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Matches 451 - 500 out of 688

Document Document Title
JP2511201
PURPOSE: To ensure reproducibility and stability of sensitivity by fixing the path of an electron directed from a cathode toward an electron collecting means. CONSTITUTION: A tubular object is provided with an external electrode 12 and a...  
JP08094475
PURPOSE: To realize highly accurate noncontact measurement of the gas pressure or the density of gas particle by detecting a laser light scattered by a gas. CONSTITUTION: An enclosed measuring vessel 2 has an opening 4 for introducing a ...  
JP08086710
PURPOSE: To provide a small and highly sensitive pressure sensor excellent in environment resistance. CONSTITUTION: A pressure sensor 20 is arranged so as to face an opening 14 communicated with a space 12 being a measuring object, and t...  
JP08074041
PURPOSE: To prevent the generation of a hillock, etc., on a material to be treated in a sputtering device open to the atmosphere by preventing the enlargement of the measurement error due to the oxidation of the internal electrode of an ...  
JP08029283
PURPOSE: To obtain a vacuum gage by which a degree of vacuum from a medium vacuum region up to a high vacuum region can be measured stably and safely by installing a cold-cathode electron source as an electron source used to generate an ...  
JP08029282
PURPOSE: To obtain a vacuum gage by which a vacuum from a medium-vacuum region up to a high-vacuum region can be measured without generating ions and without affecting an apparatus in the circumference by a method wherein an uneven thin ...  
JP08005494
PURPOSE: To provide a vacuum sensor which is simple in structure, small-sized, and besides can measure wide range of vacuum pressure with by itself by counterposing plural sets of diaphragm electrodes and conductive film electrodes with ...  
JP07325002
PURPOSE: To widen the sensitivity range of a micro vacuum sensor to 10-5 thru 103 millibar, wherein the sensor works on the principle of thermal conductivity, and equip the sensor with a high measuring accuracy. CONSTITUTION: A sensor st...  
JP07318447
PURPOSE: To eliminate the necessity of interrupting power supply to investigate a degree of vacuum of a vacuum valve dispense with a high voltage electric power supply device, and always easily monitor the degree of vacuum. CONSTITUTION:...  
JP07294360
PURPOSE: To provide an equipment with a casing which includes a pressure detecting device integrally formed in the casing. CONSTITUTION: A detecting means for detecting leakage which produce pressure change in the equipment includes a fi...  
JP07294359
PURPOSE: To measure degree of vacuum accurately in a short time without disturbing production of the vacuum insulator and without generating problem after production. CONSTITUTION: Inside of the small chamber 11 fixed in airtight state o...  
JP07277278
PURPOSE: To allow the driver to promptly notice that air has been sucked into the flow passage of a jet propulsion device during navigation of a jet-propelled boat. CONSTITUTION: In a water jet-propelled boat 10 carrying a jet propulsion...  
JP07270267
PURPOSE: To make it possible to ensure a prescribed detection reference position at all times without depending on the thickness and the size of a vacuum pack type heat insulating material, by providing an opening part in a setting stage...  
JP07260616
PURPOSE: To realize an inexpensive electric wiring for vacuum machine which can be handled easily while preventing insufficient contact. CONSTITUTION: The electric wiring 4 connects a vacuum machine, e.g. a vacuum meter 2 being inserted ...  
JP07232758
PURPOSE: To provide a system which detects whether a bottle or the like housing a secured material such as medicines is tampered or not to insure the security of the ensured material. CONSTITUTION: This is an electronic system which make...  
JP07209122
PURPOSE: To accurately measure continuously a measuring area wider than the measuring area of each sensor element, by combining a plurality of pressure sensors. CONSTITUTION: A Pirani sensor 1 is used in combination with a cold cathode e...  
JP07209123
PURPOSE: To enable accurately measuring self-exhaust velocity by providing an ionization vacuum gage for measuring object and a vacuum gage without self-exhaust function in a vacuum room and comparing the both values. CONSTITUTION: Fluid...  
JP07181095
PURPOSE: To provide an ionization vacuum gauge free from a problem related to a heating filament. CONSTITUTION: This ionization vacuum gauge is Bayard-Alpert type and has extremely low pressure environment in a chamber 1 for the measurem...  
JP07153419
PURPOSE: To prevent a stain in an ionizing chamber and attain pressure measurement or mass spectrometry with high accuracy in the ultra-high vacuum atmosphere. CONSTITUTION: An ionizing chamber 2 is made of a noble metal material which i...  
JP07120339
PURPOSE: To increase a mechanical strength and to enlarge range of a measuring pressure of a gas by making a filament coil-shaped. CONSTITUTION: A support 14 made of an insulating material is fixed to an inner wall of a main body 10, thr...  
JP07099034
PURPOSE: To provide an ionization gauge which can measure all the pressure from an ultra high vacuum area to a hyper vacuum area simply and highly accurately, by reducing the noise current such as an X-ray current or the secondary ion cu...  
JP07092071
PURPOSE: To absolutely measure the particle density of an extremely thin gas. CONSTITUTION: A gas particle is ionized 100% by a laser beam 11. An ion generating space S is projected on a two-dimensional phosphor scree 19. The length L an...  
JP07083780
PURPOSE: To realize a vacuum degree measuring device having a high capacity and long life. CONSTITUTION: The accuracy of the vacuum degree measuring device is enhanced by using at least one triode type ionizing vacuum measuring element 9...  
JP07077473
PURPOSE: To improve the degassing effect by forming the end of a current collector electrode into a stem shape having the same cross sectional area as that of a current collector electrode main body, and directly fitting it to a lead ter...  
JP07072031
PURPOSE: To provide an ionization vacuum gage which makes it possible to measure vacuum at a high sensitivity without polluting the space of a high vacuum. CONSTITUTION: A UV lamp 21 is provided to emit ultraviolet rays and an electron r...  
JP07072030
PURPOSE: To improve the efficiency of a magnet and measuring accuracy by placing the magnet in a vacuum container as cathode to simplify the structure while allowing the formation of a nude form. CONSTITUTION: A vacuum gauge is made up f...  
JP07043236
PURPOSE: To provide a field emission type vacuum gauge which has an extremely simple structure and small size and can accurately measure a pressure in an ultra-high vacuum region or lower than the region. CONSTITUTION: A constant-current...  
JP07035636
PURPOSE: To provide a sensitivity correction method of a gyro capable of correcting sensitivity change accompanying a change with the passage of time of the gyro as it is mounted on a moving body and securing precision necessary for navi...  
JP07027648
PURPOSE: To improve S/N ratio and then the sensitivity in vacuum measurement by improving the conventional Raffti type vacuum meter. CONSTITUTION: In side a container-shaped body 1 with a magnet 6 at an outer periphery, a filament 2 for ...  
JP07012668
PURPOSE: To measure a pressure of a wide range by providing independent diaphragm and fixed electrode having different measuring ranges in a vacuum gauge, and providing a controller for deciding whether value measured by any of the diaph...  
JP07005061
PURPOSE: To obtain a reliable and high-sensitivity vacuum meter by measuring the potential distribution in space, space charge and further rotary current when measuring vacuum with a high sensitivity using a space where electric field an...  
JP06347554
PURPOSE: To eliminate influence due to re-evaporation of an adhered substance and to measure molecular beam intensity accurately by providing a heating means at a part where heat from the filament of an ionization vacuum meter directly a...  
JP06307964
PURPOSE: To predict an appropriate replacing time of ionization vacuum gauge by disposing a light emitting unit and a light receiving unit oppositely on the opposite sides of the tubular body of the ionization vacuum gauge and measuring ...  
JP06288854
PURPOSE: To brake undesirable pulses of a rotor by constituting a rotor for sensing vacuum degrees of a spherical magnetic body and by installing a superconductor support member so as to surround the rotor. CONSTITUTION: A frame is fitte...  
JP06260448
PURPOSE: To meet the requirements for etching performances such as etching work shape, selection ratio and etching rate of a specimen. CONSTITUTION: In order to etch a specimen 2 by leading a processing gas into a vacuum vessel 1 as a pr...  
JP06249736
PURPOSE: To provide a vacuum leakage detecting sensor which has a small size and a wide application vacuum degree range and in which probe gas except helium gas can be used. CONSTITUTION: This vacuum leakage detecting sensor 1 comprises ...  
JP06241933
PURPOSE: To provide a sensor for measuring vacuum degree that allows significant miniaturization. CONSTITUTION: A vacuum degree measuring sensor 1 is provided with a substrate 2 that contains a hallow part 3, and a thermal insulation fil...  
JP06235673
PURPOSE: To make possible accurate measurement of pressure in extremely high vacuum region by a constitution wherein a gas is adsorbed, for a predetermined time, to the surface of a purified gas adsorbing body and then the adsorbed gas i...  
JP06213754
PURPOSE: To quantitatively measure the degree of vacuum of a sealed vessel by continuously increasing voltage until a new dielectric breakdown by voltage occurs according to a prescribed time after dielectric breakdown is extinguished, a...  
JP06160226
PURPOSE: To perform approximate conversion of measurement signal by, when a measurement signal is approximate converted into a related value with a specific equation, using the relation among a collector current, base and emitter voltage...  
JP06160464
PURPOSE: To obtain a method (device) which can discriminate the reliability level of the measured results of the gas ratio of a cathode ray tube by a gas ratio measuring method (measuring instrument). CONSTITUTION: The gas ratio of a cat...  
JP06150875
PURPOSE: To prevent failure of an electron bombardment circuit when degassing is carried out in a device having an ion source with an electron bombardment system degassing function. CONSTITUTION: An electric current loop 11 to flow a dis...  
JP06137977
PURPOSE: To perform exact pressure measurement in response to a sort of gas by determining constants of a particular expression in regard to a difference between resonant impedance and inherent impedance of a quartz oscillator by means o...  
JP06129934
PURPOSE: To freely set a pressure at a boundary in which an emission current is to be increased or decreased by a method wherein a circuit which compares a pressure value with a set value is connected to an emission control circuit, a ci...  
JP06109575
PURPOSE: To measure pressure in a wide range without any affection of the kind of ambient atmosphere gases. CONSTITUTION: A pair of electrode films 2, 3 are formed on a glass board 1 and for instance, an iron porphyrin thin film 4 is sha...  
JP06109568
PURPOSE: To measure absolute pressure within a wide range of gas with only a device and achieve miniaturization in simple structure in regard to a vacuum sensor for detecting an absolute pressure value from the change of an electrostatic...  
JP06066661
PURPOSE: To fabricate a semiconductor device in which irregularities caused by wiring pattern can be flattened through a simple step. CONSTITUTION: In the fabrication of a semiconductor device, e.g. a large scale integrated circuit (LSI)...  
JP06066663
PURPOSE: To obtain a sensor device to be arranged at high density. CONSTITUTION: A sensor element 1 or a sensor element group is formed of a cathode layer 12 and a cathode end connected therewith, and an anode layer 14 opposing thereto. ...  
JP06066662
PURPOSE: To allow highly accurate measurement even of low pressure by fixing a temperature sensor, to be connected with a temperature compensation circuit, directly to an inner cylinder thereby allowing effective temperature compensation...  
JP06026957
PURPOSE: To make it possible to use a pressure transducer instead of an AT-cut crystal or BT-cut crystal in a while normal operation range by incorporating the crystal having an orientation in the relatively specific angle range to the Z...  

Matches 451 - 500 out of 688