Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 8169743 | Minimizing slider vibration effects on a magnetic transducer Minimizing slider vibration effects on a magnetic transducer coupled to a slider are described herein. In one embodiment, a method is described for minimizing slider vibration effects on a magnetic transducer coupled to the slider. A mass component of the slider is ... | 05/01/2012 |
| 8125735 | Vibration sensor, suspension, head gimbal assembly and manufacturing method thereof, and disk drive unit including the same A vibration sensor for a slider includes a base portion, a loading portion adapted for supporting the slider mounted thereon and formed within the base portion, and at least two connection arms connecting the base portion with the loading portion. The vibration sens... | 02/28/2012 |
| 8085503 | Suspension having an isolated trailling portion, head gimbal assembly and disk drive unit with the same A suspension for a head gimbal assembly comprises a flexure having a suspension tongue with a trailing portion. The trailing portion has a plurality of trailing pads formed thereon adapted for bonding to a trailing edge of a slider. The trailing portion is isolated ... | 12/27/2011 |
| 8014103 | Suspension board with circuit A suspension board with circuit includes a metal supporting board, an insulating layer formed on the metal supporting board, a conductive layer formed on the insulating layer, and a pedestal for supporting a slider. The pedestal includes a lower pedestal made of the... | 09/06/2011 |
| 7995310 | Head-gimbal assembly including a flexure tongue with adhesive receptacles disposed adjacent to stand-offs A head-gimbal assembly (HGA) is disclosed. The HGA comprises a slider, a flexure that includes a tongue, and an adhesive material bonding the slider to the tongue. The tongue includes a plurality of stand-offs that contact the slider, and a plurality of adhesive rec... | 08/09/2011 |
| 7872832 | Magnetic head device having hook for mechanically pressure-mounting slider A locking segment presses a slider towards a supporting member so that the slider is fixed to the supporting member. In the present invention, the slider is mechanically pressure-mounted to the supporting member without the use of an adhesive. This reduces the fluct... | 01/18/2011 |
| 7859793 | Magnetic head assembly that facilitates recovery of a magnetic head slider A magnetic head assembly in which a slider can be removed with deformation of a suspension suppressed and the posture angle of a magnetic head can be maintained stably and a magnetic disk drive mounted with the magnetic head assembly. A head gimbal assembly (HGA) ac... | 12/28/2010 |
| 7808744 | Apparatus including a dielectric mirror and method of reflecting radiation away from a portion of an apparatus An apparatus includes a base layer, a bonding layer subject to laser radiation, and an insulating layer positioned between the base layer and bonding layer. The insulating layer includes a dielectric mirror, which is capable of reflecting laser radiation away from t... | 10/05/2010 |
| 7729089 | Head-gimbal assembly including a flexure tongue with stand-offs arranged to facilitate lateral light entry A head-gimbal assembly (HGA) is disclosed. The HGA comprises a head including a slider having a leading end and a trailing end that define a slider length. The head further includes a read transducer disposed at the trailing end. The HGA further comprises an adhesiv... | 06/01/2010 |
| 7633716 | Magnetic head with a slider and a gimbal suspension having a flexure including spacer projections for bonding the slider A magnetic head is provided that is formed by fixedly bonding a slider having a thin-film magnetic element on a flexure formed of metallic material which constitutes a gimbal suspension. The slider includes electrodes conducted to the thin-film magnetic head on an e... | 12/15/2009 |
| 7593189 | Head gimbal assembly to reduce slider distortion due to thermal stress A head gimbal assembly (HGA) is provided. The HGA includes a suspension that has a suspension coefficient of thermal expansion (CTE) and a slider that has a slider CTE. A bonding element attaches the slider to the suspension. A compensation layer, having a compensat... | 09/22/2009 |
| 7593190 | Flexure design and assembly process for attachment of slider using solder and laser reflow A head gimbal assembly includes a slider, a flexure, and a plurality of solder receptacles. The slider has an air-bearing surface and a metallized backside opposite the air bearing surface. The flexure includes a flexure tongue layer at least partially formed of sta... | 09/22/2009 |
| 7417831 | Micro-actuator and head gimbal assembly for a disk drive device A micro-actuator for a head gimbal assembly includes a metal frame including a bottom support adapted to be connected to a suspension, a top support adapted to support a slider, and a pair of side arms that interconnect the bottom and top supports. The side arms ext... | 08/26/2008 |
| 7382583 | Rotary piezoelectric microactuator and disk drive head-suspension assembly The invention is a moving-slider rotary piezoelectric microactuator as the secondary actuator for a dual-stage actuator disk drive. The microactuator has a substrate attached to the disk drive suspension and a rotatable frame that supports the slider, so the head-su... | 06/03/2008 |
| 7372667 | Thin-film magnetic head, head gimbal assembly with thin-film magnetic head, head arm assembly with head gimbal assembly, magnetic disk drive apparatus with head gimbal assembly and manufacturing method of thin-film magnetic head A thin-film magnetic head comprising an inductive element including at least: a lower magnetic pole; a write gap layer; and an upper magnetic pole opposed to the lower magnetic pole through the write gap layer, a width WP2 in a track-width direction at a ... | 05/13/2008 |
| 7369364 | Interconnect for dissipating electrostatic charges on a head slider An interconnect that may reduce a head slider's exposure to electrostatic discharge events and may dissipate charging of the head is provided. Conductive and nonconductive adhesives are used to adhere a head slider to the interconnect. An electromagnetic interferenc... | 05/06/2008 |
| 7359154 | Method and apparatus for connecting a micro-actuator to driver arm suspension A system and method for connecting an actuator to a suspension element is disclosed. The actuator is electrically coupled using a silver paste. The silver paste is further covered by a coating application to provide structural support. A step, attached to either the... | 04/15/2008 |
| 7352530 | Method and apparatus for reducing a suspension gram load to increase head to disk interface reliability for contact recording systems An apparatus and method for reducing a suspension gram load to increase head to disk interface reliability for contact recording systems. The method provides a suspension for reaching over a disk. A slider having a read/write head element on a trailing edge (TE) por... | 04/01/2008 |
| 7345850 | Method and apparatus for utilizing an off-center gimbal to increase head to disk interface reliability for contact recording systems An apparatus and method for utilizing an off-center gimbal to increase head to disk interface reliability for contact recording systems. The method provides a suspension for reaching over a disk. A slider having a read/write head element on a trailing edge (TE) port... | 03/18/2008 |
| 7340823 | Methods for forming head suspension assemblies Embodiments include a method for forming a head suspension assembly. A spacer layer is formed in or on a silicon wafer. A transfer film including an opening defining the shape of a slider support membrane is provided, and the opening is filled with a resin material.... | 03/11/2008 |
| 7333297 | Method and apparatus supporting a slider having multiple deflection rails in a negative pressure pocket for a hard disk drive An air bearing surface, with multiple deflection rails in a negative pressure pocket, between a leading air bearing surface and a central island for the read-write head. A gap separates left and right deflection rails. During the slider's normal operation, incoming ... | 02/19/2008 |
| 7307816 | Flexure design and assembly process for attachment of slider using solder and laser reflow A slider/suspension design and assembly method include securing a slider to a suspension assembly for use in a magnetic disk drive data recording device. To this end, solder bumps are applied to a metalized backside surface of the slider, and are patterned and flown... | 12/11/2007 |
| 7296335 | Method of detaching of magnetic head slider from head gimbal assembly A method is provided for reworking a head gimbal assembly (HGA). An ultrasonic probe is used to stress the connection between the slider component of an HGA to remove the slider from its mounting position. ... | 11/20/2007 |
| 7293347 | Manufacturing method of head arm assembly A manufacturing method of an HAA includes a step of fixing a first lead conductor member onto a suspension, a step of attaching a second lead conductor member to at least one actuator arm, a step of fixing the suspension onto the at least one actuator arm, a step of... | 11/13/2007 |
| 7280315 | Passive compensation for pole tip protrusion by slider bending A disk drive includes a storage disk, a suspension and a slider assembly. The slider assembly includes a trailing half having a surface area, and a leading half having a substantially similar surface area to that of the trailing half. The percentage of the surface a... | 10/09/2007 |
| 7271973 | Flying height compensation for up/down bit error rate trend difference A disk drive that has a plurality of heads coupled to one or more disks. The heads have air bearing surfaces that compensate for a radial crown and a radial camber of an adjacent disk to maintain a flying height at a relatively constant level across the disk surface... | 09/18/2007 |
| 7253993 | Head slider with precise positioning actuator and manufacturing method of the head slider A head slider with a precise positioning actuator includes a thin plane shaped head section provided with a first surface that is substantially perpendicular to an ABS of the head slider, a second surface opposite to the first surface and at least one head element f... | 08/07/2007 |
| 7249520 | Self-loaded pendulum for slider flexure stiffness measurements A device is provided by which the stiffness coefficient of a flexure, in either a pitch or roll direction, can be measured while a slider is mounted thereon and while the flexure and slider are in a loaded condition as might be obtained during normal operational con... | 07/31/2007 |
| 7242132 | Piezoelectric actuator and head assembly using the piezoelectric actuator A head assembly includes a suspension having a gimbal, a flexible printed wiring sheet having a plurality of conductor patterns and adhered to the suspension, first and second piezoelectric actuators mounted on the gimbal, and a head slider mounted on the first and ... | 07/10/2007 |
| 7240418 | Method of manufacturing slider of thin-film magnetic head 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... | 07/10/2007 |
| 7239485 | Localized heating element for a suspension assembly The present invention provides a suspension assembly having a slider body with a trailing edge face. A bond pad is positioned on the trailing edge face and a conductive trace is connected to the bond pad to form an electrical connection. A heating element includes a... | 07/03/2007 |
| 7236330 | Disk head stability system A slider assembly, comprising a slider having a magnetic head for reading and/or writing to a storage medium, and a vibration absorber operatively coupled to the slider for reducing mechanical vibrations of the slider caused by contact of the slider with the storage... | 06/26/2007 |
| 7230796 | Features for improved slider attachment A slider for supporting at least one transducer includes a slider body having a bearing surface and an opposing mounting surface. The slider also includes at least one adhesive control feature formed on the mounting surface to increase a surface area on which an adh... | 06/12/2007 |
| 7199979 | Head gimbal assembly using slider and gimbal features A gimbal assembly includes a gimbal and a slider. The slider has at least one adhesive receiving feature which is formed on a mounting surface of the slider. The gimbal has a lock feature including at least one body that protrudes from a slider-engaging surface and ... | 04/03/2007 |
| 7199978 | Method and apparatus for connecting a micro-actuator to driver arm suspension A system and method for connecting an actuator to a suspension element is disclosed. The actuator is electrically coupled using a silver paste. The silver paste is further covered by a coating application to provide structural support. A step, attached to either the... | 04/03/2007 |
| 7193818 | Magnetic head device and method for making the same A magnetic head device includes a slider including a thin-film element for writing and/or reading and a support for supporting the slider, the slider being bonded to a joint surface of the support at least partially with a conductive resin. A method for making the m... | 03/20/2007 |
| 7170715 | Microsuspension assemblies for direct access storage devices Embodiments include a method for forming a head suspension assembly. A spacer layer is formed in or on a silicon wafer. A transfer film including an opening defining the shape of a slider support membrane is provided, and the opening is filled with a resin material.... | 01/30/2007 |
| 7167339 | Method for producing and inspecting tape head air-skiving edges A method is provided for providing air-skiving edges of a tape head. A slot is created in an upper face of a substrate of a tape head. The slot includes at least one edge defining an edge of a tape bearing surface (TBS) of the tape head. The surface of the tape head... | 01/23/2007 |
| 7157038 | Ultraviolet laser ablative patterning of microstructures in semiconductors Patterns with feature sizes of less than 50 microns are rapidly formed directly in semiconductors, particularly silicon, GaAs, indium phosphide, or single crystalline sapphire, using ultraviolet laser ablation. These patterns include very high aspect ratio cylindric... | 01/02/2007 |
| 7151650 | Head assembly including a variable device for adjusting an inclination of a slider A head assembly includes a suspension coupled to an end portion of an actuator arm located on a base to rotate around a pivot shaft, a head slider installed at the suspension and having a head to record and/or read information on and/or from a recording medium, and ... | 12/19/2006 |
