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JP5691085B2 |
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JP5674842B2 |
Disclosed is a tunable capacitor. The tunable capacitor according to a first embodiment of the present invention includes: a variable capacitor unit placed between a first terminal and a second terminal; and a bypass switch which on/off ...
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JPWO2013015385A1 |
An electret that exhibits a high charge density and has good charge density stability under high temperature and high humidity, and an electrostatic induction type conversion element provided with the electret are obtained. An electlet i...
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JP5673796B2 |
A crystalline perovskite crystalline composite paraelectric material includes nano-regions containing rich N3− anions dispersed in a nano-grain sized matrix of crystalline oxide perovskite material, wherein (ABO3−δ)α-(ABO3−δ−Î...
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JP5666123B2 |
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JP5659769B2 |
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JP5638211B2 |
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 fil...
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JP5638326B2 |
An energy conversion film, which can hold a larger amount of charges by pores in the inside of the film and has high energy conversion performances, is provided, by obtaining a porous resin film with a high expansion ratio without adopti...
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JP5638212B2 |
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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JP5628494B2 |
A capacitance element includes a first electrode, a second electrode, a third electrode, a fourth electrode, a first dielectric portion, a second dielectric portion, and a third dielectric portion. To the first electrode, a signal having...
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JP5627130B2 |
A method for forming an electret containing positive ions, includes: a first step of contacting water vapor including positive ions to a Si substrate (1) to which heat is being applied, and forming an oxide layer including those ions; a ...
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JP2014217178A |
To provide an electret device capable of increasing the stabilization of charge holding.An electret device 100 includes: a substrate 108; an electret film 103 formed over the substrate 108; and a conductive electrode 104 which is formed ...
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JP5617441B2 |
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JP5615988B1 |
To provide a piezoelectric laminate and a piezoelectric sheet which retain a polarized charge in a porous structure for a long time and maintain a high piezoelectricity. A porous resin sheet 7 made of a piezoelectric sheet containing a n...
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JP2014197698A |
To miniaturize a device and to improve reliability.In a capacitor array incorporating a plurality of variable capacitors C1 to C4, a plurality of positive and negative electrodes are alternately stacked for the respective variable capaci...
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JP5605120B2 |
To provide dielectric ceramic for tunable devices which has large variation of a relative dielectric constant for dc bias electric fields, small temperature dependence of the relative dielectric constant, and small dielectric loss in a w...
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JP5608436B2 |
A variable-capacitance device includes a first capacitance element coupled between a first power supply terminal and an output terminal, a capacitance selection switch that is turned on and off in accordance with a capacitance switching ...
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JP2014187396A |
To provide a variable capacitance capacitor having capacitance that largely changes due to application of DC bias voltage in an embodiment of the present invention, and having a capacitance value that changes in a small amount over time ...
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JP5598611B2 |
A high-frequency device includes an antenna coil, a variable capacitance element, and an RFIC. The variable capacitance element is configured by capacitor units in each of which a ferroelectric film is sandwiched between capacitor electr...
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JP2014146676A |
To provide a variable capacitance capacitor that has a low ESR.In the variable capacitance capacitor which has a first internal electrode 11 disposed inside a capacitor body 10, a second internal electrode 12 opposed to the first interna...
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JP2014143369A |
To provide an electret sheet for holding high piezoelectricity even if used under a high temperature.An electret sheet is provided in which at least two layers of a porous sheet containing a synthetic resin are integrally laminated and c...
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JP5563746B2 |
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JP2014135308A |
To provide a method for manufacturing a piezoelectric sensor.The method for manufacturing a piezoelectric sensor includes: integrally laminating first and second laminate sheets on one surface of a long piezoelectric sheet to manufacture...
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JPWO2012114931A1 |
Provided is a variable capacitance element that uses a dielectric layer whose relative permittivity changes depending on an applied voltage and can reduce the size of a piezoelectric substrate such as a piezoelectric resonance component ...
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JP2014123741A |
To prevent reduction of a usable element region by conductive trace or bond pad.There is provided a method for manufacturing a vertically integrated electronic device comprising the steps of: providing a porous film substrate having a pl...
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JP2014515704A |
The invention relates to a multi-layer composite (2, 2.1, 2.2, 18) comprising at least two electroactive layers (4, 6) positioned between a first electrically conductive layer (12) and a second electrically conductive layer (14), wherein...
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JP5536309B2 |
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JP5534947B2 |
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JP5533852B2 |
To provide a process for producing an electret which has high stability with time and thermal stability of retained electric charge and which has excellent charge retention performance, and an electrostatic induction conversion device co...
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JP5531448B2 |
A variable capacitor includes a metal oxide film having a perovskite structure, first and second electrode films having the metal oxide film placed therebetween and to be coupled to an external voltage source, and a bias voltage source c...
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JP5527211B2 |
To provide an electret having high stability with time and thermal stability of retained electric charge and having excellent charge retention performance, and an electrostatic induction conversion device comprising such an electret. An ...
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JP5505538B2 |
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JP5495363B2 |
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JP5494643B2 |
To provide a process for producing an electret which has high stability with time and thermal stability of retained electric charge and which has excellent charge retention performance, and an electrostatic induction conversion device co...
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JP2014093313A |
To provide an electret sheet which maintains high piezoelectricity even during use under high temperature.The electret sheet is characterized in that a porous sheet containing olefin-based resins is charged by injecting electric charges ...
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JP2014074104A |
To provide an electret sheet holding high piezoelectricity in application under high temperature.In an electret sheet, electric charge is injected to a synthetic resin foamed sheet containing synthetic resin, positive charging-type elect...
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JP5480414B2 |
A center electrode (3) is disposed in the center of a vibration power generation cable (1). An electret dielectric layer (5) is disposed on the outer periphery of the center electrode (3). An outer electrode (7) is disposed on the outer ...
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JP5474977B2 |
A patterned electret structure (21) on a substrate (10) comprises a dielectric structure comprising at least one non-patterned dielectric layer (22), and a charge pattern (14) in the dielectric structure and/or at a surface of a dielectr...
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JP5459404B2 |
In the disclosed thermal dielectric power generating device, by means of introducing a fluid into a chamber (110) through openings (113, 114), a circuit board (101) bends towards either a first wall (111a) or a second wall (111b), and a ...
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JP5443496B2 |
A variable capacitance system including a first electrode, a second electrode, and a layer of elastically deformable dielectric material positioned between the first and the second electrode. An electret forms with the first electrode a ...
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JP5446879B2 |
To provide an electret excellent in thermal stability of electric charge, and an electrostatic induction conversion device comprising such an electret. An electret containing any one of a fluoropolymer which comprises at least one repeat...
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JP2014034592A |
To provide an electret sheet retaining a high piezoelectricity even at the time of the use of the same under high temperature.This electret sheet is provided by implanting electric charges into a synthetic resin sheet containing a synthe...
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JP5411871B2 |
An electret electrode is constituted by forming a conductive film on a substrate, laminating a first insulating film and a second insulating film alternatively on the conductive film, and then disposing electret films in which a lower su...
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JP2014011282A |
To provide an electret sheet having high piezoelectricity.In an electret sheet 1 according to the present invention, two synthetic resin sheets 2, 3 with different compression elasticity moduli are integrally laminated. When a stress is ...
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JP5381979B2 |
To provide an electret having a high surface voltage, and an electrostatic induction conversion device comprising such an electret. An electret comprising a laminate wherein a layer (A) containing a resin (a) and a layer (B) containing a...
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JP5382711B2 |
To provide a film having permittivity which can be controlled by external stimulation and can be varied by light irradiation, and to provide an electronic device using the same. A thin film transistor 20 includes a glass substrate 21, a ...
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JP2013258224A |
To provide a variable capacitance capacitor having capacitance that largely changes due to application of DC bias voltage in an embodiment of the present invention, and having a capacitance value that changes in a small amount over time ...
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JP2013258320A |
To provide a method for producing an electret sheet that keeps high piezoelectricity even in use under high temperatures.In a method for producing an electret sheet of the present invention, an olefin resin sheet is cured at a surface te...
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JP5369519B2 |
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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JP2013245261A |
To provide an electret sheet having high piezoelectricity.An electret sheet can trap charges at an interface between a synthetic resin particle and a phthalocyanine compound and can exhibit excellent piezoelectricity by implanting charge...
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