[특허]Multilayer acoustic damper for a disc drive

Multilayer acoustic damper for a disc drive 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16F-015/00
출원번호	US-0686014 (2000-10-10)
발명자 / 주소	Kelsic, Gary Frank Oxley, Bruce Joseph Bernett, Frank Deichert, Richard W.
출원인 / 주소	Seagate Technology LLC
대리인 / 주소	Merchant & Gould P.C.
인용정보	피인용 횟수 : 30 인용 특허 : 11

초록 ▼

대표청구항 ▼

A disc drive top cover incorporates an acoustic damper having alternating constraining layer material and damping layer material. Each constraining material layer is a sheet material having a high mechanical stiffness. Each damping material layer is a visco-damping adhesive having a pre-selected maximum damping efficiency for a particular disc drive operating condition. The acoustic damper may also include a carrier layer between damping layers so that multiple layers of damping material can be incorporated between any two constraining layers. ethod of claim 19 wherein the first device is attached to the perforating tool. 23. A method for performing a perforating process in a well having well casing positioned therein, the method comprising: providing a perforating tool in the well configured to perforate the well casing; providing a first device in the well in signal communication with the perforating tool and configured to transmit and receive rf signals; providing a second device configured to generate a unique rf code signal responsive to rf signals from the first device; transporting the second device through the casing proximate to the first device; and controlling the perforating tool responsive to reception of the uniqu

이 특허에 인용된 특허 (11)

Woldemar Christopher Michael ; Mylabathula Enoch, Acoustic noise control in a disc drive.
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Larson Nils Eric ; Sancheti Ajit Fathailal, Acoustic noise reduction system for a disk drive.
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Andress Jeffrey D. ; Pottebaum Kenneth L., Constrain layer damping of a disc drive printed wiring assembly.
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McCutcheon Jeffrey W. (Eagan MN) Landin Donald T. (Eagan MN), Damped laminates with improved fastener force retention, a method of making, and novel tools useful in making.
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McCutcheon Jeffrey W. ; Morse Thomas L. ; Jung Michael A. ; Johnson Brian L., Damped spacer articles and disk drive assemblies containing damped spacer articles.
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Gifford R. Bruce (Nashua NH) Strzepa Michael C. (Westboro MA) MacDonald Tom E. (Mansfield MA) Bernett Frank W. (Colorado Springs CO), Damping configuration for improved disk drive performance.
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Tacklind Thomas A. (San Martin CA) Boyle Timothy (Santa Clara CA) Caldeira Robert A. (Santa Cruz CA), Disk drive with reduced acoustic noise.
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Pottebaum Kenneth L. (Yukon OK), Laminated base deck for a disc drive.
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Pottebaum Kenneth L., Low sway space chassis for a disc drive having a vibro-acoustic isolator.
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Jo Whan-Haeng,KRX, Noise-reducing enclosure for a data storage disk drive.
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Dauber Edwin G. ; Gentile Michele Marie ; Principe Frank Santo, Vibration damping article.
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이 특허를 인용한 특허 (30)

Surace, Kevin J.; Porat, Marc U., Acoustical sound proofing material and methods for manufacturing same.
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Surace, Kevin J.; Porat, Marc U., Acoustical sound proofing material and methods for manufacturing same.
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Tinianov, Brandon D.; Surace, Kevin J., Acoustical sound proofing material with improved fire resistance and methods for manufacturing same.
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Xiao, Hong, Constrained layer damper, and related methods.
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Boss,Daniel E.; Williams,Richard K., Damped disc drive assembly, and method for damping disc drive assembly.
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Macpherson, Aaron Steve, Damping member for a moveable flex circuit.
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Bahirat, Shirish Dnyaneshware; Lapp, David Ray, Disc drive spindle motor having a damper on a bottom surface of the spindle motor.
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Hahn, Peter; Misuta, Steve, Disk drive suspension having dual vibration damper.
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Le, Lynn Bich-Quy; Hitchner, Thomas J., Hard disk drive enclosure base with a helium sealed gasket.
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Sohn,Jin seung; Choa,Sung hoon, Hard disk drive having a damper for reducing vibrations.
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Sohn,Jin seung; Choa,Sung hoon, Hard disk drive having a damper for reducing vibrations.
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Stiles,Enrique M., Loudspeaker enclosure with damping material laminated within internal shearing brace.
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Shah,Vimal V.; Linyaev,Eugene J.; Kyle,Donald G.; Gardner,Wallace R., Low frequency acoustic attenuator for use in downhole applications.
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Fisk, Jonathan W.; Driscoll, Daniel J.; Mackowski, William A.; Keys, James F., Metal panel assembly.
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Daniel, Matthew; Kovinskaya, Svetlana I., Method and apparatus for fine tuning disc drive cover to improve acoustical performance.
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Boss, Daniel, Method of making a damper component.
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Daniel, Mathew; Kovinskaya, Svetlana I., Multi-layer housing structure with tuned layers using hypothetical modeling.
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Adams, Michael C.; Fisk, Jonathan W.; Keys, James F., Panel assembly having multi-layer patch for sound damping.
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Surace, Kevin J.; Tinianov, Brandon D.; Porat, Marc U., Radio frequency wave reducing material and methods for manufacturing same.
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Grantz, Alan Lyndon; Le, Lynn Bich-Quy, Restraining motor shaft play.
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Boss,Daniel, Sheet molding compound damper component, and methods for making and using the same.
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Boss,Daniel, Sheet molding compound damper component, and methods for making and using the same.
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Tinianov, Brandon D., Sound Proofing material with improved damping and structural integrity.
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Haynes, Jonathan S.; Finn, Michael A., Stiffness reducing features in a top layer of a laminated top cover.
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Chang, Jen-Yuan; Tzou, Kevin Ihwa, System and apparatus for vibration damping of integrated lead suspensions in high density magnetic storage devices.
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Seto, Atsushi; Hamada, Koichi, Transportation vehicle part and panel member therefor.
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Berman,Morris S., Tunable stacked plate vibration isolator.
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Imamura, Kazuya; Nakada, Kuniaki; Nakagawa, Taizou, Vibration damping device and bucket for construction machine.
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Imamura, Kazuya; Nakada, Kuniaki; Nakagawa, Taizou, Vibration damping device and bucket for construction machine.
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Imamura, Kazuya; Nakada, Kuniaki; Nakagawa, Taizou, Vibration damping device and bucket for construction machine.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Multilayer acoustic damper for a disc drive 원문보기