Title:
圧電駆動リレー
Document Type and Number:
Japanese Patent JP4044864
Kind Code:
B2
Abstract:
In accordance with the invention, a piezoelectrically actuated relay that switches and latches by means of a liquid metal is disclosed. The relay operates by means of a plurality of shear mode piezoelectric elements used to cause a pressure differential in a pair of fluid chambers. Differential pressure is created in the chambers by contracting and expanding the chambers due to action by the piezoelectric elements. The differential pressure causes the liquid metal drop to overcome the surface tension forces that would hold the bulk of the liquid metal drop in contact with the contact pad or pads near the actuating piezoelectric element. The switch latches by means of surface tension and the liquid metal wetting to the contact pads.
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| JP2007259669 | PIEZOELECTRIC ACTUATOR, MICROMECHANICAL DEVICE USING SAME, VARIABLE-CAPACITANCE CAPACITOR, AND SWITCH |
| JP2008166111 | SWITCH |
Inventors:
Marvin Glen Wong
Application Number:
JP2003119891A
Publication Date:
February 06, 2008
Filing Date:
April 24, 2003
Export Citation:
Assignee:
AGILENT TECHNOLOGIES, INC.
International Classes:
H01H57/00; H01L41/09; H01H29/02; H01H29/04; H01H29/28
Domestic Patent References:
| JP2000195389A | ||||
| JP2001301207A | ||||
| JP48083352A | ||||
| JP47021645A |
Attorney, Agent or Firm:
Arihara Koichi
Matsushima Tetsuo
Shoichi Okuyama
Matsushima Tetsuo
Shoichi Okuyama