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Disk drive head gimbal assembly having a flexure tail with folded bond pads 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G11B-005/55
  • G11B-021/08
출원번호 US-0916237 (2010-10-29)
등록번호 US-8467153 (2013-06-18)
발명자 / 주소
  • Pan, Tzong-Shii
  • Magsombol, Fernando A.
출원인 / 주소
  • Western Digital Technologies, Inc.
인용정보 피인용 횟수 : 58  인용 특허 : 35

초록

A head gimbal assembly for a disk drive includes a read head and a suspension assembly. The suspension assembly includes a load beam and a laminate flexure. The laminate flexure includes a structural layer, a dielectric layer, and a conductive layer. The laminate flexure includes a tongue portion th

대표청구항

1. A head gimbal assembly for a disk drive, the head gimbal assembly comprising: a read head; anda suspension assembly that comprises a load beam, anda laminate flexure that comprises a structural layer, a dielectric layer, and a conductive layer, the laminate flexure including a tongue portion that

이 특허에 인용된 특허 (35)

  1. Bennin,Jeffry S.; Giere,Scott C.; Griesbach,Jason S.; Haugen,Brett L.; Heffelfinger,Jason R.; Ingle,Dennis M.; Peterson,Tony S., Apparatus for insulating and electronically connecting piezoelectric motor in dual stage actuator suspension from the same side of the suspension.
  2. Shiraishi, Masashi; Yagi, Ichiro, Bonding structure for a hard disk drive suspension using anisotropic conductive film.
  3. Shiraishi,Masashi; Yagi,Ichiro, Bonding structure for a hard disk drive suspension using anisotropic conductive film.
  4. Tang Pao-Yun,TWX ; Chang Shyh-Ming,TWX ; Lee Yu-Chi,TWX ; Fang Su-Yu,TWX, Composite bump tape automated bonded structure.
  5. Canning Everett Joseph ; Dutta Ranjan, Conductive polymer film bonding technique.
  6. Hirakata, Yoshiharu; Yamazaki, Shunpei, Contact structure.
  7. Nakamura, Shigeo; Wakatsuki, Kousaku; Takahashi, Haruhide; Shindo, Hitoshi; Masuda, Hiromitsu; Tokuyama, Mikio; Shimizu, Toshihiko, Disc drive head supporting mechanism having power supply pads for an integrated circuit which are of a greater area than signal/control junction pads.
  8. Arai, Hajime, Disk drive flexure.
  9. Childers,William W.; Lawson,Drew B.; Pan,Tzong Shii; Pattanaik,Surya, Disk drive with controlled pitch static attitude of sliders on integrated lead suspensions by improved plastic deformation processing.
  10. Pan,Tzong Shii, Disk drives, head stack, head gimbal and suspension assemblies having a compliant suspension tail design for solder reflow.
  11. Lu, Chao Liang; Yang, Chih Hsiang; Lee, Kuo Chih, Flat display panel and assembly process or driver components in flat display panel.
  12. Morley, Catherine A.; Krinke, Todd A.; Tangren, John H., Heat dissipation structures for integrated lead disk drive head suspensions.
  13. Novotny,Vlad; Sastri,Bharat; Reddy,Chitranjan N., Light modulator with integrated drive and control circuitry.
  14. Novotny,Vlad; Sastri,Bharat; Reddy,Chitranjan N., Light modulator with integrated drive and control circuitry.
  15. Deguchi,Takaaki; Katoh,Toshiyuki; Kiguchi,Katsumi; Sasaoka,Nobuo; Suzuki,Kohichi; Tsuda,Shingo, Magnetic disk drive, wiring connection structure and terminal structure.
  16. Yao,Ming Gao; Shiraishi,Masashi, Method and apparatus for connecting a micro-actuator to driver arm suspension.
  17. Arya,Satya Prakash; Xing,Xinzhi, Method and apparatus for reducing heat absorption around solder pads on an electrical lead suspension.
  18. Huang, Yuan-Chang, Method for bonding inner leads to bond pads without bumps and structures formed.
  19. Swanson,Kurt C.; Wang,Jeffrey, Method for making noble metal conductive leads for suspension assemblies.
  20. Zhang, Lei Larry; Shen, Yong; Zhu, Honglin; Wang, Yizhong, Method for providing a perpendicular magnetic recording (PMR) head.
  21. Schulz Kevin Jon ; Hardie Cal Edward ; Zoz David Alan, Method of making anisotropic conductive adhesive interconnects for head attachment in rigid disc drive device for manufacturing a groove bearing.
  22. Yao, Ming Gao; Shiraishi, Masashi, Micro-actuator having swing support to allow horizontal swinging movement of slider support.
  23. Yao,MingGao; Shiraishi,Masashi, Micro-actuator including a leading beam pivot part, head gimbal assembly and disk drive unit with the same.
  24. Park,Heung Woo; Lee,Yeong Gyu; Hong,Suk Kee; Park,Chang Su; Lim,Ohk Kun, Optical modulator module package using flip-chip mounting technology.
  25. Tsukagoshi, Takuya; Mishima, Koji; Yoshitoku, Daisuke, Optical recording medium.
  26. Amanullah Khan ; Warren Coon, Separably bondable shunt for wireless suspensions.
  27. Bajorek Christopher H. (Los Gatos CA) Erpelding A. David (San Jose CA) Garfunkel Glen A. (Los Gatos CA) Pattanaik Surya (San Jose CA) Robertson Neil L. (Campbell CA) Wallash Albert J. (Morgan Hill CA, Shorted magnetoresistive head leads for electrical overstress and electrostatic discharge protection during manufacture.
  28. Mei, Shijin, Stiffness controlled disk drive suspension with limiter feature.
  29. Hanya, Masao; Watadani, Eiji; Takikawa, Kenichi, Suspension for disc drive.
  30. Zhang,Liu Jun; Lu,Guo Hong; Chen,Can Hua; Ho,Yiu Sing; Wang,Jeffery L., System and method for improving the electrical connection of a hard drive relay flexible circuit assembly of an HGA flexure cable.
  31. Chhabra,Devendra S.; Lee,Rod; Garfunkel,Glen; Dovek,Mor; Han,Cherng Chyi, Thermal protrusion reduction in magnet heads by utilizing a heat-spreading pad.
  32. Liu Hermen,TWX, Trench style bump and application of the same.
  33. Takuya Satoh JP; Tatsushi Yoshida JP; Tatsumi Tsuchiya JP; Naoki Kurosu JP, Ultrasonic bonding performing method and method for transforming, retaining and releasing a suspension assembly.
  34. Ohsawa, Tetsuya; Kamei, Katsutoshi, Wired circuit board.
  35. Shijin Mei, Wireless suspension with interrupted load beam.

이 특허를 인용한 특허 (58)

  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. Lee, Yu-Min; Zheng, Hao; Griggs, Ian; Tran, Gregory, Disk drive actuator having a radially stepped pivot bore.
  6. Mani Biswas, Mousumi, Disk drive filter including fluorinated and non-fluorinated nanopourous organic framework materials.
  7. Gustafson, John R.; Patel, Mukesh, Disk drive having a conformal peripheral foil seal having an opening covered by a central metal cap.
  8. Horasart, Theerapong; Bupphasawan, Meatasit; Chaiboon, Chinorot, Disk drive having a stationary plate between disks with grooves adjacent fastener holes.
  9. 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.
  10. Smyth, Nicholas D.; Myers, David K., Disk drive having a top cover channel vented to a central cavity via a peripheral clearance gap.
  11. 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.
  12. Chen, Yih-Jen D.; Pan, Tzong-Shii; Liu, Yanning, Disk drive head gimbal assembly having a jumper in a flexible printed circuit overlap region.
  13. Pan, Tzong-Shii; Zhang, Cliff, Disk drive head stack assembly having a flexible printed circuit with bond pads having reduced capacitance.
  14. Christenson, Michael C.; Groschen, David M., Disk drive head suspension structures having improved gold-dielectric joint reliability.
  15. 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.
  16. 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.
  17. Pan, Tzong-Shii, Disk drive head suspension tail with bond pad edge alignment features.
  18. Chen, Yih-Jen Dennis; Liu, Yanning; Teo, Kia Moh, Disk drive head suspension tail with ground pad outside of bonding region.
  19. Chen, Yih-Jen D.; Pan, Tzong-Shii, Disk drive head suspension tail with stiffened edge alignment features.
  20. Chen, Yih-Jen D.; Pan, Tzong-Shii, Disk drive head suspension tail with stiffened edge alignment features.
  21. Chen, Yih-Jen Dennis; Pan, Tzong-Shii, Disk drive head suspension with a dual dimple and a flexure tongue with a piezoelectric microactuator.
  22. Kloeppel, Klaus; Ilagan, Ronald G.; Nguyen, Diep L., Disk drive spindle with fluid journal bearing having increased radial clearance in axial end regions.
  23. Pan, Tzong-Shii; Zhang, Cliff, Disk drive suspension assembly with flexure having dual conductive layers with staggered traces.
  24. Pan, Tzong-Shii, Disk drive system.
  25. 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.
  26. Sill, Kevin R.; Little, Aaron D., Disk drive with self sealing screw attachment of actuator pivot.
  27. Gustafson, John R.; Patel, Mukesh, Disk drive with slow acting desiccant.
  28. Kloeppel, Klaus, Grooved cylindrical seal with increased radial clearance for reduced cost disk drive spindle.
  29. Le, Lynn Bich-Quy; Hitchner, Thomas J., Hard disk drive enclosure base with a helium sealed gasket.
  30. Le, Lynn Bich-Quy; Hitchner, Thomas J., Hard disk drive enclosure base with feed through flexure design and accompanying flexure.
  31. Shum, Wing Chun; Liu, Yanning; Scura, John E., Head gimbal assembly having a flexure tail with cover layer standoff islands.
  32. Pan, Tzong-Shii; Ho, Shufun, Head stack assembly with a flexible printed circuit having a mouth centered between arms.
  33. Pan, Tzong-Shii, Head suspension having a flexure tail with a covered conductive layer and structural layer bond pads.
  34. 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.
  35. Hanke, Frederick J., Information-storage device including an oxygen absorbing device.
  36. Davidson, Marc; Myers, David K.; Willis, Terrance J., Magnetic head separator connected to a ramp.
  37. Davidson, Marc; Myers, David K.; Willis, Terrance J., Magnetic head separator fin material to prevent particulate contamination on slider.
  38. Novotny, Vlad; Berding, Keith R., Magnetic recording drives with active photocatalytic filtration.
  39. Perlas, Joseph A.; Vangal-Ramamurthy, Jambunathan, Method of imbalance correction using a grooved disk clamp.
  40. Pan, Tzong-Shii; Magsombol, Fernando A., Method of manufacturing a disk drive head gimbal assembly having a flexure tail with folded bond pads.
  41. DeForest, Marvin R.; Horn, Robert L., Migration of encrypted data for data storage systems.
  42. Cray, Scott J.; Schumann, John L.; Johnson, Trent A.; Rose, Luke E., Partial curing of a microactuator mounting adhesive in a disk drive suspension.
  43. Cray, Scott J.; Schumann, John L.; Johnson, Trent A.; Rose, Luke E., Partial curing of a microactuator mounting adhesive in a disk drive suspension.
  44. Bjorstrom, Jacob D., Piezoelectric disk drive suspension motors having plated stiffeners.
  45. Bjorstrom, Jacob D., Piezoelectric motors including a stiffener layer.
  46. 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.
  47. 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.
  48. Davidson, Marc; Krishnan, Varuvadivelan; Tan, Siu Ken; Kok, Kin Lim, Sloping transition on a ramp of a hard disk drive.
  49. Dougherty, Mitchell D., Spindle motor magnet diameter increase above head plane.
  50. Smyth, Nicholas D.; Nguyen, Daniel T.; Myers, David K., Storage device with a cover supporting portion.
  51. Smyth, Nicholas D.; Nguyen, Daniel T.; Myers, David K., Storage device with a cover supporting portion.
  52. Liu, Yanning; Shum, Wing C.; Scura, John E., Suspension assembly having a microactuator electrically connected to a gold coating on a stainless steel surface.
  53. Liu, Yanning; Shum, Wing Chun; Scura, John E., Suspension assembly having a microactuator electrically connected to a gold coating on a stainless steel surface.
  54. 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.
  55. Pan, Tzong-Shii; Chen, Yih-Jen D., Suspension tail design for a head gimbal assembly of a hard disk drive.
  56. Tafreshi, Shahriar A.; Lee, Yu-Min, Tamper-evident seals having adhesive-free areas to minimize rework time.
  57. Heo, Baekho; Weiher, Joshua P., Threaded disk clamping element with step on disk contact surface.
  58. Tian, Jifang; Yang, Jian; Yang, Qiang, Ultra-thin HDD embedded disk clamp design.
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