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Patent Searching and Data


Matches 201 - 250 out of 855

Document Document Title
WO/1982/001456A1
Polymeric films exhibiting piezoelectric properties have such properties enhanced by being subjected to improved poling apparatus of the present invention comprising a textured corona discharge electrode roller oscillating over the polym...  
WO/1981/000786A1
Thick film capacitors with screened electrodes can not be laser trimmed without damage to the dielectric. To solve this problem a thick film capacitor, with a first electrode (12), at least one dielectric layer formed from paste (14, 16)...  
JP2014116407A
To provide a variable capacitance element module with a high ESD resistance property.A substrate 30 is formed in a shape of a rectangular parallelepiped plate having a first side BS1 and a second side BS2 opposing each other with a varia...  
JP2014103181A
To provide a variable capacity composite component having a large capacitance change rate, as a whole, by bringing out the essential capacitance change of each variable capacitance capacitor to the maximum.Variable capacitance capacitors...  
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 ...  
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...  
JP2014067826A
To provide a manufacturing method of a micro electret pattern which reduces cost, is simplified and improves productivity, and to provide an inspection method of the micro electret pattern which reduces cost, is fast and improves reliabi...  
JP2014049557A
To provide a method of manufacturing an oscillatory power generation element comprising a small-sized and high-output stereoscopic interdigital electrode structure including an electret capable of maintaining a high charge density for a ...  
JP2014042444A
To provide a vibration power generation cable and such, having high generation efficiency, capable of being applied to various forms of installation sites.A center electrode 3 is provided at the center of a vibration power generation cab...  
JP2014036022A
To provide a tunable capacitor obtained by using a material having a large change in dielectric constant for an electric field.In a tunable capacitor utilizing a large dielectric tunability in the electric field induced phase transition ...  
JP2014036120A
To provide a variable capacitance element able to further reduce capacitance variation per variable capacitance element, and a mounting circuit including the variable capacitance element.A variable capacitance element 10 comprises an ele...  
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...  
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 ...  
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 ...  
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...  
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...  
JP2013214740A
To provide a tunable capacitor that allows reducing power consumption by reducing the size.According to the first embodiment of the present invention, a tunable capacitor includes: a variable capacitor section located between a first ter...  
JP2013214560A
To provide a manufacturing method of an integrated circuit board including a ferroelectric capacitor.A manufacturing method of an integrated circuit board 11 including a ferroelectric capacitor comprises: a first step of sequentially for...  
JP2013211559A
To provide a manufacturing method of an electret having improved surface potential, and a manufacturing method of an electrostatic induction-type conversion element using the manufacturing method.A manufacturing method of an electret inc...  
JP2013165301A
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...  
JP2013162356A
To exert a desired influence on a signal by controlling permittivity or permeability by simple control.A permittivity control circuit 1 includes: a cell region 2A comprising an array of a plurality of cells 2 each having a conductor 3 in...  
JP2013115922A
To provide an electrostatic induction type mechanoelectrical transducer which uses an electret and has more excellent output.The electrostatic induction type mechanoelectrical transducer comprises: an electret; a first counter electrode;...  
JP2013004841A
To provide a variable capacitance device capable of obtaining three or more capacitance values as well as reducing the size of the device and signal loss, and a drive voltage control circuit.A drive capacitance C1 of a variable capacitan...  
JP2013004707A
To provide a piezoelectric film element and a piezoelectric film device which excel in piezoelectric characteristics and have high reliability.In a piezoelectric film element 10 having at least a lower electrode layer 2 and a piezoelectr...  
JP2012243841A
To provide a small-sized and low-voltage tunable device using a hexagonal-system barium titanate bulk crystal dielectric material with high dielectric constant.The tunable element, changing an electrostatic capacitance by applying a volt...  
JP2012216880A
To provide a capacitative device capable of accurately securing a capacitance value, a variable capacitative device capable of sufficiently securing a capacity variability rate, and a resonance circuit that uses the capacitative devices....  
JP2012169589A
To provide a capacitive element capable of accurately securing the value of capacitance, and a variable capacitive element capable of securing an enough capacitance variable rate, as well as a resonance circuit, communication system, wir...  
JP2012156386A
To provide a variable capacitor having a large rate of change in dielectric constant with an electric field application and low dielectric loss in a microwave/millimeter wave band.A variable capacitor is a solid solution having a composi...  
JP2012138514A
To provide a portable device which is driven sufficiently by a low frequency vibration caused by movement of a human body, can be made lightweight and compact, and exhibits excellent durability while reducing the cost.In the portable dev...  
JP2012125894A
To reduce an amount of outgassing remaining in an electronic device after sealing, in the electronic device, and to provide its manufacturing method.The method for manufacturing the electronic device has the steps of: forming an underlyi...  
JP2012120388A
To provide an electrostatic induction type conversion device having high mechanical-electrical conversion efficiency.The electrostatic induction type conversion device 1, to convert electrical energy and kinetic energy, comprises: a base...  
JP2012069580A
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...  
JP2012060030A
To stably manufacture electrostatic capacitive elements having different capacitance without changing the shape of an electrode and the number of stacking of the electrodes.The electrostatic capacitive element comprises a dielectric laye...  
JP2012009929A
To solve the problem that accuracy is low in a capacity value concerning a conventional variable capacity element.A variable capacity element of the present invention includes: a first capacity element C1 connected between a first power ...  
JP2011249722A
To provide an electret manufacturing apparatus and an electret manufacturing method capable of manufacturing the homogeneous electrets excellent in maintainability with no deterioration of electrodes.The electret manufacturing apparatus ...  
JP2011211029A
To reduce the size of a variable capacitive element using a ferroelectric substance that can attain expansion of a variable region of electrostatic capacity, while at the same time, maintaining a high Q-value.The variable capacitive elem...  
JP2011138544A
To provide a variable capacity element having a simpler configuration and excellent resistance to received voltage.The variable capacity element includes a ferroelectric layer made of ferroelectric material, and two electrodes provided t...  
JP2011119482A
To further widen the flexibility of design of an internal electrode, a capacitance value, and so on, facilitate manufacturing, and suppress the influence of the parasitic capacitance, in a variable capacitance device configured by connec...  
JP2011101041A
To provide a variable capacitance element having a structure such that electric field sensitivity to a control voltage can be set irrelevantly to a breakdown voltage for a signal voltage, and an electronic apparatus.The variable capacita...  
JP2011086924A
To provide an energy conversion film having a high ability to convert energy, wherein a porous resin film having a high expansion ratio is obtained by forming a thermoplastic resin stretched film having a specific structure even without ...  
JP2011073960A
To provide a method for forming a dielectric thin film capable of expressing high tunability when used for a thin film capacitor and the like, and a thin film capacitor and a tunable device comprising a dielectric thin film obtained by t...  
JP2011060830A
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 g...  
JP2011044705A
To rapidly, inexpensively and easily grow an epitaxial thin film on a textured substrate.By using a combustion chemical vapor deposition method (CCVD) or the like, a perovskite type dielectric layer is formed on a textured substrate. A p...  
JP2011040581A
To provide a higher performance laminated capacitance element by more reducing an electrode resistance thereof.The capacitance element 10 includes a first electrode 21, a second electrode 22, a third electrode 23, a fourth electrode 24, ...  
JP2011009446A
To improve both the reliability of a MEMS element and the characteristics of a MIM element.The MEMS device includes: the MEMS element 10, including a first lower electrode 12 provided on a substrate 1, a first insulator 20 which is provi...  
JP2011003669A
To provide a variable capacitor of a small capacity.The variable capacitor includes: a first internal electrode which has a first pull-out part where an opening is formed, parts on both sides of the opening are extended in the long side ...  
JP2010279024A
To provide an electret material with superior electric charge retaining properties against heat.The electret material 10 has an electrode plate 1, a semiconductor layer 2 formed on the electrode plate 1, and an electret layer 3 formed on...  
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...  

Matches 201 - 250 out of 855