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Patent Searching and Data


Matches 401 - 450 out of 3,637

Document Document Title
JP5590251B2
A variable capacitance device includes a fixed substrate, a movable portion, driving electrodes, an RF capacitance electrode and an insulating film. The movable portion faces the fixed substrate and can change a gap between the movable p...  
JP5569939B2
A variable capacitor is provided for use with an electronic circuit board including a first terminal portion and a second terminal portion, to be built in a position indicator. The variable capacitor includes a dielectric having a first ...  
JP5569689B2
A variable capacitance device includes a fixing member, a fixed electrode having a first end side fixed by the fixing member, an actuator element having a first end side fixed by the fixing member directly or indirectly, a movable electr...  
JP5545410B2
An electronic device having a variable capacitance element, includes a support substrate providing physical support, a pair of anchors formed on the support substrate, and having support portions in a direction perpendicular to a surface...  
JP5534419B2
A position pointer is disclosed, including a housing, a substantially bar-like rod accommodated in the housing such that one end thereof projects to the outer side of the housing, and a variable capacitor having a capacitance value which...  
JP5533603B2  
JP5526061B2  
JP5494038B2
An electronic device includes a substrate, a stationary electrode provided above the substrate, a movable electrode that is provided to face the stationary electrode, a wall portion that is provided on the substrate and surrounds the mov...  
JP2014082278A
To provide a digital variable capacitance MEMS device which is prevented from malfunction even under vibration or the like.In a state where a MEMS bridge 3 is not displaced without application of a drive voltage, respective electrodes 21...  
JP5482398B2
The present invention can easily adjust capacitance of a vacuum capacitor while maintaining a vacuum state in a vacuum chamber of the vacuum capacitor. A fixed electrode 4 is formed by arranging a plurality of flat electrode members 5 in...  
JP5483430B2
A variable capacitor is disclosed, including: a dielectric having a first surface and a second surface opposing the first surface; a first electrode disposed on the first surface of the dielectric; a second electrode disposed to face the...  
JP5479227B2
In one embodiment, a semiconductor device includes a substrate having a through hole, and a MEMS capacitor provided above the substrate. The device further includes an integrated circuit configured to control the MEMS capacitor, the circ...  
JP5474805B2
Method for manufacturing a capacitor on a substrate, the capacitor including a first electrode (5) and a second electrode (12; 25), the first and second electrodes being separated by a cavity (16; 32), the substrate including an insulati...  
JP5463961B2
There is provided a method for fabricating a device, preferably for a micro electro electro mechanical system. The method includes forming a first electrode on a substrate, where the first electrode has a first sloped end at least at one...  
JP5440274B2  
JP5418604B2
A variable capacitance device includes a substrate, a beam portion, lower drive electrodes and upper drive electrodes. The beam portion is made of an insulating material and is connected to the substrate via an anchor portion. In the low...  
JP5417838B2  
JP5417825B2  
JP5418607B2
A variable capacitance device includes a substrate, a beam, a driving capacitance, a variable capacitance, and a driving voltage control circuit. The beam is connected to the substrate by a cantilever structure. The driving capacitance i...  
JP5418316B2
A MEMS device includes a substrate, a fixed electrode that is provided on the substrate and allows a signal to pass therethrough, a movable electrode that is provided above the substrate in a manner to face the fixed electrode and allows...  
JP5423816B2
A variable capacitance device that achieves a desired capacitance even when factors causing varied capacitances are generated is configured such that a capacitance detection pulse signal is applied from a capacitance detection signal gen...  
JP5417824B2  
JP5417823B2  
JP5405261B2
To withstand large transmission electric power and to stably vary electrostatic capacity. The variable capacitor 1 includes: a stator part 2 provided with a cylindrical stator conductor 15 fitted to a dielectric plate 10; and a rotor par...  
JP5407842B2
To provide a variable inductor which is easy to adjust and has proper performance. The variable inductor 3 has a coil 31, with one end connected to a first signal line 2b and two or more coil terminals 32, with being each connected to th...  
JP5399075B2
A tuneable capacitor arrangement for RF use has two series coupled MEMS variable capacitors (C1,C2;C4,C5,C6,C7), varied according to a control signal. The series coupling enables the capacitor to withstand a higher voltage since this is ...  
JP5382566B2  
JP2013255975A
To provide a highly reliable and excellent electronic device.An electric device includes: a fixed electrode 14 fixed to a substrate 10; a movable electrode 24 formed above the substrate, with a central part thereof opposed to the fixed e...  
JP2013254816A
To provide a capacitor that has changeable and adjustable capacitance without using a trimmer capacitor and many capacitors.The capacitor includes: a first conductor layer and a second conductor layer that are disposed facing each other ...  
JP2013251355A
To provide a piezoelectric film element-manufacturing method allowing suppression of deterioration in insulation properties of a piezoelectric film even when a lead-free piezoelectric film is finely processed by dry-etching; a piezoelect...  
JP5363005B2
A variable capacitor (A1-D1) that includes a substrate (1), a signal line (2, 2') disposed on a surface of the substrate (1) for feeding a signal, a ground electrode (3) disposed on the surface, and a movable electrode (4, 4') facing the...  
JP5352975B2
In the upper face of a substrate (22), there are formed a plurality of recesses (25). In one recess, a variable condenser (27) is formed by mounting a plate-shaped stationary electrode (30) on the bottom face of the recess (25) and by mo...  
JP2013232536A
To achieve high power resistance.The variable capacitance device includes a first MEMS variable capacitance element 10a and a second MEMS variable capacitance element 10b having one end connected in series to one end of the first MEMS va...  
JP5338615B2
A variable capacitive element includes a first fixed electrode and a second fixed electrode that are insulated from each other, a movable electrode arranged to face the first fixed electrode and the second fixed electrode, a dielectric l...  
JP2013215815A
To provide an electric component with a functional element capable of preventing the reliability from being degraded.An electric component includes a substrate, a first insulating film for forming a cavity storing a functional element al...  
JP5325893B2
Disclosed are a highly reliable variable-capacitance element that can operate with low power consumption, and a manufacturing method therefor. Additionally provided is a capacitance setting method for the variable-capacitance element. Th...  
JP5304398B2
A variable capacitance element provided with a substrate, a signal line provided on the substrate, a fixed electrode provided on the substrate, and a movable electrode. The movable electrode includes a movable portion that spans the sign...  
JP5300559B2
A piezoelectric-driven MEMS element includes a substrate, a beam, a fixed portion, a fixed electrode portion and a power source. The beam is provided with a lower electrode film, a lower piezoelectric film, a middle electrode film, an up...  
JP5294013B2
A filter includes a substrate; a signal line formed on the substrate and including an input terminal (1) and an output terminal (4) at either end of the signal line; and a first pair of resonant lines (2b, 2c) connected between the signa...  
JP5253507B2
In a cooling system for a variable vacuum capacitor, a liquid is arranged inside a cooling reservoir, a first part of the reservoir is designed to absorb heat energy from first bellows of the variable vacuum capacitor, the first bellows ...  
JP5237705B2  
JP5239793B2  
JP5235631B2  
JP5232378B2
Provided is a variable capacitance element comprising a plurality of single capacitance elements that each include (i) a fixed electrode provided on a surface of a substrate, (ii) a floating electrode provided to be separate from the fix...  
JP5224617B2
A piezoelectric actuator according to an aspect of the invention can include: a first actuator including a first piezoelectric driving part; and a second actuator including a second piezoelectric driving part. A central portion of the fi...  
JP5223793B2  
JP5218646B2
To inexpensively realize a small-sized variable capacitance module capable of certainly and inexpensively realizing necessary variable capacitance ranges. A variable capacitance circuit (11) includes a variable capacitance element (Cv3) ...  
JP5221042B2
Disclosed is a device for varying capacitance which pertains to the field of application of electronic devices and components. The technical essentials of the present invention lie in that: two dielectrics are disposed in parallel with a...  
JP5217382B2
At least one of the conductive members has a hollow storage portion that is formed at the conductive member and a communication hole through which the storage portion and the vacuum chamber communicate with each other, a getter is set in...  
JP5206343B2
A variable capacitor of a position indicator includes a dielectric, an electrode, a conductive member and a conductive portion. The dielectric has an upper surface and a lower surface opposite the upper surface. The electrode is provided...  

Matches 401 - 450 out of 3,637