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Actuator arm with streamlined leading edge to reduce air turbulence

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G11B-005/48
  • G11B-021/00
출원번호 US-0000689 (1997-12-30)
발명자 / 주소
  • Peterson Alvin Robert
  • Adams Carl Fred
  • Granger Robert Thurston
출원인 / 주소
  • Seagate Technology, Inc.
대리인 / 주소
    Crowe & Dunlevy
인용정보 피인용 횟수 : 28  인용 특허 : 5

초록

An apparatus and associated method are described which reduce air turbulence in a disc drive assembly. In a method of use, a groove is machined into a side portion of an actuator arm and then a streamlined actuator arm side rail is inserted into the groove to provide streamlining characteristics to

대표청구항

[ What is claimed is:] [1.] An actuator assembly in a disc drive having a single, rigid rotatable disc with a recording surface, the actuator assembly comprising:a rigid actuator arm having a first end adjacent a pivot axis and a second end mechanically coupled to a flexure assembly which in turn su

이 특허에 인용된 특허 (5)

  1. Bauck Randall C. (Longmont CO) Kellow ; Sr. Raymond E. (Boulder CO) Norwood Richard E. (Boulder CO) Schaefer Donald W. (Lakewood CO), Cantilevered head support arm having increased resonance frequency.
  2. Hagen Tracy M. (Edina MN), Flexure mounting system for hard disc drives.
  3. Webber Valerie P. (Hutchinson MN), Head suspension assembly which includes a load beam element having relief channels.
  4. Stefansky Frederick M. (Longmont CO) Hase Karl E. (Lyons CO) Lerdal Michael J. (Longmont CO) Bryan William J. (Boulder CO) Repphun William (Boulder CO) Hogan Thomas (Superior CO) Wong Walter (Boulder, Method of assembling a disk drive actuator.
  5. Schaefer Donald W. (Lakewood CO), R/W Arm that prevents catastrophic failure.

이 특허를 인용한 특허 (28)

  1. Huynh, Duane Q., Actuator arm design for reducing power consumption in a disk drive data storage device.
  2. Srinivas Tadepalli ; Kenneth L. Pottebaum ; Roy L. Wood, Actuator arm with tapered trailing edge and recessed head conductor.
  3. Kant, Rishi; Chang, Alexander W.; Speckmann, Steven R., Actuator assembly for a disc drive having shell extensions.
  4. Zuo,Xu; Sun,Xiaohong, Actuator with fluid-redirecting and drag-reducing surface features.
  5. Tadepalli, Srinivas; Welscher, Cory Bert; Jones, Jonathan Pahl; Severson, Gregg Jon, Aerodynamic air current diverting apparatus.
  6. Rao, Ram Mohan; Himes, Adam Karl; Boutaghou, Zine Eddine; Ryun, Scott Edward; Mangold, Markus Erwin, Disc drive actuator assembly drag reduction features.
  7. Oveyssi,Kamran; Lin,Chen Chi, Disk drive actuator arm assembly having a portion of the arm at a greater distance from a disk recording surface than the arm tip portion.
  8. Okada, Takahisa; Takahashi, Kohji; Saito, Takeshi; Hiramatsu, Tomoki, Disk drive apparatus and head assembly using a resin member to accommodate a wire structure.
  9. Schreck,Erhard; Brunnett,Donald J; Yu,Jingbo; Crimi,Francis P.; Hughes,Scott; Banh,Duc; Hurtado,Anthony R.; Saito,Kazuhiro; LeFebvre,Andrew; Hawks,Chris; Nguyen,Thao Anh; Strom,Brian; Schardt,Bruce C., Disk drive that positions a head at multiple head-to-disk spacings.
  10. Schreck,Erhard; Ferber,Joerg; Mallary,Michael; Hurtado,Anthony R.; Hawks,Chris; Hughes,Scott, Disk drive that varies the power to a slider mover during transitions between drive operations.
  11. Schreck,Erhard; Hurtado,Anthony R.; LeFebvre,Andrew; Hawks,Chris; Nguyen,Thao Anh; Hughes,Scott; Schardt,Bruce C.; Brunnett,Donald J., Disk drive with performance driven head-to-disk spacing.
  12. Chang,Yu Li; Nath,Bijoyendra; Rao,Ram M.; Ryun,Scott E.; Boutaghou,Zine Eddine; Himes,Adam K.; Mangold,Markus E.; Forbord,Kent J.; Xia,Su; Rafaelof,Menachem, Drive level flow-field conditioning to reduce flow field turbulence.
  13. Misso, Nigel F.; Nelson, Eldon L.; Martin, Anthony E., E-block with stamped and drawn actuator arm members.
  14. Korkowski, Kurt J.; Browning, Theodore R.; Park, Jung S.; Karau, Warren S.; Amendola, Gary M., Head actuator with head support excitation shield.
  15. Tsuda, Naozumi; Maruyama, Tsugito, Head arm having through hole for making head arm lightweight, head moving mechanism and disk unit having the head arm.
  16. Kubotera,Hiroyuki; Tsuda,Naozumi; Maruyama,Tsugito, Head arm of magnetic disk device.
  17. Wobbe, David G.; Mangold, Markus E.; Boutaghou, Zine Eddine, Head suspension assembly having an air deflector.
  18. Schreck,Erhard; Crimi,Francis P.; Bahn,Duc; Nguyen,Thao Anh; Saito,Kazuhiro; Brunnett,Donald J.; LeFebvre,Andrew; Hughes,Scott; Strom,Brian; Mallary,Michael; Shim,Hyunchul; Schardt,Bruce C., Method for adjusting head-to-disk spacing in a disk drive.
  19. Hurtado,Anthony R.; Schreck,Erhard; Banh,Duc; Glassburn,Tim; Saito,Kazuhiro; Hughes,Scott; Strom,Brian; Oswald,Richard K., Method of detecting changes in operability status of a slider mover in a disk drive.
  20. Blick, Dan; Kang, Seong-Woo, Reaction mass dual-stage actuator (DSA) and sensor.
  21. Soga, Eiji; Hayakawa, Satoshi; Chawanya, Takeshi; Takeuchi, Kohichi, Rotating disk storage device with suppressed arm fluttering.
  22. Raphael, William John; Adams, Carl Fred; Misso, Nigel Frank; Coker, Kenny Troy; Nelson, Eldon L, Saw tooth actuator for a disc drive.
  23. Schreck,Erhard; Crimi,Francis P.; LeFebvre,Andrew; Banh,Duc; Nguyen,Thao Anh; Strom,Brian; Schardt,Bruce C., System and method for adjusting head-to-disk spacing in a disk drive.
  24. Schreck,Erhard; Crimi,Francis P.; Yu,Jingbo; Mallary,Michael; Hughes,Scott; Bahn,Duc; Heimbaugh,Mark; Saito,Kazuhiro; LeFebvre,Andrew; Ferber,Joerg; Hu,Xiaoping; Krajnovich,Douglas J.; Hawks,Chris; Brunnett,Donald J; Schardt,Bruce C, System for detecting a change in head-to-disk contact status in a disk drive.
  25. Schardt,Bruce C.; Schreck,Erhard; Yu,Jingbo; Mallary,Michael; Hughes,Scott; Banh,Duc; Saito,Kazuhiro; Brunnett,Donald J; Glassburn,Tim; Hawks,Chris; Nguyen,Thao Anh; LeFebvre,Andrew; Ferber,Joerg; Oswald,Richard K.; Strom,Brian, System for monitoring and dynamically adjusting head-to-disk spacing in a disk drive.
  26. Yamada, Hiroyuki; Kato, Daiki; Nagamiya, Keiji, Voice coil motors and magnetic circuits therefor.
  27. Fan,Yaling; Weichelt,Brent Melvin; Presly,Colin, Windage stripper for an actuator and rotating disc.
  28. Dahlenburg, Rodney Dale; Toffle, Mark August; Weichelt, Brent Melvin, Windage suppression device and associated method for a retractable air flow control.
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