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JPS5637466U |
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JPS5628156U |
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JPS5611332A |
PURPOSE: To make control possible even for rapid change of the degree of vacuum by providing electronic current control electrode between the hot cathode and the grid to control the electronic current from the hot cathode. CONSTITUTION: ...
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JPS567040U |
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JPS55181529U |
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JPS55167600U |
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JPS55150344U |
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JPS55147641U |
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JPS5544161Y2 |
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JPS55137511U |
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JPS55132639U |
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JPS55120141A |
PURPOSE:To vapor phase grow a specimen with preferable reproducibility in a pressure reducing vapor phase growing apparatus by retaining the temperature of the connector of a Pirani gauge sensor constant to eliminate the variation in the...
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JPS55111026A |
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JPS55120051U |
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JPS5533581Y2 |
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JPS5528337B2 |
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JPS55105226U |
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JPS5597543U |
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JPS5586048A |
PURPOSE: To stably keep a magnetron discharge in a magnetic-field which changes its direction and strength, and perform the magnetron discharge which will not be influenced by magnetic-field variation of discharge current. CONSTITUTION: ...
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JPS5586047A |
PURPOSE: To make inverse magnetron discharge persist in without being affected by the direction of a magnetic field by shaping the potential of discharge space into spherical symmetry. CONSTITUTION: The anode 1 is spherical and is fixed ...
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JPS5590931U |
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JPS5574434A |
PURPOSE: To simply detect the pressure drop of inert gases hermetically sealed in a vessel under high pressure, by utilizing a discharge phenomenon. CONSTITUTION: Two needle-shaped electrodes for discharge 5a, 5b are oppositely positione...
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JPS5574038A |
PURPOSE: To only measure an ion current value periodically varying, and heighten a precision of measurement, by periodically interrupting an electron current in a square wave pattern, and neutralizing a change of each electrode voltage n...
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JPS5521476Y2 |
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JPS5554425A |
PURPOSE: To obtain a detector which provides accurate detection of gas pressure by inspecting an ionizable component by flowing an ion current by applying a voltage between electrodes arranged by ionizing gas irradiated with radiation. C...
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JPS5546144A |
PURPOSE: To enable to extend the pressure measuring range of cold cathode discharge type vacuum meter to higher vacuum and to enable to measure the vacuum under strong magnetic field such as the plasma enclosing unit by using this magnet...
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JPS5513708Y2 |
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JPS5546904U |
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JPS5540920A |
PURPOSE: To prevent the deficiency in the pressure gauge, by providing the three- way electromagnetic valve connected to the outlet port at the pressure introduction section of a vacuum measuring pressure gauge to always keep the section...
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JPS556418Y2 |
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JPS552048B2 |
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JPS55904Y2 |
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JPS5444621Y2 |
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JPS54179182U |
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JPS54163979U |
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JPS54139074A |
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JPS5432593B2 |
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JPS5431832B2 |
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JPS54130172A |
PURPOSE: To prevent accident due to malfunction of sequence, by actuating the control circuit of valve to close the valve when the filament of Pirani tube is broken. CONSTITUTION: If a filament F1 of a Pirani tube 1 is broken while the v...
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JPS54128386A |
PURPOSE: To discharge stably and measure the degree of vacuum correctly, by furnishing the discharge type vacuum measuring apparatus with current-voltage converting circuit, voltage holding circuit, integrating circuit, and display contr...
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JPS5425823B2 |
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JPS54117247U |
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JPS54100521A |
PURPOSE: To improve the reliability and simplify the construction of a pipe coupling, by combining an O-ring type packing with a cup-spring type lock ring. CONSTITUTION: A conical packing box 21 of a pipe coupling 2 is fitted with an O-r...
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JPS5499218A |
PURPOSE: To prevent the damage of a connecting joint by using a supporting fixture to form the inserting margin of an inserting pipe and to release the support against an excess load as a buffer for permitting the inserting of an inserti...
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JPS54106880U |
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JPS54105581U |
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JPS5486606U |
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JPS5413192B2 |
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JPS5465076A |
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JPS5410276B2 |
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