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Matches 351 - 400 out of 2,100

Document Document Title
JP4528943B2  
JP4528461B2  
JP2010177278A
To provide a variable capacitance element which operates even at high temperature.The variable capacitance element has a diamond semiconductor 2, a first metal electrode 3, a first insulating film 4, and a second metal electrode 5, forme...  
JP2010165926A
To provide a method of manufacturing an electret of high charge holding rate having a thin PTFE film. This method of manufacturing the electret includes a bonding process for bonding the PTFE film 12 onto a metal plate 11, and a heating ...  
JP4515031B2  
JP4514782B2  
JP4502609B2  
JP4496091B2  
JP4498836B2  
JP4493368B2  
JP4493405B2  
JP2010136598A
To provide an electrostatic induction type energy conversion element capable of charging a large quantity of charges to an electret. A plurality of rectangular base electrodes 27 are arrayed in parallel on the top face of a fixed board 2...  
JP2010109035A
To provide a variable capacitor which reduces loss in conductivity as a component formed by combining a capacitor for cutting low frequency signal and a variable capacitor.The variable capacitor includes (a) a pair of electrode layers 22...  
JP4462723B2  
JP2010089496A
To provide an electret having an electro-conductive layer which minimizes the performance decline of the electret when the electret having the electro-conductive layer as a material for an electricity and electron input-output device is ...  
JP4452444B2  
JP4449574B2  
JP4440470B2  
JP4437232B2  
JP4439673B2  
JP4425688B2  
JP4419551B2  
JP4419563B2  
JP4412977B2  
JP4409106B2  
JP2010021234A
To provide a capacitor which reduces the ESR (equivalent series resistance).The capacitor is provided with (a) a pair of electrode layers 15 and 17, (b) a dielectric layer 16 disposed between a pair of the electrode layers 15 and 17 and ...  
JP4405467B2  
JP2010010462A
To easily manufacture a porous high-voltage electret.A die plate 200 is a ceramic plate where a plurality of holes 210 are regularly located, and a punch plate 100 is also a ceramic plate having a plurality of punches 110 to be fit with ...  
JP4390796B2  
JP2009295969A
To efficiently vary the capacitance of a variable capacitance element using a metal oxide film.The variable capacitance element includes: the metal oxide film having a perovskite structure; a first and a second electrode film having the ...  
JP2009296238A
To suppress a change of an electretized amount caused by an ionizer irradiation of a dielectric film which is transduced to an electret and to reduce a change of sensitivity in a microphone.A conductive substance 4 is not grounded to the...  
JP2009290153A
To provide a new switched capacitor where a digital switching mechanism and an analog switching mechanism are unified.The switched capacitor includes: a driving arm which has a plate-like elastic body at least one end of which is fixed t...  
JP4376910B2  
JP4377740B2  
JP2009267165A
To provide a variable capacitor and an electronic device, having a structure enabling setting of field sensitivity with respect to a control voltage irrespective of a breakdown voltage with respect to a signal voltage.The variable capaci...  
JP2009268122A
To provide a tunable matching circuit of low-loss in RF.A ferroelectric material is used in order to produce a low-loss tunable capacitor 32 and inductor 31 for using in a matching circuit 22. The matching circuit 22 is provided with a c...  
JP2009268309A
To provide an electrostatic operation device capable of performing operations in an optimal manner.The electrostatic operation device (electrostatic inductive type electric power generating apparatus 100) includes counter electrodes 22 a...  
JP2009260063A
To provide a resin foam electret which can convert electric energy into mechanical energy, or convert the mechanical energy into the electric energy, is excellent in charge retention nature at high temperature, and can easily be manufact...  
JP4357876B2  
JP2009253050A
To provide an electret excellent in thermal stability of an electric charge and to provide an electrostatic induction type conversion device with the electret.The electret includes a layer comprising organic/inorganic composite materials...  
JP2009246327A
To cause a dielectric with edges and holes to be efficiently charged.When a protrusion 110 is cooled down, the protrusion 110 contracts and the diameter of the protrusion 110 becomes smaller than the diameter of a hole 2. Then, after the...  
JP4338745B2  
JP2009212168A
To provide a variable-capacitance element wherein a desired capacitance value which corresponds to a write voltage can be freely set and a capacitance value which has been set before is maintained even when there is no write voltage, and...  
JP2009212167A
To provide a varactor which is adaptive to applications of electronic devices including various electronic devices and communication mobile devices, and to provide an electronic device comprising the varactor and a communication mobile d...  
JP2009212436A
To provide an electret of which the surface potential is improved, and to provide a method for manufacturing thereof, as well as an electrostatic induction type conversion device which is equipped with the electret.The electret is consti...  
JP2009207344A
To improve conversion efficiency of a mechanical electric energy conversion device using Electret.In a mechanical electric energy conversion device 10, as an example, an electret holding body 11, to which an electret film 12 is applied, ...  
JP4325930B2  
JP2009182757A
To remove dirt automatically from an electret film and a measurement electrode plate when measuring the surface voltage of the electret film integrally provided in a fixed electrode.In a surface voltage measurement method of an electret ...  
JP4310571B2  
JP2009177404A
To measure potential between two poles of an electret condenser which is already assembled, in a nondestructive manner.A method is disclosed for measuring the potential between poles of the electret condenser 300 which is equipped with a...  

Matches 351 - 400 out of 2,100