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JP2535772B2 |
PURPOSE: To enhance a resolution and sensitivity and also to improve the performance of the whole of equipment including an electron gun, by a method wherein a single-crystal CaF2 window having a KCL thin film evaporated is provided in f...
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JPH08222178A |
PURPOSE: To provide a photomultiplier capable of suppressing the noises by the light generated in a glass bulb by cosmic ray or environmental γ-ray. CONSTITUTION: This photomultiplier is provided with a vacuum sealed container 11 storin...
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JP2516995B2 |
A photomultiplier tube comprising a photocathode, a plurality of mesh dynodes arranged parallel to the photocathode, an anode that is disposed in a face-to-face relationship with the photocathode in such a manner that the mesh dynodes ar...
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JPH08190889A |
PURPOSE: To prevent the dew condensation and reduce the power consumption by connecting a photoelectric surface to one end of a radiating heat conductive plate connected to the glass vessel of a photomultiplier and vacuumed in the inner ...
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JPH08175847A |
PURPOSE: To provide a method for etching an element of glass selectively and at a relatively high speed in a glass composite material comprising glass having two kinds of different compositions such as a channel plate precursor. CONSTITU...
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JPH08148113A |
PURPOSE: To largely improve energy resolution by disposing a carrier multiplication layer obtained by epitaxial growth and a breakdown voltage control layer of dopant concentration higher than the former on a semiconductor element opposi...
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JP2500209B2 |
PURPOSE: To provide a reflection type photoelectric surface and a photomultiplier both having high performance by interposing a Cr layer between an Ni electrode and an Al layer. CONSTITUTION: A Cr layer 2 is deposited with a fixed thickn...
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JPH0883561A |
PURPOSE: To enhance a secondary electron multiplication factor of a secondary electron multiplying electrode used in a photomultiplier by forming an intermediate layer mainly composed of magnesium oxide on a metallic backing board, and f...
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JPH0820307B2 |
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JPH0812772B2 |
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JPH084635Y2 |
A detector for the detection of, for example, Cerenkov radiation includes an entrance screen (5) which may cover more than half of an envelope (1); the majority of the envelope is preferably spherical. A photo-electron detecting exit scr...
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JPH088085B2 |
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JPH083985B2 |
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JPH083984B2 |
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JPH081796B2 |
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JPH07118293B2 |
PURPOSE:To prevent dielectric break down by creeping discharge between opposing surfaces in a secondary electron multiplying section by providing a bypass element consisting of a pair of opposing electrodes which are opposingly disposed ...
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JPH07118294B2 |
A photomultiplier for converting an incident weak light into multiplied electrons to thereby output an electrical signal corresponding to the intensity of the incidence light. The photomultiplier comprises a photocathode for emitting pri...
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JPH07320681A |
PURPOSE: To provide a high-sensitivity hybrid photomultiplier tube which improves an electron focusing property of a focused electron-bombarded(FEB) ion detector and brings its stable operation. CONSTITUTION: A focused electron-bombarded...
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JPH0751729Y2 |
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JPH07291651A |
PURPOSE: To obtain a soluble core glass having a high etching rate in combination thereof with a phosphate-based clad glass and adaptable thermal properties by using a glass of a specific composition. CONSTITUTION: This soluble core glas...
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JPH07280646A |
PURPOSE: To provide a luminous flux measurement device having a wide operating range at relatively low cost, and to obtain measured values in an extremely short time. CONSTITUTION: A luminous flux measurement device is provided with gain...
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JPH0795437B2 |
A photomultiplier with plural photocathodes comprising a rectangular end face plate, plural photocathodes arranged on the end face plates at predetermined intervals in the longitudinal direction of the end face plate, plural focusing ele...
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JPH07245078A |
PURPOSE: To shorten a tube length, and improve high-gain and high-speed responsiveness by providing a front stage part comprising box-type dynodes, a connection stage dynode, and a back stage part comprising inline-type dynodes. CONSTITU...
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JPH0777125B2 |
A long photomultiplier comprises a cylindrical main body having a light receiving face which extends in the longitudinal direction of the main body, a photocathode provided inside of the main body so that the photocathode extends along t...
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JPH07211280A |
PURPOSE: To obtain a position detecting type photomultiplier tube, which can reduce the unevenness of the photo detecting signal, which is output in response to the incidence position of the light, generated in response to a place of an ...
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JPH0775160B2 |
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JPH0770300B2 |
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JPH07192686A |
PURPOSE: To provide a photomultiplier with improved photoelectron collecting efficiency. CONSTITUTION: In a photomultiplier 1, upper parts 34, 35, 36 of an electrode 30 work as a focusing electrode to distribute photoelectrons to both si...
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JPH07159354A |
PURPOSE: To provide a photoelectron spectroscopic unit by which fine parts on the surface of a specimen can be analyzed. CONSTITUTION: A probe for analyzing electronic energy is provided with an electron amplifier 9 made of a high-lead g...
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JPH07161287A |
PURPOSE: To provide a photoelectron emitting surface, where an electron can be emitted at low bias voltage, and a photomultiplier with high sensitivity further with low noise remarkably reducing a dark current. CONSTITUTION: In a conditi...
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JPH07161288A |
PURPOSE: To reduce a dark current due to applying bias voltage by providing an i-type intermediate layer of high resistance between a light absorbing layer and electron emitting layer of a photoelectron emitting surface, so that a photoe...
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JPH07142024A |
PURPOSE: To adjust the sensitivity without deteriorating quantum efficiency and the linearity of a photomultiplier. CONSTITUTION: High voltage HV to be impressed between a first dynode D1 and a positive electrode is supplied from a varia...
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JPH0740482B2 |
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JPH0738301B2 |
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JPH0736316B2 |
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JPH0773847A |
PURPOSE: To provide an ion detector with a wider dynamic range and a greater band width in a shorter response time. CONSTITUTION: A focused electron impact (FEB) ion detector has a MCP 2, focusing means 12, 14 and a collector anode 20 ar...
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JPH07501399A |
A technique that corrects photodetector non-linearity without increasing the noise level in the detector signal. The detector is coupled to a preamplifier characterized by the absence of positive feedback, and the preamplifier signal is ...
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JPH06342626A |
PURPOSE: To provide a reflection type alkali-tellirium photoelectric face excellent in its radiation sensitivity and quantum efficiency. CONSTITUTION: In an alkali-tellirium photoelectric face, a thin layer of Te is deposited on a base d...
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JPH06342625A |
PURPOSE: To provide high sensitivity and improve yielding by making the deposi tion weight of thin layer of CsI, KBr or CuI formed on a base 100μg/cm2 or less. CONSTITUTION: A fully thin layer of CsI, KBr or CuI is deposited on a base a...
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JPH06314540A |
PURPOSE: To extend the life of a cathode-ray tube by constituting a photomultiplier type cold cathode electron source of a light emission element, a light emission element driving portion for driving the light emission element in respons...
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JPH0670147U |
[Purpose] Provided is a high voltage regulated power supply for optoelectronic double tubes that is efficient, can supply a stable voltage, and can be miniaturized. [Constitution] The output of the symmetric Cockcroft Walton rectifier ci...
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JPH0675387B2 |
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JPH0675388B2 |
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JPH0672931B2 |
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JPH06243819A |
PURPOSE: To prevent the mixing of electron of the neighboring channel and a deterioration of the energy resolution, by making the form of the inlet opening of a channeltron in a curved line slit form following the arc of the spherical su...
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JPH0668947B2 |
There is disclosed a process for forming a photocathode having high quantum yield which comprises the first step of making a number of fine concavities and convexities (14) in a surface (11) of a substrate (12) finished substantially in ...
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JPH06231726A |
PURPOSE: To provide a photomultiplier causing no adverse effect due to the heat applied when a glass bulb is sealed, i.e. no deterioration of the secondary electron emission efficiency dynodes. CONSTITUTION: Each of dynodes 10 in the ele...
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JPH0650617B2 |
An improved electron discharge device comprises an evacuated envelope having therein a photoemissive cathode for providing photoelectrons in response to radiation incident thereon, an electron multiplier, including a primary dynode space...
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JPH0650620B2 |
A photomultiplier tube comprises an evacuated envelope including a faceplate and a sidewall. A conductive coating is disposed annularly around an interior portion of the sidewall adjacent to the faceplate and on a longitudinally extendin...
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JPH0650618B2 |
A photomultiplier tube comprises an evacuated envelope having a photoemissive cathode, a shield cup spaced from the cathode and an electron multiplier cage assembly abutting the shield cup. The cage assembly includes a pair of transverse...
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