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Matches 401 - 450 out of 2,168

Document Document Title
JP2010267883A
To provide a device for manufacturing an electret capacitor capable of preventing discharge of charge of an electret in a manufacturing process.This device 100 for manufacturing an electret capacitor includes an ionization radiation irra...  
JP2010268445A
To provide a manufacturing method capable of providing an electret material having an excellent charge-retentive property with respect to heat.The method for manufacturing an electret material includes: an irradiation step, a formation s...  
JP2010267884A
To provide a method and a device for manufacturing an electret that can shorten a time needed to manufacture the electret.The device 100 for manufacturing the electret includes: an upper chamber 101 into which a helium gas is injected; a...  
JP4584527B2  
JP4580745B2  
JP2010258562A
To provide a method for manufacturing an electret material which improves the adhesion between a resin layer to be an electret layer and an electrode plate.The method for manufacturing an electret material includes: applying dispersing l...  
JP2010258402A
To stably manufacture a capacitance element that suppresses capacitance variation due to misalignment of electrodes that face each other across a dielectric layer so as to have a desired capacitance.The capacitance element is provided wi...  
JP2010251426A
To provide a varactor element having sensitivity of a control electric field between control terminals, the sensitivity capable of being set without reference to breakdown voltage resistance to a signal voltage, and to provide an electro...  
JP4566012B2  
JP4567643B2  
JP2010225611A
To provide a low-cost variable capacitor component having a coupling capacitor and variable capacitor with a less layer structure without using a varicap diode.The variable capacitor component includes an insulating substrate 11, a pair ...  
JP4548466B2  
JP4534988B2  
JP4535046B2  
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 ...  
JP2010089494A
To provide an electret-converted film (ii) which can stably maintain a high-charged state over a long period of time by using a porous resin film (i) having high insulation resistance and adding charge therein.The electret-converted film...  
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...  

Matches 401 - 450 out of 2,168