Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 401 - 450 out of 2,255

Document Document Title
JP5126038B2  
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...  
JP5093946B2  
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...  
JP5085753B2  
JP5076026B2  
JP5075495B2  
JP5071079B2  
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....  
JP5057572B2  
JP5048212B2  
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...  
JPWO2010095553A
Offer possessing a manufacturing method of electret which temporal stability and heat stability of an electric charge which were kept were high, and was excellent in the electric charge maintenance characteristic, and the electret of an ...  
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...  
JP5000660B2  
JP4996036B2  
JP4988742B2  
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...  
JP4980539B2  
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...  
JP4961362B2  
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...  
JP4953877B2
The invention relates to reducing the leakage current and insulation breakdown in a dielectric film stepped portion caused by a surface roughness of a dielectric film, and to enhancing insulation of a variable capacitor. A lower electrod...  
JP4940890B2  
JP4921325B2  
JP4913778B2  
JP4915130B2  
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...  
JPWO2010050277A
The characteristic is provided with the nanomaterials layer which consists of two or more kinds of mutually different nanomaterials, the 1st electric conduction layer electrically connected with at least one copy of a nanomaterials layer...  
JP4907266B2  
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...  
JP4888418B2  
JP4880878B2
The present invention is directed to a structure comprised of alternating layers of metal and sacrificial material built up using standard CMOS processing techniques, a process for building such a structure, a process for fabricating dev...  
JPWO2010032759A
Offer possessing the electret which the temporal stability and heat stability of the electric charge which were kept were high, and was excellent in the electric charge maintenance characteristic, and the electret of an electrostatic ind...  
JP2012503872A
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 ...  
JP4873007B2  
JP2012502493A
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...  
JP4861790B2  
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 ...  
JP4810661B2  
JP4812765B2  
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...  
JP4798870B2  
JP4766956B2  
JP4763358B2  
JP4753609B2  
JP4749052B2  
JP4743222B2  

Matches 401 - 450 out of 2,255