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Class Information
Number: 310/368
Name: Electrical generator or motor structure > Non-dynamoelectric > Piezoelectric elements and devices > Piezoelectric element shape > Rectangular plate
Description: Subject matter wherein the shape of the piezoelectric element is essentially that of a solid rectangle, i.e., having three pairs of parallel sides.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7098574 Piezoelectric resonator and method for manufacturing the same Aug. 29, 2006
7038358 Electro-active transducer using radial electric field to produce/sense out-of-plane transducer motion May. 2, 2006
7011887 IT-cut quartz crystal unit Mar. 14, 2006
7012355 Crystal unit Mar. 14, 2006
6992424 Piezoelectric vibrator ladder-type filter using piezoeletric vibrator and double-mode piezolectric filter Jan. 31, 2006
6989626 Piezoelectric transformer Jan. 24, 2006
6979937 Laser machining of electroactive ceramics Dec. 27, 2005
6967432 Piezoelectric shear resonator, composite piezoelectric shear resonator, and piezoelectric resonator component Nov. 22, 2005
6940139 Micromechanical device and method of manufacture thereof Sep. 6, 2005
6924588 Piezoelectric crystal material and piezoelectric resonator Aug. 2, 2005
6892738 Apparatus and methods for reducing damage to substrates during megasonic cleaning processes May. 17, 2005
6856073 Electro-active device using radial electric field piezo-diaphragm for control of fluid movement Feb. 15, 2005
6842087 Three-terminal filter using area flexural vibration mode Jan. 11, 2005
6836055 Piezoelectric vibrator and filter using the same Dec. 28, 2004
6812623 Piezoelectric transformer Nov. 2, 2004
6800988 Voltage and light induced strains in porous crystalline materials and uses thereof Oct. 5, 2004
6798116 Piezoelectric resonator and manufacturing method thereof Sep. 28, 2004
6764609 Piezoelectric ceramic composition and piezoelectric element using the same Jul. 20, 2004
6739575 Piezoelectric valve system May. 25, 2004
6734606 Piezoelectric ceramic composition and piezoelectric ceramic element using the same May. 11, 2004
6719266 Piezoelectric valve system Apr. 13, 2004
6711792 Method of manufacturing a piezoelectric resonator Mar. 30, 2004
6705588 Piezoelectric valve system Mar. 16, 2004
6695283 Piezoelectric valve system Feb. 24, 2004
6679474 Piezoelectric valve system Jan. 20, 2004
6679272 Megasonic probe energy attenuator Jan. 20, 2004
6655210 Composite vibrator, vibration gyroscope using composite vibrator, electronic apparatus using vibration gyroscope, and method of manufacturing composite vibrator Dec. 2, 2003
6657364 Piezoelectric/electrostrictive device Dec. 2, 2003
6621194 Piezoelectric element having thickness shear vibration and mobile communication device using the same Sep. 16, 2003
6590316 Vibrator, vibrating gyroscope, and electronic apparatus using the vibrating gyroscope Jul. 8, 2003
6580340 Ladder-type piezoelectric filter using resonators with nodal cuts and made from materials with equal frequency constants Jun. 17, 2003
6469423 Rectangular at-cut quartz element, quartz resonator, quartz resonator unit and quartz oscillator, and method of producing quartz element Oct. 22, 2002
6452460 Surface mounting quartz-crystal oscillator Sep. 17, 2002
6448698 Laminated piezoelectric transformer Sep. 10, 2002
6420818 Electroacoustic transducer Jul. 16, 2002
6404102 Piezoelectric resonator and piezoelectric resonator part Jun. 11, 2002
6379580 Piezoelectric ceramic material and monolithic piezoelectric transducer employing the ceramic material Apr. 30, 2002
6369488 Piezoelectric device Apr. 9, 2002
6362561 Piezoelectric vibration device and piezoelectric resonance component Mar. 26, 2002
6329740 Piezoelectric/electrostrictive device and production method thereof Dec. 11, 2001
6300708 Piezoelectric resonator and a method of manufacturing the same Oct. 9, 2001
6297581 Piezoelectric element and electronic component including same Oct. 2, 2001
6291926 Piezoelectric resonator, method of manufacturing the piezoelectric resonator and method of adjusting resonance frequency of the piezoelectric resonator Sep. 18, 2001
6278224 Ultrasonic transducer and method for manufacturing the same Aug. 21, 2001
6268684 Piezoelectric resonator and a piezoelectric component including piezoelectric resonator Jul. 31, 2001
6268682 Amplified active-material actuators Jul. 31, 2001
6243933 Piezoelectric resonator and method for fabricating the same Jun. 12, 2001
6198200 Thickness extensional vibration piezoelectric resonator and piezoelectric resonance apparatus Mar. 6, 2001
6192562 Method of producing piezoelectric component Feb. 27, 2001
6162313 Method for producing a composite structure including a piezoelectric element Dec. 19, 2000

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