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JPS5821533A |
PURPOSE: To reduce an output power of a pulse discharge control power source, by a method wherein a discharge control electrode, extending into a part of a hollow part of an anode, is located so that it is insulated from a cathode, and t...
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JPS584414B2 |
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JPS58834Y2 |
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JPS58835Y2 |
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JPS57210531A |
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JPS57203345U |
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JPS5758615B2 |
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JPS57200830A |
PURPOSE: To measure the vacuum degree in a high vacuum region highly accurately by providing the constitution wherein only a discharge current component is extracted from the current value detected in a high voltage current. CONSTITUTION...
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JPS57199929A |
PURPOSE: To make the measurement of the degree of vacuum more accurate and to make the detection of gaseous pressure near a target possible by providing magnetic poles near the opening of a conduit communicating with a vacuum gage in suc...
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JPS5754042Y2 |
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JPS5754735B2 |
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JPS57187823A |
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JPS57163836A |
PURPOSE: To accurately measure the working pressure of an apparatus which requires a wide pressure range by automatically correcting the zero point of a low-vacuum measurement system when a high-vacuum measurement system measures a degre...
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JPS5740782Y2 |
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JPS5728832B2 |
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JPS5794839U |
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JPS5793874U |
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JPS5782038U |
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JPS5776432A |
PURPOSE: To indicate the degree of vacuum in a wide range precisely only by one discharge by measuring the discharge current in a vacuum valve to be measured after amplifying the current with a logarithmic amplifier and them indicating t...
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JPS5766331A |
PURPOSE: To enable to perform a wide-ranged measurement, by a method wherein an ion current, generated resulting from a discharge, is measured through the installation of a hollow cylinder anode, a cathode covering the opening end of the...
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JPS5766330A |
PURPOSE: To perform a measurement of superhigh vacuum and high vacuum, by a method wherein a discharge in a hollow part is controlled through the installation of an electrode having a hollow part, an electrode covering an opening, a line...
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JPS5761540U |
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JPS5760241A |
PURPOSE: To enable the measurement upto a hollow vacuum region by stabilizing a potential gradient on the surface of a magnetron type discharge electrode at a steep part thereof through control of possible discharge with a control electr...
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JPS5757231A |
PURPOSE: To judge the quality of the degree of vacuum by a method wherein a Kerr element and a polariplate are arranged for one of plurality of voltage share equalizing capacitors connected in parallel with a vacuum breaker to detect the...
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JPS5757229A |
PURPOSE: To simplify a device by connecting in series at least two sets and more of Kerr elements and polariging plates minitoring a degree of vacuum of a vacuum breaker in one closed circuit. CONSTITUTION: In the case of making a high-c...
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JPS5752837A |
PURPOSE: To perform accurate measurement rapidly, by a method wherein the most sensitive one among a plurality of measuring circuits is automatically selected. CONSTITUTION: Discharge current is detected at a discharge current detecting ...
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JPS5710369B2 |
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JPS5710367B2 |
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JPS5710368B2 |
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JPS573901B2 |
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JPS578428A |
PURPOSE: To maintain the accuracy of measurement and save the labor for disassembling by rushing air into a vacuum device through a small sized air lead-in tube provided near the gage port of a gage mounting and connecting pipe connected...
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JPS576044U |
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JPS57769U |
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JPS56158035U |
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JPS56151334A |
PURPOSE: To reliably detect discharge and to minimize a change in pressure, by a method wherein, through the detection of discharge, the discharge in a vacuum bulb to be measured is caused to suspend after a given period of time has elap...
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JPS56135152U |
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JPS5643710Y2 |
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JPS5643711Y2 |
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JPS56121229A |
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JPS56118634A |
PURPOSE: To remove the photon current and obtain a true ionic current by a method wherein the ionizing space and the ion collecting space are separated by a shielding means having an opening, and a modulation electrode is introduced into...
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JPS56109239U |
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JPS56103339A |
PURPOSE: To prevent the degradation in characteristics even in polluting atmospheres by coating the surface of a thermistor with an oxidative catalyst. CONSTITUTION: The surface of a thermistor element 11 the lead wires whereof 13 are co...
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JPS5664631A |
PURPOSE: To stabilize operations, to improve measurement accuracy and to simplify structure by a method wherein a magnetic field generation system connected with a voltage lead member, et al is contained in an air tight container. CONSTI...
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JPS5664632A |
PURPOSE: To perform a stabilized magnetron discharging in vacuum by cooling a magnetic field generation system and a cathode. CONSTITUTION: A through hole 1a of a flange 1 for the extra high vacuum use fitted air tightly to a flange 2 in...
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JPS5663230A |
PURPOSE: To prevent the blockade of the particle or the like, by providing a small aperture linking to the open air at the pressure guide part where the detecting point of the fluid path is connected to the converter. CONSTITUTION: The t...
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JPS5662644U |
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JPS5619894B2 |
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JPS5644816A |
PURPOSE: To eliminate the influence of magnetic field by measuring the degree of vacuum from the vapour coating speed of segment of material directly vapour coated and the vapour coating speed of segment of material indirectly vapour coa...
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JPS5615730Y2 |
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JPS5636818A |
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