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| Number | Title | Issue Date |
| 8169748 | Damping member for a moveable flex circuit Method and apparatus for attenuating resonances in a flex circuit which interconnects a stationary element and a moveable element, such as a connector and a head stack assembly (HSA) in a data storage device. An intermediary portion of the flex circuit forms a dynam... | 05/01/2012 |
| 8154827 | Integrated lead suspension with multiple crossover coplanar connection of the electrically conductive traces An integrated lead suspension (ILS) or flexure has a connection scheme that allows for coplanar and interleaved conductive traces between read/write circuitry and a read/write head in a magnetic recording disk drive. At each end of the flexure there is an island of ... | 04/10/2012 |
| 8149543 | Hard disk drive apparatus having a flexible printed circuit with a plurality of traces in a specified order A hard disk drive apparatus includes a magnetic head having a write head to record data on a disk and a read head to read the data recorded on the disk, at least one actuator arm on which the magnetic head is mounted, a voice coil motor to rotate the at least one ac... | 04/03/2012 |
| 8144432 | Sinking heat from an integrated circuit to an actuator An actuator for selectively positioning a portion of a communication channel formed by a cable circuit having a protuberant component connected at a proximal end to a flexible base, whereby the actuator defines a heat transfer surface operably disposed in thermal co... | 03/27/2012 |
| 8144431 | Flex cable assembly for vibration reduction in HDD applications A hard disk drive flex cable assembly conveys data between a connector to a host system and a head stack assembly. It comprises a flex cable which in part has a first end for coupling to the connector, and a second end for coupling to the head stack assembly; and a ... | 03/27/2012 |
| 8134807 | Thermally enhanced disk drive A disk drive data storage system. The system comprises a data storage disk, a movable member positioned near the data storage disk, and a sensor assembly, supported and movable by the movable member, for writing data to and reading data from the data storage disk. T... | 03/13/2012 |
| 8130472 | Head support for a magnetic disk device Embodiments of the present invention provide a magnetic disk device that can reduce an external force applied to the carriage. According to one embodiment, in a magnetic disk device, a bracket inserted between a carriage and a base is supported toward the base side ... | 03/06/2012 |
| 8116041 | Flexible printed circuit holding mechanism of hard disk drive including FPC holder and FPC clip clipped to the holder, and actuator assembly including the same An FPC holding mechanism of an actuator assembly of a hard disk drive (HDD) includes an FPC holder protruding from an arm-mold of the actuator assembly, and an FPC clip mounted to the FPC holder so as to be rotatable. The FPC holder defines a guide groove into which... | 02/14/2012 |
| 8111485 | Arm mounted shock sensor and flexible circuit routing An actuator for supporting data transfer elements includes an arm, a flexible circuit assembly and a sensor. The flexible circuit assembly includes a stiffener having a mount feature and a turnaround feature. The flexible circuit assembly also includes a flexible ca... | 02/07/2012 |
| 8098459 | Connecting a preamplifier to a printed circuit board assembly on a hard disk drive Connecting a preamplifier to a printed circuit board assembly on a hard disk drive. The disk includes a housing, a head stack assembly coupled with the housing, a printed circuit board assembly comprising via holes, a preamplifier coupled with the head stack assembl... | 01/17/2012 |
| 8068314 | Head stack assembly with suspension tails extending into interfering slits in a flexible printed circuit A novel head stack assembly (HSA) is disclosed and claimed. The HSA includes an actuator including an actuator body and an actuator arm extending from the actuator body, and a flexible printed circuit (FPC) adjacent the actuator body. The FPC includes a slit thereth... | 11/29/2011 |
| 8064170 | Method to align a flexure tail having bent alignment tab feature to a flex cable of a head gimbal assembly A novel method and device to align a flexure tail of a head gimbal assembly (HGA) to a flex cable of a head stack assembly (HSA) is disclosed. An alignment pin is passed through a first alignment hole in the flex cable, and a second alignment hole in the flexure tai... | 11/22/2011 |
| 8018687 | Disk drive with flex cable bracket having alignment post by flex exit location A novel disk drive includes a flex cable having a first end portion fixed to an actuator assembly, a second end portion fixed to a flex cable bracket, and a free portion between the first and second end portions. The free portion joins the second end portion at a fl... | 09/13/2011 |
| 7961436 | Disk drive head stack assembly with clip for mounting a flex cable A disk drive has a novel head stack assembly that includes a flex cable having a width, an actuator body, and a clip. A top portion of the clip includes a first top slot and a second top slot, forming a non-zero acute angle. The bottom portion of the clip includes a... | 06/14/2011 |
| 7911742 | Stamped actuator arm having longitudinally spaced-apart stamped protrusions for supporting a trace suspension flex A novel head stack assembly is disclosed. The novel head stack assembly includes a stamped actuator arm and a head gimbal assembly attached to the stamped actuator arm. The head gimbal assembly includes a trace suspension flex having a metal base layer and a plurali... | 03/22/2011 |
| 7907369 | Head gimbal assembly with flexure tail having bent alignment tab feature A novel method and device to align a flexure tail of a head gimbal assembly (HGA) to a flex cable of a head stack assembly (HSA) is disclosed and claimed. An alignment pin is passed through a first alignment hole in the flex cable, and a second alignment hole in the... | 03/15/2011 |
| 7903377 | System, method, and apparatus for an independent flexible cable damper for reducing flexible cable fatigue in a hard disk drive A hard disk drive has a flexible cable and a flexible cable damper positioned adjacent to but separate from the flexible cable. The damper is a thin film loop with a damper patch that is completely independent of the flexible cable. The damper strip is a non-signal ... | 03/08/2011 |
| 7881016 | Method and apparatus for spring clip latch for retaining hard disk drive actuator onto bracket of flex circuit assembly A latching mechanism for a flex cable bracket. The latching mechanism includes a position limiter. The position limiter prevents movement of an actuator assembly installed thereon. The latching mechanism also includes a spring clip. The spring clip has spring functi... | 02/01/2011 |
| 7869164 | Flexible printed circuit board having crack-preventing features between static and dynamic regions, and hard disk drive employing the same A flexible printed circuit board has a flexible dynamic region, and relatively rigid static regions between which the dynamic region extends. Portions of a base layer, a patterned conductive layer extending on the base layer, and a cover layer covering the conductiv... | 01/11/2011 |
| 7859796 | Disk drive and arm coil support assembly A disk drive and an arm coil support assembly are to be provided which enables a trace to be disposed with a simple construction without the need of machining arms. In one embodiment, a trace for connection between a head and an FPC is disposed on an opposite surfac... | 12/28/2010 |
| 7855855 | Recording apparatus A recording apparatus including a recording head having an actuator and operable to perform recording on a recording medium by an operation of the actuator, a head holder holding the recording head, a circuit board having a heat-conductive substrate and provided on ... | 12/21/2010 |
| 7760470 | Electrical 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... | 07/20/2010 |
| 7733609 | Method for manufacturing a magnetic head arm assembly (HAA) A system and method for an improved magnetic head arm assembly (HAA) is disclosed. The HAA includes three principal components, a head gimbal assembly (HGA), a flexible printed circuit (FPC) assembly, and an actuator coil assembly. The design allows for HAA rigidity... | 06/08/2010 |
| 7729091 | Clip for mounting a flex cable within a head stack assembly A method and system or mounting a flex cable within a head stack assembly is disclosed. The flex cable has a width. The method and system include providing a top portion and a bottom portion coupled to the top portion. The top portion includes a first top slot and a... | 06/01/2010 |
| 7697276 | Fixing apparatus for hard disk drive An exemplary fixing apparatus is for mounting a hard disk drive (HDD) having a plurality of holes defined in sidewalls and includes a bracket, a clip, and a plurality of fixing pins. The bracket includes an end plate, and a pair of side plates extending from opposit... | 04/13/2010 |
| 7684182 | Fixing apparatus for data storage device A fixing apparatus for fixing a data storage device with a plurality of mounting holes defined in sidewalls thereof includes a first bracket, a second bracket, and a latch member. The first bracket includes a side sheet and a base sheet perpendicularly connected the... | 03/23/2010 |
| 7675713 | Head suspension with flexure vibration clearance A head suspension for a hard disk drive has a base attached to a carriage of the hard disk drive and is turned around a spindle. A load beam includes a rigid part and a resilient part which applies load onto a head at a front end of the load beam to write and read d... | 03/09/2010 |
| 7667931 | Flexible electrical interconnection with ends urged into engagement with curved surfaces of a support and hub in a miniature hard disk drive and method A head stack assembly of a disk drive has a hub including a side margin defining a channel for carrying VCM conductors at least partially around an angular offset such that the conductors are contained within a peripheral outline of the hub and the conductors can ex... | 02/23/2010 |
| 7652849 | Flexible cable positioning structure and magnetic disk drive A positioning structure for a flexible cable having a movable portion is provided. In one embodiment, an FPC cable mounted to a base is received within a slit of a fixing plate. The FPC cable is disposed perpendicularly to a bottom surface of a base. On the fixing p... | 01/26/2010 |
| 7649717 | Data storage device with support for wiring structure portion to suppress fluttering Embodiments suppress a fluttering phenomenon of a wiring structure portion for signal transmission between a head and an FPC. In one embodiment, an actuator has a support portion which accommodates a wiring structure portion. The wiring structure portion is provided... | 01/19/2010 |
| 7649718 | Flex circuit dampener for reduction of seek induced vibrations in a disk drive The present invention is a dampening device for a flex circuit of a disk drive. The dampening device engages the flex circuit to alter is vibrational effect generated by the moment of the flex circuit that adversely affects post seek oscillations performance of the ... | 01/19/2010 |
| 7646567 | Flex on suspension with a heat-conducting protective layer for reflowing solder interconnects A FOS is provided for electrically connecting a data transfer head with a PCCA. The FOS comprises a polymeric layer supporting an electrical trace. The electrical trace comprises an uninsulated pad surface configured for electrically engaging a solder interconnect o... | 01/12/2010 |
| 7616408 | Hard disk drive connecting a flexible printed circuit and actuator having vertical mating A hard disk drive (HDD) with an efficient connection between a flexible printed circuit and an actuator arm. The structure includes a flexible printed circuit having the flexible printed circuit and a stiffener for supporting the flexible printed circuit, and an act... | 11/10/2009 |
| 7606005 | Connection structure for actuator and flexible printed circuit of hard disk drive An actuator of a hard disk drive (HDD). The actuator includes an actuator arm installed to be rotatably connected to a base plate of the HDD and having a pivot hole, a VCM (voice coil motor) coil connected to a rear portion of the actuator arm, upper and lower yokes... | 10/20/2009 |
| 7538981 | Head stack assembly including a flexure with radially inward fingers projecting into a flexure tail hole, and method of coupling the flexure to a flex cable There is provided a head stack assembly (HSA) for a disk drive. The head stack assembly includes an actuator, a flex cable attached to the actuator, and a head gimbal assembly (HGA) attached to the actuator. The HGA includes a read head and a flexure attached to the... | 05/26/2009 |
| 7525768 | Electrical 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 |
| 7525767 | System for low profile termination with robust alignment for wireless suspension in hard disk drive In a hard disk drive, suspension termination pads meet the flex cable termination pads at an intersecting angle. The width of these pads is approximately the same width as the conductor widths. Alignment robustness is attained by choosing an intersection angle that ... | 04/28/2009 |
| 7522384 | Method 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 |
| 7518832 | Coil assembly, head suspension assembly, disk device, and method of manufacturing head suspension assembly A coil assembly of a disk device includes a support frame on which a voice coil is fixed and a board unit connected to the support frame. The board unit has a main FPC extending from a base portion and a connecting portion extending from one side of an extended end ... | 04/14/2009 |
| 7495866 | Recording disk drive capable of suppressing vibration of flexible printed circuit board A fixing member is spaced from a head actuator by a predetermined distance. A flexible printed circuit board extends at least from the head actuator to the fixing member. The flexible printed circuit board is superposed on the surface of the fixing member. A viscoel... | 02/24/2009 |
