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Actuator for use with a disk drive having a coil assembly designed to aid in heat convection from the coil of the coil assembly

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G11B-00555
출원번호 US-0377572 (2003-02-28)
발명자 / 주소
  • Lin, Chen-Chi
  • Krum, Richard G.
출원인 / 주소
  • Western Digital Technologies, Inc.
대리인 / 주소
    Blakely, Sokoloff, Taylor &
인용정보 피인용 횟수 : 56  인용 특허 : 4

초록

Disclosed is an actuator for use with a disk drive having a coil assembly designed to aid in heat convection from the coil of the coil assembly. The actuator includes a body portion for pivotally coupling to the disk drive and an actuator arm cantilevered from the body portion for supporting a head

대표청구항

1. An actuator for use with a disk drive, the actuator comprising:a body portion for pivotally coupling to the disk drive; an actuator arm cantilevered from the body portion for supporting a head gimbal assembly (HGA); and a coil assembly including a coil and a fork, the fork cantilevered from the b

이 특허에 인용된 특허 (4)

  1. Ratliff Ryan T. ; Eckerd Steve S., Heat sink for a voice coil motor.
  2. Adams Carl F. ; Trammell Curtis A., Heat transfer plate for an actuator assembly.
  3. Chayakorn Thanomsat ; David Douglass Koester ; Roger Alan Resh, Thermally compensated rotary positioning system for a disc drive.
  4. Macpherson, Aaron Steve; Kant, Rishi; Kelsic, Gary F., Thermally conductive overmold for a disc drive actuator assembly.

이 특허를 인용한 특허 (56)

  1. Nguyen, Daniel T.; Sill, Kevin R., Actuator pivot assembly including a bonding adhesive barrier configured to reduce contamination.
  2. Chen, Yih-Jen D.; McNab, Robert J., Apparatus for manufacturing piezoelectric actuators.
  3. Nguyen, Daniel T.; Watson, Scott E.; Liem, Andre Y.; Garbarino, Jonathan M.; Weiher, Joshua P., Coined VCM tab to limit cover deflection under pinch load.
  4. Tian, Jifang; Li, Hongqi; Flynn, William; Hu, Xiaoping; Obregon, Francisco, Devices and methods for system-level disk drive vibration and shock testing.
  5. Budde, Richard August; Purani, Dipeshkumar J., Disc drive actuator assembly with bearing cooling.
  6. Budde, Richard August; Purani, Dipeshkumar J., Disc drive actuator assembly with bearing cooling.
  7. Hirasaka,Yoshihiro; Ohta,Mutsuo, Disk drive actuator for dissipating heat therefrom.
  8. Lee, Yu-Min; Golgolab, Arman V.; Yang, Jian, Disk drive actuator having a C-shaped bobbin with wings adjacent longitudinal coil legs.
  9. Yang, Jian; Tian, Jifang; Yang, Qiang; Li, Hongqi, Disk drive actuator having a bobbin contacting a closed coil periphery at two locations.
  10. Lee, Yu-Min; Zheng, Hao; Griggs, Ian; Tran, Gregory, Disk drive actuator having a radially stepped pivot bore.
  11. Mani Biswas, Mousumi, Disk drive filter including fluorinated and non-fluorinated nanopourous organic framework materials.
  12. Gustafson, John R.; Patel, Mukesh, Disk drive having a conformal peripheral foil seal having an opening covered by a central metal cap.
  13. Horasart, Theerapong; Bupphasawan, Meatasit; Chaiboon, Chinorot, Disk drive having a stationary plate between disks with grooves adjacent fastener holes.
  14. Smyth, Nicholas D.; Myers, David K., Disk drive having a top cover channel vented to a central cavity via a hole through a bottom land.
  15. Smyth, Nicholas D.; Myers, David K., Disk drive having a top cover channel vented to a central cavity via a peripheral clearance gap.
  16. Pan, Tzong-Shii; Chen, Yih-Jen Dennis; Shum, Wing Chun, Disk drive head gimbal assembly having a flexure tail with a dielectric layer that has regions of lesser thickness.
  17. Pan, Tzong-Shii; Zhang, Cliff, Disk drive head stack assembly having a flexible printed circuit with bond pads having reduced capacitance.
  18. Chen, Yih-Jen Dennis; Liu, Yanning; Teo, Kia Moh, Disk drive head suspension tail with a noble metal layer disposed on a plurality of structural backing islands.
  19. Chen, Yih-Jen Dennis; Liu, Yanning; Teo, Kia Moh, Disk drive head suspension tail with a noble metal layer disposed on a plurality of structural backing islands.
  20. Chen, Yih-Jen Dennis; Liu, Yanning; Teo, Kia Moh, Disk drive head suspension tail with ground pad outside of bonding region.
  21. Chen, Yih-Jen D.; Pan, Tzong-Shii, Disk drive head suspension tail with stiffened edge alignment features.
  22. Chen, Yih-Jen D.; Pan, Tzong-Shii, Disk drive head suspension tail with stiffened edge alignment features.
  23. Chen, Yih-Jen Dennis; Pan, Tzong-Shii, Disk drive head suspension with a dual dimple and a flexure tongue with a piezoelectric microactuator.
  24. Kloeppel, Klaus; Ilagan, Ronald G.; Nguyen, Diep L., Disk drive spindle with fluid journal bearing having increased radial clearance in axial end regions.
  25. Pan, Tzong-Shii, Disk drive system.
  26. Parker, Joshua; Petersen, Frederic C.; Couture, Shawn P.; Kuniyil, Prabheesh Balakrishnan; Nykanen, Bob A., Disk drive tolerance ring with edge rounding from opposite major faces.
  27. Sill, Kevin R.; Little, Aaron D., Disk drive with self sealing screw attachment of actuator pivot.
  28. Gustafson, John R.; Patel, Mukesh, Disk drive with slow acting desiccant.
  29. Kloeppel, Klaus, Grooved cylindrical seal with increased radial clearance for reduced cost disk drive spindle.
  30. Le, Lynn Bich-Quy; Hitchner, Thomas J., Hard disk drive enclosure base with a helium sealed gasket.
  31. Le, Lynn Bich-Quy; Hitchner, Thomas J., Hard disk drive enclosure base with feed through flexure design and accompanying flexure.
  32. Shum, Wing Chun; Liu, Yanning; Scura, John E., Head gimbal assembly having a flexure tail with cover layer standoff islands.
  33. Zhang, Yiduo; Pan, Tzong-Shii; Chen, Yih-Jen D., Head stack assembly method using flexure tail raised region.
  34. Pan, Tzong-Shii; Ho, Shufun, Head stack assembly with a flexible printed circuit having a mouth centered between arms.
  35. Zhang, Yiduo; Pan, Tzong-Shii; Chen, Yih-Jen D., Head stack assembly with flexure tail retention features.
  36. Pan, Tzong-Shii, Head suspension having a flexure tail with a covered conductive layer and structural layer bond pads.
  37. Casey, Shawn E.; Tian, Jifang; Campbell, Tegan; Li, Hongqi; Flynn, William, Information storage device with a damping insert sheet between a housing bay and a disk drive.
  38. Hanke, Frederick J., Information-storage device including an oxygen absorbing device.
  39. Davidson, Marc; Myers, David K.; Willis, Terrance J., Magnetic head separator connected to a ramp.
  40. Davidson, Marc; Myers, David K.; Willis, Terrance J., Magnetic head separator fin material to prevent particulate contamination on slider.
  41. Novotny, Vlad; Berding, Keith R., Magnetic recording drives with active photocatalytic filtration.
  42. Perlas, Joseph A.; Vangal-Ramamurthy, Jambunathan, Method of imbalance correction using a grooved disk clamp.
  43. Pan, Tzong-Shii; Magsombol, Fernando A., Method of manufacturing a disk drive head gimbal assembly having a flexure tail with folded bond pads.
  44. Nguyen, Diep L.; Ilagan, Ronald G.; Kloeppel, Klaus, Rotary spindle having a disk clamp bottom land facing and in contact with a shaft top land.
  45. Watson, Scott E.; Lee, Yau-Shing; Hitchner, Thomas J.; Myers, David K., Slim form factor disk drive comprising disk drive enclosure having an insular raised region.
  46. Davidson, Marc; Krishnan, Varuvadivelan; Tan, Siu Ken; Kok, Kin Lim, Sloping transition on a ramp of a hard disk drive.
  47. Dougherty, Mitchell D., Spindle motor magnet diameter increase above head plane.
  48. Yucesan, Guven; Wittig, Larry E.; MacKinnon, Roy J.; Dorval, Daniel J., Stiffened voice coil for reduction of tracking errors in a disk drive.
  49. Smyth, Nicholas D.; Nguyen, Daniel T.; Myers, David K., Storage device with a cover supporting portion.
  50. Smyth, Nicholas D.; Nguyen, Daniel T.; Myers, David K., Storage device with a cover supporting portion.
  51. Liu, Yanning; Shum, Wing C.; Scura, John E., Suspension assembly having a microactuator electrically connected to a gold coating on a stainless steel surface.
  52. Liu, Yanning; Shum, Wing Chun; Scura, John E., Suspension assembly having a microactuator electrically connected to a gold coating on a stainless steel surface.
  53. Seymour, Mark S.; Dougherty, Mitchell D.; Banshak, Jr., Walter G.; Hales, Geoffrey A., Suspension clamp for clamping a disk drive suspension to an actuator arm.
  54. Tafreshi, Shahriar A.; Lee, Yu-Min, Tamper-evident seals having adhesive-free areas to minimize rework time.
  55. Heo, Baekho; Weiher, Joshua P., Threaded disk clamping element with step on disk contact surface.
  56. Tian, Jifang; Yang, Jian; Yang, Qiang, Ultra-thin HDD embedded disk clamp design.
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