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Patent Searching and Data


Matches 551 - 600 out of 686

Document Document Title
JP61277030
PURPOSE: To make it possible to perform the calibration and capacity measurement of a vacuum gauge in a pressure region lower than 10-4Torr with good accuracy, by correlating the hydrogen transmissivity of a nickel membrane with the temp...  
JP61272624
PURPOSE: To improve operability, responsibility and further, measuring accuracy of the titled gage by oscillating a diaphragm forcedly and detecting the amplitude optically and detecting a vacuum degree. CONSTITUTION: The periodical elec...  
JP61265544
PURPOSE: To obtain a vacuum gauge constituted so that a negative ion is formed by adhering an electron having extremely small kinetic energy to a gas molecule and collected by an ion collector to be measured, by mounting a negative ion f...  
JP61240135
PURPOSE: To enable the measurement of a vacuum degree from a low vacuum region to a medium vacuum region, by providing a vacuum sensor wherein a heat generating resistor element and a temp. measuring resistor element are formed on a memb...  
JP61231423
PURPOSE: To measure atmosphere pressure over a wide range with good accuracy, by providing a means for exciting a plate shaped vibrator and a means for detecting displacement due to the vibration of an exciting body. CONSTITUTION: A tors...  
JP61230038
PURPOSE: To detect the pressure of a gas at high accuracy irrespective of the type of the gas by disposing an exothermic body and a heat receiving body with the specific position relationship so as to face each other and calculating pres...  
JP61226628
PURPOSE: To facilitate electric discharge even at an area with low pressure by providing a filament to the inside of a vacuum gage and making a thermion and gas generating from the filament a trigger of the electric discharge. CONSTITUTI...  
JP61215930
PURPOSE: To make small the equivalent serial resistance, to make high the sensitivity, to make wide the vacuum degree measuring scope, to make small- sized and to make light by sticking the piezoelectric plate further to the piezoelectri...  
JP61215929
PURPOSE: To obtain the vibrator for a vacuum sensor which is small in equivalent serial resistance, small-sized, strong in the impact and excellent in the reliability by arranging the exciting electrode with a different polarity at both ...  
JP61215932
PURPOSE: To make small the equivalent serial resistance, to make high the sensitivity, to make wide a vacuum degree measuring scope, to make small-sized and to make light by arranging the exciting electrode at both edge parts and the cen...  
JP61215933
PURPOSE: To obtain a vibrator which makes wide the vacuum degree measuring scope, is small-sized, strong in the impact and excellent in the reliability by making the width of the central part of the vibrator arm smaller than the width of...  
JP61215931
PURPOSE: To obtain a vibrator for the vacuum sensor which is small-sized and excellent in the reliability by making the width near the tuning fork base wider than the arm width of the tuning fork tip part, and arranging the exciting elec...  
JP61145429
PURPOSE: To obtain a measuring element normally operated under the ferromagnetic field of a nuclear fusion reactor, receiving the reduced effect of a secondary electron and capable of measuring the rapid change in gas pressure, by arrang...  
JP61130840
PURPOSE: To achieve a high measuring accuracy, by a method wherein a fitting metal for connecting a filament is supported at one end thereof so as to be movable with respect to an insulator and a thermal stress is absorbed by the fitting...  
JP61130485
PURPOSE: To make possible the control of a remaining gas in the stage of film formation regardless of the condition in a vacuum chamber by coupling an analysis chamber having a high vacuum evacuation system via a pressure conversion orif...  
JP61128139
PURPOSE: To calculate the real total pressure value of gas to be measured, by correcting a total pressure measured value by calculating not only the concn. of each componential gas from the ion current value of the gas to be measured cal...  
JP61107126
PURPOSE: To accurately calculate the vacuum degree of a vacuum pack type heat insulating material, by mounting a displacement sensor for detecting the deformation of the outer packing material of the heat insulating material in the vicin...  
JP61073047
PURPOSE: To obtain a small-sized vacuum sensor which is tolerant to a shock and has superior reliability by using a crystal resonator by selecting the cutting angle of the resonator which provides minimum force sensitivity regardless of ...  
JP61073044
PURPOSE: To obtain a vacuum sensor having a small size, strength to impact and excellent reliability by using a lithium niobate which is produced by selecting the cutting angle of the resonator to provided min. power sensitivity regardle...  
JP61073045
PURPOSE: To obtain a vacuum sensor having a small size, strength to impact and excellent reliability by using a lithium tantalate resonator which is produce by selecting the cutting angle of the resonator to provide min. power sensitivit...  
JP61073046
PURPOSE: To obtain a small-sized vacuum sensor which is tolerant to a shock and has superior reliability by using a crystal resonator by selecting the cutting angle of the resonator which provides minimum force sensitivity regardless of ...  
JP61057827
PURPOSE: To obtain a lithium niobate resonator having excellent reliability by cutting the Z plate of said resonator at the angle rotating 75W105° around the X-axis as the axis of rotation. CONSTITUTION: The flexuous mode lithium niobat...  
JP61035325
PURPOSE: To measure pressure without correcting the direction and intensity of a magnetic field by using a spherical electrode structure and gathering ions to a collector without reference to whether a magnetic field is present or not an...  
JP61035324
PURPOSE: To minimize the tensile force or compressive force onto a resonator which is generated by a temp. change by cutting a Z plate at the angle rotating 30W60° the plate around the X-axis as the axis f rotation. CONSTITUTION: The li...  
JP61030735
PURPOSE: To attain miniaturization and to enhance the strength against impact, by cutting a bending mode AlPO4 vibrator at an angle rotating a Z-plate by 30W60° around an X-axis being a rotary axis. CONSTITUTION: Both end parts 3 of an ...  
JP61030736
PURPOSE: To attain miniaturization and to increase the strength against impact, by cutting a bending mode quartz vibrator at an angle for rotating a Z-plate by 20W70° around an X-axis being a rotary axis. CONSTITUTION: Both end parts 3 ...  
JP61014533
PURPOSE: To enable to measure a degree of vacuum correctly by making a jet of vapor by raising the temperature of mercury or oil with the normal temperature and low vapor pressure and discharging gas from the high vacuum side to the low ...  
JP60259924
PURPOSE: To enable a vacuum value measurement in an ion source without a vacuum meter for exclusive use, by installing an electric current shock type ion source repeller or detecting a current value of an electric current flowing in a co...  
JP60243936
PURPOSE: To enable the pressure of sealed gas to be measured easily and with high accuracy, by cold lighting a fluorescent lamp with a stabilizer constituted by a resonant stabilizer having a secondary no-load voltage waveform in which r...  
JP60227143
PURPOSE: To eliminate malfunction and to improve reliability by providing an elastic wave counter and discriminating unit between an amplifier and display unit and by discriminating the elastic wave due to mechanical switching of a vacuu...  
JP60225039
PURPOSE: To make it possible to detect the vacuum degree of a vacuum valve during the supply of a current, by using a coaxial cable as the output wire connected to a discharge detector and coaxially providing a conductor connecting an ea...  
JP60198432
PURPOSE: To obtain the device that generates drawing data which allows proximity effect corrections at a high speed by correcting the size of a drawing pattern according to an exposure level. CONSTITUTION: A bit pattern memory 4 is contr...  
JP60177235
PURPOSE: To calibrate the vacuum gauge accurately in an extremely high vacuum state by providing a shield plate for prevention against discharge to a vacuum gauge fitting part, and providing an orifice which has small conductance between...  
JP60168033
PURPOSE: To simplify the structure of the titled element to enable the drastic decrease of the weight by composing a member for supporting current introducing terminal and a vacuum measuring port of ferromagnetic materials to form a magn...  
JP60127472
PURPOSE: To make it possible to easily detect the disconnection in an electric circuit, by connecting a detection condenser to the terminal of the electric circuit and detecting the presence of absence of disconnection on the detection s...  
JP60098327
PURPOSE: To quicken response speed and to measure precisely a vacuum degree by detecting an acoustic impedance of a gas seen from a mechanical vibration part varying with the vacuum degree. CONSTITUTION: AC signal generated from an oscil...  
JP60093935
PURPOSE: To make it possible to measure a vacuum degree accurately by attaching a hot-cathode ionization vacuum gage to a standed cylindrical tube and preventing heat generation of the cylindrical pipe during the measurement of a vacuum ...  
JP60063854
PURPOSE: To enable the pressure of the gas charged in a fluorescent lamp to be easily measured without breaking the lamp by comparing a tube voltage waveform obtained when the lamp is ignited with the relationship between the pressure of...  
JP60057231
PURPOSE: To make a title pressure gauge small-sized, and to expand a pressure range in a friction type measurement by using a piezoelectric vibrator for executing a bend vibration of a piezoelectric substance. CONSTITUTION: A piezoelectr...  
JP60003533
PURPOSE: To miniaturize the titled element so that the element can be enclosed directly even into a small objective space and to detect the deterioration of a vacuum degree in said space by forming said element from an insulator board, a...  
JP59230245
PURPOSE: To enable determination of a partial pressure of below 10-11Torr to be performed by placing a modulation electrode between an analyzing part and an electron-impact-type ion source, installing hot cathodes along the outer circumf...  
JP59228141
PURPOSE: To make linearity excellent to the range of very low pressure and to improve excessively large pressure characteristics and temperature characteristics, by providing a strain yielding part between a peripheral thick fixed part a...  
JP59221634
PURPOSE: To measure a relatively small degree of vacuum easily by detecting a current supplied to a turbo molecule pump. CONSTITUTION: The turbo molecule pump 1 varies in rotating speed up to about 10-2 torr inlet pressure. The current s...  
JP59206733
PURPOSE: To monitor the degree of vacuum visually even if a vacuum apparatus is connected to high potential by forming a fluorescent material layer to be acted by an electric field increasing in accordance with the rise of the degree of ...  
JP59196436
PURPOSE: To make it possible to monitor the degree of vacuum at a low cost, by emitting light from the outside of a vacuum shielding device, and detecting the reflected light from the surface of a gas absorbing material. CONSTITUTION: A ...  
JP59187236
PURPOSE: To generate an alarm by a buzzer and to acutomatically open a switch apparatus when vacuum deterioration is generated, by attaching a vacuum sensor to a vacuum switch tube while always monitoring the vacuum degree of the vacuum ...  
JP59170761
PURPOSE: To obtain a vacuum gauge which senses gaseous molecules flying from a specific direction b laminating plural truncated conical umbrellia-form bodies on the gaseous molecule flow intake side of the vacuum gauge. CONSTITUTION: Plu...  
JP59166832
PURPOSE: To measure a pressure value in an optional place in a vacuum system by displaying a pressure value obtained by multiplying a coefficient to a pressure value shown by a signal obtained from a pressure measuring, sensor attached t...  
JP59141028
PURPOSE: To detect pressure change with good accuracy by preventing the excessive increase of the internal stress of a piezoelectric element, by providing a minute gap which disappears when force reaching a definite value or more is appl...  
JP59141027
PURPOSE: To attain to enhance measuring capacity by reducing a measuring error, by calculating pressure from the radio of the charging time of the ion current due to an integrator and the discharge time of the integrated amount due to el...  

Matches 551 - 600 out of 686