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JP59168354 |
PURPOSE: To enable a metallic compound film of capacity-type thin-film humidity sensor to effect measurements with high responsivity, regeneration property and measuring accuracy even under unfavorable conditions of high temperature and ...
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JP59146818 |
PURPOSE: To obtain a piezoelectric high-molecular material that can exhibit high piezoelectric property, by molding a vinylidene fluoride/trifluoroethylene copolymer under heating and specified conditions. CONSTITUTION: A vinylidene fluo...
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JP59142448 |
PURPOSE: To obtain a sensor having quick responsiveness to humidity change, excellent reproducibility and stain resistance without dependability on temp. by using cyanoethyl pullulan having a specified substitution degree range of cyanoe...
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JP59101998 |
PURPOSE: To obtain an electret device by a simple work and in a short time by providing an electret film on a metallic plate or a fixed plate having a desired vibration characteristic. CONSTITUTION: A thin film 32 of a high polymer mater...
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JP58189548 |
PURPOSE: To obtain easily a sensor element having low input impedance with good yield, by covering the surface of an Al2O3 film of a humidity sensor element utilized the Al2O3 film covering a pair of comb-shaped electrodes of an insulati...
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JP58179348 |
PURPOSE: To obtain a thin film aluminum oxide sensor superior in characteristics, by covering the surface of aluminium oxide obtd. by anodic oxidation with a surfactant, and forming a water-permeable conductive thin film on this layer. C...
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JP58168032 |
PURPOSE: To obtain an electrooptic device which is dense and has a high degree of electric insulation and large capacitance by treating a Ta thin film formed on at least one of two substrates by anodic oxidation to form a transparent ins...
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JP58151549 |
PURPOSE: To make a humidity sensitive element small-sized and also responsive in a high speed by decreasing floating capacity, by using only electrostatic capacity constituted by a humidity sensitive material placed between a diffusion l...
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JP58057897 |
PURPOSE: To obtain acoustic transducer with long life and stable large output, by providing high and low rugged part distributing density on a rugged surface of a polymer derivative so as to change the distribution of electric charges on...
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JP57188200 |
PURPOSE: To improve the distortion characteristics and sensitivity, by forming electric charges at the back side of an electret of an electret capacitor type transducer with a distribution that the center is smaller than the circumferenc...
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JP57188105 |
PURPOSE: To uniform the surface charge and to obtain high reliability and high moisture resistance by providing a metallic layer laminated for both sides of an electret material, and forming the metallic layer of a plurality of island sh...
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JP57145499 |
PURPOSE: To obtain a piezoelectric or pyroelectric element which excels in the durability and the humidity resistance, by coating a solution composed mainly of an organic titanate compound on both surfaces of a film having the high molec...
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JP57127840 |
PURPOSE: To obtain the humidity sensitive element characterized by quick response and easy manufacttre, by forming thin film metallic electrodes on both sides of hydrophilic macromolecular film by vacuum evaporation and supporting both s...
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JP57097682 |
PURPOSE: To precisely control the variation in the capacitance value over a wide range by integrating a plurality of fixed capacitance elements and a plurality of switching elements connected to the respective fixed capacitance elements ...
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JP57014289 |
PURPOSE: To uniform the distribution of charges surely and to increase the protection of electret members remarkably, by forming a recess to the electret member of an electret element and pressing a dielectric substance to the recess. CO...
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JP57014297 |
PURPOSE: To produce charges having a potential equal to the algebraic sum of the potential of elements themselves with uniform distribution, on the electret member at the upper side, by maminating a pair of electret elements opposed with...
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JP57014286 |
PURPOSE: To enable to produce charges having a potential which is almost a plurality of times an electret distributed uniformly on the uppermost electret member, by laminating a plurality of electret elements through the grounding of the...
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JP57014292 |
PURPOSE: To uniformly distribute and to increase the protection of an electret member, by inserting a plurality of members in channel shape at the circumference between an electret member and a dielectric substance of an electret element...
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JP57014295 |
PURPOSE: To uniform the distribution of charges and to enable to move the electret effect to an arbitrary position, by laminating the 1st conductor to an electret member of an electret element and providing the 2nd conductor via a conduc...
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JP57014284 |
PURPOSE: To stabilize the characteristic, by uniforming the density of surface charge density and protecting the electret material, through the lamination of a dielectric substance to an electret element formed with an electret material ...
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JP57014287 |
PURPOSE: To produce charge having a potential equal to the algebraic sum of the potentials of a pair of electret elements on one back electrode, by laminating the electret elements so that the electret member's side are opposed and groun...
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JP57014294 |
PURPOSE: To produce charges in different polarity on both the sides of back electrode and dielectric substance with uniform distribution, by laminating a dielectric substance of the electret member of an electret element and floating the...
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JP57014300 |
PURPOSE: To supply charge to external electrode plates via a lead from a conductor, by laminating the conductor and an insulator to an electret member of an electret element to wind a back electrode externally in roll shape. CONSTITUTION...
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JP57014293 |
PURPOSE: To produce charges equal to the sum of charges of elements themselves in different polarity uniformly on dielectric substance and back electrode, by laminating a pair of electret elements toward the same arrangement and laminati...
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JP57014285 |
PURPOSE: To make uniform the surface charge density, to protect the electret material and to stabilize the characteristics, by opposing the electret element member to a grounded conductor and laminating a back electrode floated from grou...
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JP57014288 |
PURPOSE: To produce charges having the potential of almost a plurality of times a signal electret and being distributed uniformly on the back electrode at the uppermost position, by opposing the member side of the lowermost electret elem...
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JP57014290 |
PURPOSE: To uniform the distribution of charges and to increase the protection of electret members remarkably, by screwing or caulking a dielectric substance to the electret member of an electret element. CONSTITUTION: An electret member...
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JP57014291 |
PURPOSE: To uniform the distribution of charges surely and to increase the protection of electret material remarkably, by bonding a dielectric substance to the electret material of an electret element with adhesives. CONSTITUTION: An ele...
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JP57014298 |
PURPOSE: To produce charges equal to the algebraic sum of each element potential and in opposite polarity to a pair of back electrodes with uniform distribution, by opposing a pair of electret elements for the electret members and clippi...
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JP57014299 |
PURPOSE: To produce charges having equal potential as the algebraic sum of the potentials of elements in opposite polarity to both the dielectric substance surfaces with uniform distribution, by opposing the back electrodes of a pair of ...
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JP57014296 |
PURPOSE: To uniform the distribution of charges produced and to enable to adjust the density, by laminating a dielectric substance having greater size at the electret member of an electret element. CONSTITUTION: At an electret member sid...
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JP56125200 |
PURPOSE: To form the electrode electret stable in physical property and long in life, ease of manufacture and suitable for mass-production, by inserting macropolymer film with low melting point between polarization macromolecular film an...
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JP56104938 |
PURPOSE: To obtain the heat-sensitive element with improved impedance characteristics with respect to temperature, which comprises a copolymerized polyamide, primarily composed of an undecanoamide unit and/or a dodecanoamide unit, and a ...
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JP56103240 |
PURPOSE: To prepare the titled material having increased temperature dependency of electrical resistance, impedance, and capacitance, and suitable as a heat-sensitive wire for electrical blanket, etc., by compounding a potassium halide t...
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JP56070450 |
PURPOSE: To eliminate the delay in time of the follow-up of temperature compensation by using a humidity detecting element and an element for temperature compensation having the same thermal characteristics with those of the former eleme...
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JP56052997 |
PURPOSE: To make it possible to shorten the hardening time to two minutes, elevate the productivity and stabilize the characteristic, by using a ultraviolet ray hardening type adhesive agent. CONSTITUTION: An electret film, a macromolecu...
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JP55158315 |
PURPOSE: A film of thermoplastic resin is subjected to corona-discharge treatment using specific electrodes and, at the same time, the film surface is made uneven, then the film is made into fibers to give title yarn with good properties...
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JP55145757 |
PURPOSE: A high-molecular heat-sensitive material for use in heating element wires of electrical blankets, etc., comprising a mixture containing a specific polyamide and a polyether esteramide consisting of an ω-aminocarboxylic acid or ...
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JP55145756 |
PURPOSE: Titled high molecular heat-sensitive material having a high rate of variation of electric resistance with temperature, comprising a polyether esteramide produced from an ω-aminocarboxylic acid or lactam of at least 10C, an α,Ï...
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JP55133429 |
PURPOSE: To prepare the title film of γ-crystalline structure, having excellent piezoelectric and pyroelectric properties, without drawing, by casting a solution of polyvinylidene fluoride on a specific alkali halide, and evaporating th...
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JP55099058 |
PURPOSE: To provide a compacted humidity detecting element with a high accuracy and a high responsiveness at a low cost by laminating a semiconductive metal oxide layer, a carbon layer and a cathode current collecting layer employing a c...
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JP55051393 |
PURPOSE: To secure a high-accuracy correction for the frequency fluctuation to the temperature variation of the reference oscillator by using the ferrodielectric crystallized glass for the correcting capacitor, at the same time increasin...
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JP55049098 |
PURPOSE: To simplify a manufacturing process by carrying out thermal deposition and aging at the same time by interposing a low-melting-point interposing polymer film between a polarizing polymer film and an electrode plate and then by d...
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JP55049099 |
PURPOSE: To polarize a polarizing polymer film in a simple manufacturing process by interposing a polymer film with a low melting point between the polarizing polymer film and conductive film and then by thermally depositing it at a low ...
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JP55042474 |
PURPOSE: To obtain a piezoelectric vibrator of any desired thickness by increasing an electric input and output and then by stacking layers. CONSTITUTION: Long piezoelectric sheet 1 is wound around spool 5 of desired size twice or more a...
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JP54147887 |
PURPOSE: To obtain an element of a small size and high characteristics by laminating a semiconductive metal oxide film provided with non-contact spaces on the dielectric anodic oxidation film formed on a substrate of the specified materi...
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JP54129064 |
PURPOSE: Polyvinylidene fluoride films are laminated with films of a specific dielectric material on the one or both surfaces and electricity is applied to the resulting laminates, thus producing films of polyvinilidene fluoride with hig...
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JP54126097 |
PURPOSE: To produce a detecting element, which is small, highly accurate and responsive, by exposing a portion of at least one of metal oxide film of semiconductor and a carbon layer which is formed on the former. CONSTITUTION: A substra...
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JP54122193 |
PURPOSE: To reduce the change of element characteristics with time for the use under high temperature and high humidity by applying vapor phase treatment under high temperature and high humidity to a humidity detecting element formed by ...
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JP54122194 |
PURPOSE: To achieve the improvement in responsiveness by subjecting the humidity detecting element formed by laminating a dielectric anodic-oxidized film, semiconductive metal oxide film, carbon layer and cathode conductive layer on a me...
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