to the present invention comprises a coil to generate a magnetic field, and a main pole layer to perform the perpendicular recording using the magnetic field generated by said coil. The lower s...
08/05/2008
7401725System and method for improving hard drive actuator lead attachment
A system and method are disclosed for improving hard drive actuator lead attachment. In one embodiment, an actuator board is coupled to an actuator flexible cable by a bonding agent, such as an anisotropic conductive film (ACF). In one embodiment, an actuator flexib...
07/22/2008
7392579Method for protecting a slider mounted CPP GMR or TMR read head sensor from noise and ESD damage
A slider mounted CPP GMR or TMR read head sensor is protected from electrostatic discharge (ESD) damage and from noise and cross-talk from an adjacent write head by means of a balanced resistive/capacitative shunt. The shunt includes highly resistive interconnection...
07/01/2008
7392578Thin film magnetic head and manufacturing method thereof
A method for manufacturing a thin film magnetic head with a write element, the write element having a first yoke portion and a second yoke portion connected to each other by a back gap portion, a first pole portion and a second pole portion disposed in the medium-fa...
07/01/2008
7391594Apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording head
Apparatus are presented for electrically coupling a slider to ground. In one embodiment, a bonding pad is provided on a side of the slider body separate from the bonding pad(s) used for read/write signals. This separate bonding pad is electrically coupled within the...
06/24/2008
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