Celebrity Inventors
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 |
| 7829793 | Additive disk drive suspension manufacturing using tie layers for vias and product thereof An additive process disk drive suspension interconnect, and method therefor is provided. The interconnect has a metal grounding layer of typically stainless steel or copper metallized stainless steel, a metal conductive layer and an insulative layer between the meta... | 11/09/2010 |
| 7609481 | Oppositely deflected suspension flexure providing increased dimple contact force Method and apparatus in which a disk drive suspension flexure tongue supports a slider. A flexure frame attached to a suspension supports the tongue in dimple engagement with the suspension. Spaced, separate biasing structures on the frame act oppositely on the tong... | 10/27/2009 |
| 7595965 | Single PZT actuator for effecting rotation of head suspension loads A head suspension assembly couples a baseplate to a rotatable load through a planar triangular piezo microactuator for effecting hingeless rotation of the load. The microactuator expands, responsive to an excitation voltage, with greater magnitude in one direction t... | 09/29/2009 |
| 7573680 | Etched laminate structures for reducing track mis-registration in a disk drive suspension Structures and methods for creating a vertical offset between suspension springs or fingers within a suspension head assembly for use in a disk drive are disclosed, the vertical offset helping to reduce track mis-registration errors. The base plate and load beam may... | 08/11/2009 |
| 7570458 | Disk drive suspension with reduced off-track error Apparatus for a disk drive having an actuator controlled suspension in operative association with a disk. The suspension mounting plane datum plane and suspension datum plane diverge at an acute angle. When the suspension is subjected to use conditions including see... | 08/04/2009 |
| 7551404 | Load beam having concave stiffener with locating flanges A disk drive suspension has a mount plate, an outwardly tapered load beam supported by the mount plate and having a base portion, a hinge portion, a beam portion having a first face with turned edges and a flexure supported by the beam portion distally of said beam ... | 06/23/2009 |
| 7551401 | Offset limiter for disk drive suspension A disk drive suspension assembly employing an offset limiter for allowing bending of a flexure with respect to a load beam after joining the two. The assembly comprises a baseplate, a load beam and a flexure, the load beam including one or more engagement surfaces, ... | 06/23/2009 |
| 7542241 | Disk drive suspension with 1and 2torsion control through rail height variation and offsetting beam portion deflection For controlling 1st and 2nd torsion characteristics in a disk drive suspension, a disk drive suspension is provided having a beam portion with edge rails extending along its edge regions, the edge rails are locally varied substantially identica... | 06/02/2009 |
| 7532438 | Wireless flexure with curved trace geometry against pitch and roll adjustment springback A wireless disk drive suspension and method of manufacture in which curvilinear deflections of the plastic film and conductive traces relative to the flexure metal layer provide for containment of the strains accompanying pitch and roll adjustment of the flexure and... | 05/12/2009 |
| 7523549 | Dimensionally stabilized flexible circuit fabrication method and product A method of fabricating a flexible circuit interconnect comprising a conductive pattern on a flexible substrate comprising layers of different components having different coefficients of thermal expansion, including exposing the flexible substrate sequentially to di... | 04/28/2009 |
| 7511925 | Windage insensitive disk drive suspension Windage is the sum of multifarious airflows induced and endured inside a disk drive. The invention provides a disk drive suspension and method for use in windage conditions within a disk drive. The suspension has a base portion carrying a hinge portion that carries ... | 03/31/2009 |
| 7508633 | Asymmetric load beam for improving resonance performance of hard disk drive suspension Structure for a load beam used in hard disk drive devices includes an asymmetric structure. The load beam exhibits longitudinal asymmetry (i.e., asymmetry along its long axis) in regard to the weight distribution, but has a center of mass that lies along its longitu... | 03/24/2009 |
| 7502203 | Hard disk drive suspension employing a vertical offset to reduce track mis-registration induced by disk vibration Apparatus and method for reading and writing information onto a hard disk drive is provided. The apparatus includes a suspension assembly for a hard disk drive. The suspension assembly includes at least two spring extensions that couple to a proximal portion of a lo... | 03/10/2009 |
| 7489493 | Method to form electrostatic discharge protection on flexible circuits using a diamond-like carbon material Techniques for preventing electrostatic discharge (ESD) and circuit noise are provided. More particularly, the present invention provides a method to prevent ESD damage during the assembly of computer disk commonly called a hard disk for memory applications. The coa... | 02/10/2009 |
| 7489477 | Delayed limiter positioning in suspension manufacture Static attitude (SA) adjustment of a disk drive suspension load beam is conducted before final alignment of a limiter to increase adjustment range, to avoid limiter damage, and to minimize unintended distortion of parts during adjustment. To have the SA adjustment b... | 02/10/2009 |
| 7460337 | Low density, high rigidity disk drive suspension for high resonance frequency applications A disk drive suspension component for carrying a slider at a disk is formed of a laminate of at least three metal layers of like mechanical and chemical formability, including a first outer layer, a second outer layer, and an intermediate layer, at least one of the ... | 12/02/2008 |
| 7459835 | Loading-protected bending microactuator in additive suspensions A microactuated disk drive suspension for supporting a slider at a disk includes a load beam extending in a plane and having on a common axis a base section adapted for mounting to an actuator, a spring section and a beam section carrying a flexure and the slider th... | 12/02/2008 |
| 7420772 | Integral anvil for pre-loading a disk drive suspension assembly A baseplate in a disk drive suspension system is configured with an integral anvil having a spring-forming edge that coincides with an optimal bend location on a linear flex spring. The spring attaches to upper surfaces of baseplate and load beam to allow for alignm... | 09/02/2008 |
| 7417830 | Head gimbal assembly with dual-mode piezo microactuator A disk drive suspension has a load beam having a base, a flexure for carrying a slider, and a mount plate. The suspension mount plate has a first portion attachable to an actuator and movable by the actuator as the primary shifting force on the load beam, suitable f... | 08/26/2008 |
| 7408743 | Hard disk drive suspension employing a vertical offset to reduce track mis-registration induced by disk vibration Apparatus and method for reading and writing information onto a hard disk drive is provided. The apparatus includes a suspension assembly for a hard disk drive. The suspension assembly includes at least two spring extensions that couple to a proximal portion of a lo... | 08/05/2008 |
| 7408744 | Impedance control with reduced stiffness contribution from electrical interconnect Method and apparatus for reduced contribution to suspension hinge stiffness of an electrical interconnect metal layer while retaining substantial impedance reductions from the metal layer use a sinuous pattern of removed and retained subregions of the metal layer se... | 08/05/2008 |
| 7382582 | Reduced cross talk in wireless suspensions Reduced cross talk between adjacent read and write circuits in a disk drive suspension interconnect results from interposing a ground trace conductor between the circuits and generally for the full length thereof and grounding the ground trace conductor suitably thr... | 06/03/2008 |
| 7379271 | Multilayer gimbal suspension element manufacture with co-etchable layers Shaping of a gimbal suspension element for a disk drive suspension using fewer process steps includes disposing an element, precursor assembly of a plastic film layer and a copper layer with an interlayer of a copper seed layer and a Monel alloy for etching, and etc... | 05/27/2008 |
| 7375930 | Apparatus for PZT actuation device for hard disk drives A method (and apparatus) for operating a disk drive apparatus. The method includes moving a movable member about a fixed position to move a read/write head coupled to a slider to a selected track on a disk. The selected track is at least one of a plurality of tracks... | 05/20/2008 |
| 7307817 | Disk drive suspension with limiter feature A disk drive suspension and method has a limiter structure that limits movement of the tongue relative to a surrounding frame by extending the plastic film layer and optionally the metal layer components of a flexure-defining flexible circuit laminate beyond the fle... | 12/11/2007 |
| 7298589 | HDD suspension and method including contoured rail and ports Techniques for reducing weight while maintaining sufficient stiffness of a suspension assembly in provided. The suspension assembly includes a surface having a proximal end and distal end. A length is defined between the proximal end and the distal end. At least one... | 11/20/2007 |
| 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 |
| 7298590 | Suspension limiter with proximally cantilevered limiter members A disk drive suspension and method uses two proximally cantilevered members to limit tongue movement in a suspension of a load beam having a beam portion and a flexure having a tongue. The suspension has a limiter structure comprising the two proximally cantilevered... | 11/20/2007 |
| 7292413 | Microactuated suspension with shear transmission of force A disk drive suspension has a base portion, a spring portion, and a beam portion carrying a slider at a disk. The base portion is a laminate of two inextensible outer layers and an inner layer that is extensible in shear. Microactuators that expand or contract are a... | 11/06/2007 |
| 7280316 | Hard disk drive suspension employing a vertical offset to reduce track mis-registration induced by disk vibration Techniques for reading and writing information onto a hard disk drive are provided. According to an embodiment of the present invention, a suspension assembly for a hard disk drive includes a load beam having a mounting region, a first spring extension on a first si... | 10/09/2007 |
| 7265944 | Load beam spring portion with enhanced resistance to plastic deformation in manufacturing processes A load beam for a disk drive suspension in which the radius of the perimeter transition between the load beam portion and the load beam spring portion is increased to ensure the stress encountered when the load beam is bent from its normal range, for installation in... | 09/04/2007 |
| 7225051 | Closed-loop feedback for maximizing Cpk in progressive forming operations A method and system for maximizing process capability in a progressive forming operation. The method compensates for deviations introduced by unformed components, and uses closed loop feedback to compensate for deviations introduced by forming tools. Fiducial featur... | 05/29/2007 |
| 7149060 | Actuation device and method for high density hard disk drive head A disk drive apparatus. The apparatus has a first drive device and a support member coupled to the first drive device. The support member has a tongue portion and a gimbal portion. The tongue portion is coupled the gimbal portion. A fixed drive device is formed with... | 12/12/2006 |
| 7121840 | Suspension with no-solder, no-resin conductor extending through insulator-spaced metal layers A resin free and solder free electrical connection in a disk drive suspension interconnect is provided including an electrical connection between conductive traces of a first metal layer and a second metal layer with a conductor pin having electrical connection with... | 10/17/2006 |
| 7099116 | Disk drive suspension with second spring function A disk drive suspension comprising a metal member having a base portion, a distal portion and a spring portion therebetween is provided with a second spring of usually greater thickness that is parallel with and spaced from the first spring, and supported in place b... | 08/29/2006 |
| 7079357 | Additive-process suspension interconnect with controlled noise A disk drive electrical interconnect assembly and additive method therefor. The interconnect assembly has a supporting or fifth layer of metal, a fourth layer of a polyimide precursor or a polyimide with a first face directed away from the fifth layer, a third layer... | 07/18/2006 |
| 7035051 | Low stiffness, high torsion suspension for disk drives A low stiffness, high torsion disk drive suspension having reduced gram load change after backbending includes a laminate of a metal layer, a plastic film layer and a plurality of conductors, a spring portion, a base portion and a distal portion with contiguous disc... | 04/25/2006 |
| 7035050 | Flexible circuit laminate shunt for disk drive suspensions A disk drive suspension interconnect of a flexible conductive laminate with an electrically insulative layer and a pair of trace conductors supported thereon is shunted by having an insulative layer first portion supporting the trace conductors oppose a deflectable ... | 04/25/2006 |
| 7034372 | HGA dynamics testing with shear mode piezo transducers An HGA dynamics tester and method are provided in which a shear mode piezo actuator having a dimensional change responsive to an input voltage while supported on a mass is coupled through an HGA support to impart movement to the HGA responsive to the actuator dimens... | 04/25/2006 |
| 7006333 | Suspension with flexure mounted microactuator The invention provides a disk drive suspension. The suspension has a load beam and a flexure having a frame and a tongue portion having a base and a tongue. The flexure mounts one or more microactuators in opposed or offset relation for shifting the base of the flex... | 02/28/2006 |
