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특허 상세정보

Bistable micro-switch and method for manufacturing the same

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H01H-037/46    H01H-037/48   
미국특허분류(USC) 337/139; 337/140; 337/365
출원번호 US-0785979 (2001-02-15)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Howrey Simon Arnold & White, LLP
인용정보 피인용 횟수 : 12  인용 특허 : 12

The present invention provides a bistable switch using a shape memory alloy, and a method for manufacturing the same. More specifically, the bistable switch includes a substrate having at least one power source; a flexible sheet having a first distal end attached to the substrate; a bridge contact formed at a second and opposite distal end of the flexible sheet; and at least one heat activated element connected to a first surface of the flexible sheet and between the second distal end and the power source. During operation, current from the power source ...


1. A bistable switch, comprising:a substrate; a flexible sheet having a first end attached to said substrate, said flexible sheet having first and second conformations, said first and second conformations comprising stably fixed positions of said flexible sheet; a first heat activated element on a first surface of said flexible sheet, wherein electrical current passing through said first heat activated element provides a first applied force to transform said flexible sheet from said first conformation to said second conformation, whereby said second conf...

이 특허에 인용된 특허 (12)

  1. Wuttig Manfred ; Su Quanmin. Composite shape memory micro actuator. USP1998105825275.
  2. Ballard Edwin C. (26 Heritage Rd. Rehoboth MA 02769) Amatruda ; Jr. Andrew A. (384 S. Main St. Attleboro MA 02703) White Sheldon S. (46 Blake Rd. Brookline MA 02146). High temperature, temperature responsive snap acting control member and electrical switches using such members. USP1995035402099.
  3. Honma Dai (Tokyo JPX). Linear motion actuator utilizing extended shape memory alloy member. USP1989024806815.
  4. Barrett Ronald M. (Auburn AL). Method and apparatus for structural, actuation and sensing in a desired direction. USP1995085440193.
  5. Givler Omar (North Canton OH). Method of forming a thermostatic switch with a narrow operating temperature range. USP1989044823105.
  6. Aine Harry E. (30600 Page Mill Rd. Los Altos CA 94022) Block Barry (30610 Page Mill Rd. Los Altos CA 94022). Miniature valve and method of making same. USP1986044585209.
  7. Carr William N. ; Sun Xi-qing. Multi-dimensional physical actuation of microstructures. USP1999025870007.
  8. Albrecht Joachim (Mlligen CHX) Duerig Thomas (Nussbaumen CHX) Schroeder Gnther (Birmenstorf CHX). Process to produce a reversible two-way shape memory effect in a component made from a material showing a one-way shape. USP1983104411711.
  9. Johnson A. David (San Leandro CA) Ray Curtis A. (Alamo CA). Shape memory alloy film actuated microvalve. USP1994075325880.
  10. Yaeger, John R.; Morgan, Robert K.. Shape memory effect actuator and methods of assembling and operating therefor. USP1985114551974.
  11. Maynard Ronald S. (Sunnyvale CA). Spatially distributed SMA actuator film providing unrestricted movement in three dimensional space. USP1995045405337.
  12. Mueller Robert A. (Portland OR). Thin-film electrothermal device. USP1983124423401.

이 특허를 인용한 특허 피인용횟수: 12

  1. Elzey,Dana M.; Wadley,Haydn N. G.. Active energy absorbing cellular metals and method of manufacturing and using the same. USP2007107288326.
  2. Alacqua, Stefano; Butera, Francesco. Actuator device with shape-memory flexible cable. USP2004126835083.
  3. Alacqua,Stefano; Butera,Francesco. Actuator device with shape-memory flexible cable. USP200805RE40303.
  4. Wadley, Haydn N. G.; Queheillalt, Douglas T.; Haj-Hariri, Hossein; Evans, Anthony G.; Peterson, George P.; Kurtz, Robert; Long, G. Douglas; Murty, Yellapu V.. Method and apparatus for jet blast deflection. USP2013018360361.
  5. Schlaak, Helmut; Hanke, Martin. Microelectromechanic relay and method for the production thereof. USP2003106639325.
  6. Kubo,Kenji; Shinohara,Isao. Operating device, position-switching device, and magneto-optical recording/reproducing apparatus. USP2008087414512.
  7. Saito, Elna R.; Hey-Shipton, Gregory L.; Costa, James R.; Bilski, Stacey M.. RF receiver switches. USP2004096795697.
  8. Elzey, Dana M.; Wadley, Haydn N. G.. Reversible shape memory multifunctional structural designs and method of using and making the same. USP2010037669799.
  9. Mathieu,Gaetan L.; Eldridge,Benjamin N.; Wenzel,Stuart W.. Shaped spring. USP2008127458816.
  10. Prophet, Eric M.. Spring loaded bi-stable MEMS switch. USP2005086924966.
  11. Gritters, John K.; Hobbs, Eric D.; Park, Sangtae; Yao, Jun Jason. Switch for use in microelectromechanical systems (MEMS) and MEMS devices incorporating same. USP2012038138859.
  12. Aimi, Marco Francesco; Bansal, Shubhra; Keimel, Christopher Fred; Kishore, Kuna Venkat Satya Rama; Sundaram, Sairam; Thakre, Parag. Switch structures. USP2014078779886.