Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8174793 | Thin film magnetic head and magnetic disk device and electronic component A thin film magnetic head has a plurality of electrode terminals formed on substantially the same surface as the head formation surface on which magnetic head element is laminated. The plurality of electrode terminals is arranged in an array near and along the secon... | 05/08/2012 |
| 8164858 | Read head having conductive filler in insulated hole through substrate A novel read head includes a substrate having a trailing face and a leading face opposite the trailing face. The substrate includes a first hole therethrough that extends continuously from the trailing face to the leading face. The read head also includes a read tra... | 04/24/2012 |
| 8144429 | Magnetic head slider with diffusion stop films each of which is disposed between the associated terminal portion and lead portion or between the associated lead portion and seed film Embodiments of the present invention help to reduce the resistance variation of the heater provided in order to adjust the flying height of the slider. According to one embodiment, a magnetic head slider has a magnetic read/write device and a heater formed on the tr... | 03/27/2012 |
| 8125734 | Magnetic slider, head gimbal assembly and method for manufacturing the same Embodiments of the present invention provide a magnetic slider of which terminals have a sufficiently large process margin for the laser condition in the SBB process. According to one embodiment, a magnetic slider comprises: a read element and a write element; plura... | 02/28/2012 |
| 8089728 | Head gimbal assembly, suspension for the head gimbal assembly, and disk drive unit with the same A HGA comprises a slider and a suspension with a flexure having a tongue region for supporting the slider. A read/write transducer and a piezoelectric element are formed oppositely. The connecting points of the curve beams and the inner tongue of the tongue region a... | 01/03/2012 |
| 8054584 | Top bond pad bias and variation control An assembly includes a slider and a suspension assembly. The slider includes an air bearing surface and a slider mounting surface opposite the air bearing surface. There are a plurality of slider pads on the slider mounting surface. The suspension assembly includes ... | 11/08/2011 |
| 8045295 | Method and apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording head Method and 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... | 10/25/2011 |
| 8040634 | Magnetic head suspension A magnetic head suspension having a thin metallic plate as a substrate which is caused to have a new function besides a function as a spring. The magnetic head suspension plural lines for connecting a magnetic head and a control circuit board to each other are forme... | 10/18/2011 |
| 8031437 | Disk drive device Embodiments of the present invention provide a highly reliable hard disk drive (HDD). In an HDD according to an embodiment of the present invention, solder at a solder joint for joining a pad of a head slider and a pad of a transmission wiring comprises the main com... | 10/04/2011 |
| 8023229 | Flexible mounting slider with anti-static structure, head gimbal assembly and magnetic disk drive with the same A flexible mounting slider with anti-static structure includes a slider body, an anti-static structure and a lead layer. The slider body includes an ABS, a slider back surface opposite to the ABS and a trailing edge connected with the ABS and the slider back surface... | 09/20/2011 |
| 7983005 | Thin film magnetic head with flying height adjustment capability For a Tunneling Magnetoresistive (TMR) element, an electrode is used as a magnetic shield or vice versa. This can pose a problem in that noise from a heater source or electromagnetic induction has a direct influence on the TMR element, namely, on a read signal. Acco... | 07/19/2011 |
| 7969687 | Magnetic head with delayed connection heater shunting A slider structure that allows a grounded heater element to be employed, while also allowing a decision of whether the slider is to be an “up” slider or a “down” slider to be made in a late stage in the formation of the slider. The slider includes electrical... | 06/28/2011 |
| 7952833 | High density electrical interconnect assembly An electrical connection assembly includes a body, an electrically insulative layer supported by the body, a first bond pad defined on the electrically insulative layer, a first electrical contact pad defined on the electrically insulative layer and electrically iso... | 05/31/2011 |
| 7944648 | Head slider and storage medium driving device According to one embodiment, a head slider, includes: a slider body; an insulating nonmagnetic film configured to be laminated on an air outflow side end face of the slider body; a magnetoresistive effect film configured to be buried in the nonmagnetic film; first a... | 05/17/2011 |
| 7929248 | Top bond pad for transducing head interconnect A slider according to the present invention includes a slider body, a plurality of insulators, and conductive traces. The slider body has a first side and edges defined substantially perpendicular to the first side. The plurality of insulators are each adjacent to t... | 04/19/2011 |
| 7924529 | Suspension board with circuit A stepped-part 4b with a lower tip side is formed on the top face of a pattern end 4, and a lower face 4c thereof is used as a plane on which a solder ball 7 is provided. One or more protrusions 4d made of a sw... | 04/12/2011 |
| 7885038 | Magnetic head slider Embodiments in accordance with the present invention provide a magnetic head slider which includes a magnetic recording/reproducing element and a heater which are formed in an air outflow end surface of a slider. The heater includes a heating portion, terminal porti... | 02/08/2011 |
| 7830638 | Structure and method for localizing solder ball strain on hard disk drive suspension gimbal In a flexure assembly for a hard disk drive suspension, a structure for preventing strains introduced by solder ball bonding from affecting the pitch static attitude (PSA) and other characteristics of the flexure assembly is presented. The structure includes a flexu... | 11/09/2010 |
| 7782568 | Compact thin-film magnetic head and magnetic disk drive using the same Embodiments of the invention provide a compact thin-film magnetic head capable of being increased in the number of terminals, and a magnetic disk drive that uses the thin-film magnetic head. In one embodiment, a thin-film magnetic head is constructed that has a magn... | 08/24/2010 |
| 7755864 | Magnetic recording head for perpendicular recording, fabrication process, and magnetic disk storage apparatus mounting the magnetic recording head Embodiments of the invention provide a head which can prevent an external magnetic field form erasing a signal on the medium and whose main magnetic pole piece does not corrode during processing of the air bearing surface. In one embodiment, an anti-corrosion electr... | 07/13/2010 |
| 7738214 | Thin film magnetic head When exogenous noise is applied to the ground wire of a thin film magnetic head, crosstalk noise occurs in a lead line and a ground lines located near the ground wire. Embodiments in accordance with the present invention avoid this by providing a common terminal nea... | 06/15/2010 |
| 7684153 | Magnetic head slider with ground and heater terminal arrangement and magnetic head assembly Crosstalk from a write signal on wiring on a suspension needs to be reduced since an ESD withstand voltage is decreased due to high sensitivity of a GMR head. In one embodiment, a terminal arrangement on an element-forming surface of a magnetic head slider consists ... | 03/23/2010 |
| 7643249 | Supporting mechanism for magnetic head slider and testing method for the magnetic head slider A holding portion, on which a slider having a magnetic element for recording and/or replaying is held is provided on a second supporting portion of a supporting member, in which conductive patterns are formed. A plurality of fixing portions are formed in the holding... | 01/05/2010 |
| 7643250 | Pad slider design for on-slider ELGs One embodiment of the present invention provides a slider including a slider body, a magnetic reader disposed on the slider body, a magnetic writer disposed on the slider body, and an electronic lapping guide disposed on the slider body. The slider also includes a f... | 01/05/2010 |
| 7619856 | Head gimbal assembly provided with solder ball connecting structure allowing re-utilization of suspension Embodiments of the invention provide a head gimbal assembly (HGA) provided with a solder ball connecting structure suitable for the re-utilization of a suspension assembly. In one embodiment, the HGA includes lead wires provided at front ends thereof with lead pads ... | 11/17/2009 |
| 7573677 | Reduction of interference pickup in heads for magnetic recording by minimizing parasitic capacitance Disclosed is a system and a method for reducing high frequency interference pickup by the read element of the magneto-recording head. The reduction is achieved by reducing the parisitic capacitance between certain elements of the magnetic head. In one embodiment, th... | 08/11/2009 |
| 7554769 | Thin film magnetic head and head gimbal assembly In the case of employing the wire bonding for the actual element detection in the air bearing surface polishing process and the solder bonding for the connection between the terminals in the assembly process, it has been virtually impossible to satisfy requirements ... | 06/30/2009 |
| 7545605 | Method for reducing PSA tilt through standoff relocation A head assembly for a data storage device. The head assembly has a suspension. The head assembly also includes a contact pad coupled to the suspension. The head assembly also includes a slider. The slider is coupled to the suspension at the slider mounting point. Th... | 06/09/2009 |
| 7542236 | Head slider, head gimbal assembly, and hard disk dirve A magnetic head part is constituted by a reproducing head part having a GMR device and a recording head part acting as an inductive electromagnetic transducer which are laminated on a support. The magnetic head part further comprises a heater. One of poles of the he... | 06/02/2009 |
| 7535676 | Slider with bonding pads opposite the air bearing surface A slider having bonding pads opposite an air bearing surface and a method for producing the same is disclosed. Bonding pads are formed on the side of a slider assembly opposite the air bearing surface (ABS) to allow electrical probing devices on the slider while app... | 05/19/2009 |
| 7525764 | Suspension board with circuit An area 5 for mounting a magnetic head is formed on a metal board 1, a conductive layer 4 is formed as a circuit pattern via an insulation layer 2 interposed outside this area and up to a metal board 1. A pattern end 4 to be... | 04/28/2009 |
| 7486480 | Head gimbal assembly method with solder fillet formed by laser irradiating a shaped solder mass Embodiments of the invention relate to making reconnection when a soldered connection fails in a head/slider used in a magnetic disk drive. In one embodiment, a solder mass deposited on a slider pad of a head/slider is separated from a lead pad and a solder ball con... | 02/03/2009 |
| 7466516 | Lead configuration for reduced capacitive interference in a magnetic read/write head A slider having a lead circuitry configured to minimize capacitive coupling between leads in a slider having a read head, a write head and an extra device such as a heater element. The leads are configures so that wherever a pair of leads cross one another, they do ... | 12/16/2008 |
| 7450342 | Composite head-electrical conditioner assembly A composite head-electrical conditioner assembly that includes a slider with a transducer head and transducer bond pads. The transducer bond pads communicate a transducer level electrical signal with the transducer head. An integrated circuit substrate has a conditi... | 11/11/2008 |
| 7446977 | Recording heads having electrical pads on multiple surfaces A recording head is disclosed that includes electrical pads on multiple surfaces. The recording head includes a substrate portion abutting a deposited portion. The deposited portion includes an air bearing surface (ABS) (or bottom surface), an end surface, and at le... | 11/04/2008 |
| 7424774 | Method of manufacturing a head actuator assembly and a disk drive A head actuator assembly of a disk device has a suspension which supports a head, an arm which supports the suspension and is rotatably supported by a bearing portion, signal wires which extend on the suspension and the arm and are connected electrically to the head... | 09/16/2008 |
| 7417827 | Head/slider supporting structure having lead wire inclined relative to slider pad Embodiments of the invention provide a head/slider supporting structure which has connection properties excellent in solder ball connections of a slider pad and a lead pad. According to one embodiment, in a head/slider supporting structure for connecting a slider an... | 08/26/2008 |
| 7400470 | Head gimbal assembly and magnetic disk drive with specific solder ball or slider pad and electrode stud dimensioning to produce reliable solder ball connection using laser energy Embodiments of the invention provide a head gimbal assembly (HGA) capable of effecting solder ball connection with use of low energy. In one embodiment, the HGA includes a head/slider. In the head/slider, slider pads and lead wire pads are connected to each other by... | 07/15/2008 |
| 7391594 | Apparatus 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 |
| 7375913 | Suspension having magnetic head assembly mounted thereon and magnetic recording disk drive using the suspension A suspension having a magnetic head assembly 1 mounted thereon is provided, wherein the magnetic head assembly comprises: a write head 1-2; a read head 1-1; and a resistive heating element 1-3 for controlling the flyi... | 05/20/2008 |