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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 ...
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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...
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JP4452444B2 |
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JP4449574B2 |
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JP4437232B2 |
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JP4440470B2 |
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JP4439673B2 |
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JP4425688B2 |
A method of forming electroless plated terminations 78 for electronic components 74, the method comprises steps of: providing a plurality of electronic components, each component includes a plurality of ceramic substrate layers selective...
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JP4419551B2 |
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JP4419563B2 |
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JP4412977B2 |
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JPWO2008041565A1 |
本発明は、リーク電流等の特性劣化を低減し
、小型で低背なコンデンサ装置に関する。コ
ンデンサ装置は、支持基板１と、支持基板１
上に形成され、誘電体層４と誘電体層４...
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JP4409106B2 |
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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 ...
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JP4405467B2 |
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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 ...
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JP4390796B2 |
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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 ...
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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...
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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...
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JPWO2008001914A1 |
本発明は、容量値の制御性に優れ、チューナ
ビリティが可変であり、かつ、高チューナビ
リティの可変容量コンデンサアレイに関する
。電圧の印加により容量が変化する第１...
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JP4377740B2 |
A piezoelectric-driven MEMS device can be fabricated reliably and consistently. The piezoelectric-driven MEMS device includes: a movable flat beam having a piezoelectric film disposed above a substrate with a recessed portion such that t...
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JP4376910B2 |
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JPWO2007145259A1 |
本発明は、低歪み化と消費電流低減化をとも
に満足させ、さらに、耐電力、低コスト化、
回路の小型化を満足させる可変容量回路に関
する。直流電圧の印加に応じて誘電率が...
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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...
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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...
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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...
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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...
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JP4357876B2 |
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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...
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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...
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JPWO2009128503A |
Offer of an electrostatic induction type conversion element provided with electret with high surface potential, and the electret. A layer (A) containing resin (a) and a layer (B) containing resins (b) or inorganic substances (c) other th...
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JP4338745B2 |
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JPWO2009119678A |
Offer of an electrostatic induction type conversion element provided with electret with high surface charge density, and the electret. A layer (A) in which specific inductive capacity contains a high molecular compound (a) of 1.8*3.0, A ...
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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...
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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...
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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...
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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, ...
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JP4325930B2 |
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JPWO2009104699A |
Offer of an electrostatic induction type conversion element provided with electret excellent in the heat stability of an electric charge, and the electret. One or more sorts of repeat units chosen from a group which consists of a repeat ...
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JPWO2007116566A1 |
外部から印加される直流バイアスによって容
量が変えられるコンデンサにおいて、コンデ
ンサ本体に備える電極の積層数を減じること
ができるとともに、直流バイアス印加に...
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JPWO2007116471A1 |
第１の電極層と第２の電極層との間に誘電体
層が形成され、外部から印加する電圧により
容量を変化させることができる容量素子であ
る。誘電体層は、Ａ2+Ｂ4+Ｏ3なる構造の...
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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 ...
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JP4310571B2 |
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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...
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JP4307084B2 |
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JP4307141B2 |
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JP2009164539A |
To provide an electret structure surely securing the moisture resistance regardless of the thickness of an inorganic electret member, and also to provide its forming method, and an electret type capacitance sensor.A silicon microphone 10...
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JP2009147204A |
To obtain a variable capacitor which can control its capacitance, using a simple structure through easy and simple control.Fixed capacitors C1 to C5 are mounted on a substrate 3 which are connected in parallel. FET 1 to FET 4 are located...
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JP2009142043A |
To control AC power with a low loss and low noise while reducing a size and cost, also reducing the mounting number of components, and saving a space.A variable capacitance element of a variable capacitor C2(1VC) is connected to a fixed ...
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