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[미국특허] Piezoelectric actuator device 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01L-041/083
  • H02N-002/00
출원번호 US-0532596 (2000-03-22)
발명자 / 주소
  • Forck, Glen F.
  • Waterfield, Larry G.
출원인 / 주소
  • Caterpillar Inc.
인용정보 피인용 횟수 : 25  인용 특허 : 19

초록

A piezoelectric actuator of multiple piezoelectric layers in an integrally bonded laminate structure. Alternating layers of electrically active ceramic material and conductive or non-conductive substrate material are stacked with layers of conductive or non-conductive thermally activated adhesive th

대표청구항

1. A piezoelectric actuator, comprising: alternating layers of a conductive substrate material and layers of an electrically active ceramic having opposing surface electrodes, each alternating layer adhered to the next with an intermediate, conductive, thermally-activated adhesive layer to form a

이 특허에 인용된 특허 (19) 인용/피인용 타임라인 분석

  1. Schafft Hugo Willy (Des Plaines IL), Acoustic transducer with elastomeric coupling.
  2. Grawey Charles E. (Peoria IL) Kelley Kurtis C. (Washington IL), Coating surrounding a piezoelectric solid state motor stack.
  3. Oakley Clyde G. ; Douglas Stephen J., Composite autoclavable ultrasonic transducers and methods of making.
  4. Endo Yasushi (Iwaki JPX) Suzuki Seiichi (Iwaki JPX), Laminated electric elements.
  5. Sager Frank Everett, Low voltage piezoelectric bender elements and unit cells.
  6. Haertling Gene H. (Central SC), Method for making monolithic prestressed ceramic devices.
  7. Face ; Jr. Samuel A. ; Clark Stephen E., Method for manufacturing multi-layered high-deformation piezoelectric actuators and sensors.
  8. Sager Frank Everett, Method of fabrication of piezoelectric bender elements.
  9. Clark Stephen E., Method of manufacturing flextensional transducer using pre-curved piezoelectric ceramic layer.
  10. Heywang ; Walter, Multi-layer element consisting of piezoelectric ceramic laminations and method of making same.
  11. Chatigny Joseph V. (Wayne PA) Smith Peter R. (Folsom CA), Penetration sensor.
  12. Chida, Yukio; Nishimura, Tetsuhiko; Oguri, Yasuo, Piezoelectric actuator.
  13. Park Kyung T. (Berwyn PA), Piezoelectric snap action switch.
  14. O\Neill Cormac G. (Lafayette CA), Piezoelectric stack insulation.
  15. Bishop Richard Patten ; Boyd Clark Davis, Positive feedback resonant transducer circuit.
  16. Kondo Shuji,JPX ; Satoh Yuki,JPX ; Suzuki Mitsuo,JPX ; Kimura Akio,JPX, Reference frequency source oscillator formed from first and second containers.
  17. Gregg David P. (Culver City CA), Shock-resistant, electrostatically actuated pick-up for optical recording and playback.
  18. Bishop Richard P, Snap-action ferroelectric transducer.
  19. Hellbaum Richard F. (Hampton VA) Bryant Robert G. (Poquoson VA) Fox Robert L. (Hayes VA), Thin layer composite unimorph ferroelectric driver and sensor.

이 특허를 인용한 특허 (25) 인용/피인용 타임라인 분석

  1. Kent, Joel C.; Aroyan, James L., Acoustic touch sensor.
  2. Kent, Joel C.; Gomes, Paulo I., Acoustic touch sensor.
  3. Kent, Joel C.; Gomes, Paulo I., Acoustic touch sensor.
  4. Kent, Joel C.; Gomes, Paulo I.; Adler, Robert, Acoustic touch sensor.
  5. Kent, Joel C.; Gomes, Paulo I.; Adler, Robert; Fehrenbach, Paul Jerome; Tanaka, Yoshikazu; Copper, Charles Dudley, Acoustic touch sensor utilizing edge waves.
  6. Hahn, Peter; Ee, Kuen Chee; Zhang, Long, DSA suspension having multi-layer PZT microactuator with active PZT constraining layers.
  7. Ko, Wen-Ching; Sun, Che-Yuan; Chen, Chang-Yi, Flexible ultrasound actuator.
  8. Hahn, Peter; Ee, Kuen Chee; Zhang, Long, HDD microactuator having reverse poling and active restraining layer.
  9. Zhang, Long; Hahn, Peter; Ee, Kuen Chee, Hard drive suspension microactuator with restraining layer for control of bending.
  10. Tanner,Edward T., Human powered piezoelectric power generating device.
  11. Tanner,Edward T.; Ott,William F., Method and apparatus for scavenging energy during pump operation.
  12. Najafi, Khalil; Aktakka, Ethem Erkan; Kim, Hanseup, Method of making a thin film device.
  13. Dunn, Christopher; Hahn, Peter, Method of manufacturing a multi-layer PZT microactuator using wafer-level processing.
  14. Kelley,Kurtis C.; Maushard,Jerry P.; Waterfield,L. Glenn, Method of manufacturing a multi-layered piezoelectric actuator.
  15. East,W. Joe, Method of manufacturing a piezoelectric actuator.
  16. Poupyrev, Ivan; Rekimoto, Junichi; Maruyama, Shigeaki, Mobile apparatus having tactile feedback function.
  17. Poupyrev,Ivan; Rekimoto,Junichi; Maruyama,Shigeaki, Mobile apparatus having tactile feedback function.
  18. Ee, Kuen Chee; Zhang, Long; Hahn, Peter; Glaess, David, Multi-layer PZT microactuator having a poled but inactive PZT constraining layer.
  19. Ee, Kuen Chee; Zhang, Long; Hahn, Peter; Glaess, David, Multi-layer PZT microactuator having a poled but inactive PZT constraining layer.
  20. Hahn, Peter; Ee, Kuen Chee; Zhang, Long, Multi-layer PZT microactuator with active PZT constraining layer for a DSA suspension.
  21. Kawazoe, Naoyuki, Piezoelectric actuator with insulating member separate from piezoelectric device.
  22. Hahn, Peter; Ee, Kuen Chee; Dunn, Christopher, Piezoelectric actuator with wrap-around electrode on inactive constraining layer.
  23. Askew,Andy R.; Lyon,Gregory S., Piezoelectric bimorph actuator and method of manufacturing thereof.
  24. Zhang, Long; Hahn, Peter; Ee, Kuen Chee, Piezoelectric microactuator with restraining layer for control of bending.
  25. Hahn, Peter; Ee, Kuen Chee; Dunn, Christopher, Suspension microactuator with wrap-around electrode on inactive constraining layer.

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