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JP3111916 |
To enable a rotor to be adhered to a stator stably in a variable capacitor where a stator for forming a stator electrode and a rotor for forming a rotor electrode are accommodated in the recessed part of a case and a recessed part is clo...
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JP2000216054 |
To provide a mineral battery element capable of taking out energy in a substantially constant way and provide a mineral battery. A mineral battery element 3 is made of sintered powder of polarity crystal substance. A mineral battery 10 i...
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JP2000188233 |
To form a capacitance-adjusting type capacitor, having a high Q-value characteristic, and permit adjusting capacitance through etching work using a laser light, by using a polymer film as dielectric material. A lower electrode 2 is forme...
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JP3079802 |
PURPOSE: To provide a new plasma gun which can produce a large area plasma easily and can prevent the plasma from being ill influenced by the lines of magnetic force from a convergence coil. CONSTITUTION: A plasma gun 1 consists of plasm...
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JP2000138531 |
To smoothly compensate the temperature of a quartz resonator even near an inflection point correspondingly to the temperature characteristic of the resonator which draws quadratic and cubic curves. The temperature of a quartz resonator i...
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JP2000134036 |
To easily test a switching control circuit of a capacitor array in a temperature compensation circuit for a crystal oscillator. Each array is provided with transfer gates 91-96 that are switched on/off with the output of a linear control...
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JP2000114101 |
To provide a dielectric thin film element which can be easily formed on a ceramic substrate at a low cost and is superior in such characteristics as small size and large capacity.At least a lower electrode 2, a dielectric thin film 3 and...
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JP3045419 |
PURPOSE: To enable a capacitor different in coercive resistant electric field of a ferroelectric film or capacity to be made in a short time according to the request of a user, and enable even the ferroelectric film capacitor high in coe...
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JP2000077267 |
To lower permittivity by having a tungsten bronze crystal structure represented by a specific formula and varying the permittivity by external field. The dielectric material is represented by a formula (AX, B1-x)Nb2 O6 (A is an element s...
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JP2000066453 |
To rapidly capture electric charges, to keep them constant and to obtain high heat stability by using a specified metallic carboxylate and a specified metallic sulfonate as electric charge improvers in a powdery coating material and in a...
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JP3034181 |
PURPOSE: To improve the fatigue phenomena of a PZT thin film and improve its durability by doping its PZT ferroelectric with a donor element and an acceptor element simultaneously. CONSTITUTION: A PZT (PbZr1-xTixO3) ferroelectric is dope...
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JP3021165 |
PURPOSE: To prevent reaction of an electrode with an Si material and improve adhesion with the material by employing perovskite-type oxide having conductivity for the electrode in a capacitor composed of an electrode and a perovskite- ty...
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JP11317324 |
To change the reactance by impressing an AC voltage to an electrode. Two electrode plates 2 and 3 face to each other. The two electrode plates 2 and 3 are provided with dielectric layers on the inside faces. A core 4 is provided with a t...
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JP11281477 |
To hold parallelism of a filter and a pyroelectric element, to expand an angle of visibility, and to improve detecting accuracy by forming both element base stands as a similar structure having air vents for communicating the inside/outs...
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JP11274000 |
To obtain a non-linear dielectric element with high reliability in which mechanical strength is excellent, a large pulse voltage can be generated, and the deterioration in the mechanical strength or the generated pulse voltage due to lap...
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JP11265836 |
To provide a ferroelectric thin-film capacitor which has sufficient remanence and can be driven with a lower operating voltage. A ferroelectric thin-film capacitor 1 is provided with a substrate 2, a lower electrode 3 formed on the subst...
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JP11260667 |
To provide the manufacturing method of a variable-capacitance element for high frequency at a low cost that can be readily formed on a ceramic substance, of which capacitance changes greatly at low voltage, and of which the capacitor cha...
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JP11261015 |
To integrate a variable capacitor in a semiconductor device through the use of regular manufacturing technology and substance, by constructing a stacked constitution body having a dielectric membrane which can be moved in fixed plates th...
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JP11239025 |
To obtain a frequency converter which dramatically satisfactorily eliminates a parasitic frequency, is applied especially to what has mobility and has a very low power consumption. This frequency converter has two frequency multipliers w...
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JP11219853 |
To joint a lead terminal with sufficient strength in a correct direction at right angles with an electrode in a nonlinear dielectric element with a lead. Lead terminals 9 and 10 are jointed with a nonlinear dielectric element 1, includin...
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JP11219851 |
To elongate an electric device in service life by a method wherein a silicon oxide electret layer is formed on the surface of an electrode formed of metal or high-concentration impurities, and a semiconductor layer which is lower in resi...
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JP11219852 |
To manufacture an electret device which is long in service life by a method wherein a silicon semiconductor layer which is formed through an epitaxial method and larger in resistivity than a high-concentration impurity semiconductor is p...
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JP11214260 |
To provide a non-linear dielectric element which enables prevention of adhesion of a junction member to a jig in junction of a lead terminal and in which shift of the junction position of the lead terminal and a junction strength failure...
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JP11214258 |
To obtain non-linear characteristic of a dielectric, by constituting first and second electrodes formed in first and second surfaces of a dielectric consisting of dielectric ceramics which shows non-linear characteristic of a metallic fi...
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JP11214259 |
To provide a non-linear dielectric element in which deterioration of the non-linear property is less likely to be generated and which is capable of obtaining a large pulse voltage, excellent in insulation capability, and easy to manufact...
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JP11214257 |
To provide a non-linear dielectric element capable of exhibiting a good non-linear property. A non-linear dielectric element 1 has a dielectric substance 2 made of dielectric ceramics presenting a so-called non-linear property and presen...
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JP2953546 |
PURPOSE: To provide a polyolefin-based split fiber filter made to be an electret, containing a phase structure having small molecular mobility and exhibiting excellent charge-retainability at initial stage and over a long period. CONSTIT...
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JP11186100 |
To provide a nonlinear dielectric element, which is small-sized and large capacity, without the need for the formation of a complicated glass cover layer, and in which the deterioration of hysteresis in electric field-change characterist...
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JP11162785 |
To provide a capacity variable element which can be easily formed on a ceramic substrate at low costs, and which can be made compact in which large capacity change can be obtained with a low voltage, and capacitor characteristics can be ...
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JP11121277 |
To easily form a capacity variable element on a ceramic substrate at low cost by a method, wherein a dielectric film is formed by partially substituting the titanium element of barium titanate of a dielectric thin film with zirconium, ha...
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JP11111566 |
To make an impedance matching box to be compact and small in thickness and simplify the production step in the impedance matching box to be mounted to a high-frequency circuit board for a portable information terminal. A lower electrode ...
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JP11111565 |
To prevent adhesion of impurities to electret material by irradiating the electret material with a positive ion and a negative ion to neutralize its surface, irradiating the material with the negative ion to charge at a negative potentia...
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JP11067591 |
To provide an electret having high secondary non-linear optical characteristics by a method wherein the electret consists of a polar high- molecular thin film, which is formed on a glass substrate and is turned into an electret, and the ...
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JP11067592 |
To facilitate ensuring of a power supply to electrodes for voltage application use by a method wherein a voltage is applied to an inductor from a voltage source to electrodes for capacity extraction use and a voltage, which is generated ...
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JP11026296 |
To form a conductive thin film exhibiting a high surface flatness, which can control stress of a ferroelectric thin film, especially a PZT thin film exhibiting a high surface flatness and an enough selfpolarization which is to be formed ...
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JP11003839 |
To provide a variable capacitance element the capacitance of which can be changed largely under a low voltage by successively providing a lower electrode, a thin dielectric film, and an upper electrode on a substrate, with the thin diele...
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JP10321469 |
To improve long-term maintenance of charges by using a resin composition, which is composed of ethylene-unsaturated carboxylic acid copolymer and vinyl aromatic hydrocarbon-unsaturated carboxylic copolymer, and has a part of or whole cab...
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JP10321468 |
To improve long-term maintenance of charges by making an ionomer, whose carboxylic group of ethylene-nonsaturated carboxylic acid copolymer having a specified quantity of unsaturated carboxylic acid content is neutralized at a specific r...
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JP10308326 |
To make it possible to retain an electric charge on polyethylene itself by charging at a room temperature, by a method wherein an electret is formed by the material containing an ethylene random copolymer formed by ethylene having specif...
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JP10287493 |
To prevent the value of spontaneous polarization from deteriorating when forming a ferroelectric thin film, especially a PbTiO3 ferroelectric thin film on an Si single crystal substrate. This laminated thin film is formed on an Si single...
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JP10287494 |
To prevent the value of spontaneous polarization from deteriorating when forming a ferroelectric thin film, especially a PbTiO3 ferroelectric thin film on a substrate composed of an Si single crystal, etc. This laminated thin film is for...
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JP10272314 |
To electrify a material at room temperatures and hold the electric charge, and hold a high electric charge holding characteristic up to a melting point, by providing the material, which contains a polyolefin manufactured by a polymerizat...
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JP10270290 |
To allow parts with low breakdown voltage to be mounted on a circuit board by installing a control electrode for adjusting the capacitance of a capacitor on both the sides which sandwich a base. Control electrodes 12-1, 12-2 for adjustin...
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JP10256085 |
To provide a capacitance-varying element that can be formed easily even on a ceramic substrate, is compact, can obtain a large capacitance change even at a low voltage, and does not cause capacitor characteristics to deteriorate even at ...
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JP10233338 |
To stabilize the capacitance of a variable capacitor by improving the contact balance of a rotor with a stator-side electrode by forming the second electrode section of the stator-side electrode on the other side of the center of rotatio...
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JP10226519 |
To improve safety by dissolving organometallic compds. in a specified solvent, coating the top of a substrate with the resultant soln. and forming a thin oxide film by heat treatment. Two or more of organometallic compds. separately cont...
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JP10223476 |
To prevent the decline of the spontaneous polarization value of a ferroelectric thin film, particularly, a PbTiO3 ferroelectric thin film, when the thin film is formed on a single-crystal Si substrate by controlling stresses in the thin ...
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JP10223475 |
To regulate a small and low-cost capacitor to a desired capacitor capacitance by a method wherein a voltage which exceeds a rated voltage is applied to a ceramic capacitor which is made of a ferroelectric ceramic and the capacitance of t...
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JP10209714 |
To make the a variable capacitor compact and weight-light and to easily adjust the characteristics in the voltage-controlled band-pass variable filter used for a high frequency or the like in a radio communication equipment. A filter 51 ...
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JP10203868 |
To obtain a PZT thin film for ferroelectric capacitor, having suppressed fatigue phenomenon of PZT, small leakage current and improved durability by doping the PZT with a donor element and an acceptor element in amounts capable of preven...
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