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JP4256212B2 |
Since a peripheral part of the sapphire plate 2 is airtightly thermally crimped to an end face (window peripheral part) of a kovar metal tube 1A surrounding a light entering window via a seal ring 7 made of aluminum, a lattice defect is ...
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JP4252247B2 |
An image sensor, includes: a plurality of pixel circuits, each of which comprises a photoelectric conversion element, a first transistor controlled by a detection signal generated by the photoelectric conversion element, and a second tra...
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JP4237308B2 |
A metal side tube (2), a glass faceplate (3), and a stem plate () constitute a hermetically sealed vessel (5) for a photomultiplier tube. An edge portion (20) is provided at on open end (A) of the side tube (2). The edge portion (2) is e...
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JP4229500B2 |
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JP4221716B2 |
An optical logic device performs a logic operation on a plurality of input light signals. The optical logic device has a photoelectric conversion portion, in which photoreceivers for receiving input light signals are provided in parallel...
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JP4220543B2 |
A liquid lens, according to the electrowetting principle, is used in an imaging system to affect the optical axis of the imaging system. In particular, a seal compartment having a first side and an opposing second side is used to dispose...
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JP4200849B2 |
An emitter (32) which emits visible light when exposed to infrared light is located at a position reached by infrared radiation from the light source (31) of an infrared projector (3), so that a user can visually check whether the projec...
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JP4185980B2 |
A porous electroconductive material having light transmitting property which comprises a porous glass and, formed on the outer surface thereof and also on the surface inside fine pores thereof, an electroconductive oxide film; and a meth...
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JP4178995B2 |
The present invention provides a light-receiving module that realized a reliable wire bonding from a light-receiving device to a die-capacitor on which the light-receiving device is mounted with adhesive. The light-receiving module of th...
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JP4168979B2 |
An optical sensor circuit has a first optical sensor that outputs a signal according to the amount of received light on an opened light-receiving surface, a second optical sensor that is provided near the first optical sensor and outputs...
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JP4166990B2 |
A transmission type photocathode includes a light absorption layer 1 formed of diamond or a material containing diamond as a main component, a supporting frame 21 for reinforcing the mechanical strength of the light absorption layer 1, a...
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JP4144535B2 |
The levels of the power supply and the ground are kept constant against a parasitic resistance by keeping the constant current of an amplifier irrespective of the size of a pixel signal and the gain of the amplifier in this case in an im...
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JP4131934B2 |
A high-purity InSb single crystal not artificially doped with impurities is used as a radiation detecting medium. In order to obtain diode characteristics, a Au.Pd alloy is used to form a surface barrier layer. At 4.2 K, the device resis...
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JP4128654B2 |
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JP4119021B2 |
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JP4113824B2 |
An amplifier circuit amplifies the difference between an output voltage from a current voltage conversion circuit and a bias voltage. The current voltage conversion circuit converts a photocurrent of a photodiode which detect incoming li...
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JP2008135350A |
To prevent the occurrence of abnormal diffusion of a p-type impurity regarding a semiconductor photocathode.The semiconductor photocathode is equipped with first and second group III-V compound semiconductor layers to which the p-type im...
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JP4098852B2 |
An electron tube 10 mainly includes a sleeve 12, an input plate 14 having a photocathode surface 18, a stem 16 and a CCD 20. A vacuum is provided in an interior of the electron tube 10. The CCD 20 is fixed onto the stem such that a rear ...
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JP4092570B2 |
An electro-optical element (100) of the invention includes a light-emitting part (140) and a light-receiving part (120) having an optical surface (108) and being formed on the light-receiving part (120). The element (100) emits light at ...
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JP4077111B2 |
A control circuit is used in an apparatus such as a printer in order to detect status and conditions of the apparatus. The control circuit includes a main control board and a plurality of sensor boards. The sensor boards are connected in...
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JP4067988B2 |
A photoreceptor is provided with an erroneous operation detection circuit for monitoring an output signal supplied from a slew rate variable output stage. The erroneous operation detection circuit performs such controls that a slew rate ...
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JP4058633B2 |
A surface light emitting (SLE) element (100) according to the present invention comprises: a light emitting part (140), provided on a semiconductor substrate (101) and emitting light perpendicular to the semiconductor substrate (101); a ...
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JP4040789B2 |
A liquid scintillation counter 10 serving as an optical measurement apparatus includes: an HPD 24, a charge amplifier 26, a voltage amplifier 28, a comparator 30, a counter 32, a multi-channel analyzer 34, a display 38, and the like. The...
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JP4040455B2 |
When a current mirror circuit is composed of transistors that inevitably form a parasitic photodiode between an epitaxial layer and a substrate layer because of structure of an integrated circuit, a photocurrent increases in proportional...
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JP4033781B2 |
According to the optical object discriminating apparatus, light emitted from a light-emitting device is collimated by a collimator lens, concentrated by an object lens and applied to an object to be detected moving in a prescribed direct...
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JP2008500663A |
One embodiment disclosed pertains to an optical positioning apparatus configured to be resistant to speckle fading. The apparatus includes at least a coherent light source and a detector. The coherent light source is configured to illumi...
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JP2008500667A |
One embodiment relates to an optical displacement sensor for sensing relative movement between a data input device and a surface (304) by determining displacement of optical features in a succession of frames. The sensor includes an illu...
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JP4031557B2 |
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JP2007534138A |
An electrons' emission device is presented. The device comprises an electrodes' arrangement including at least one Cathode electrode and at least one Anode electrode, the Cathode and Anode electrodes being arranged in a spaced-apart rela...
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JP2007532907A |
A surveillance system can include a first sensor apparatus configured to interrogate a subject, including a person and objects carried by the person, with millimeter-wave electromagnetic radiation for imaging the subject. A supplemental ...
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JP2007531310A |
An optocoupler package is disclosed. The optocoupler package includes a substrate comprising a leadframe and a molding compound, and a plurality of optocouplers, each optocoupler including (i) an optical emitter, (ii) an optical receiver...
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JP4002167B2 |
The invention relates to a photocathode having a structure that permits a decrease in the radiant sensitivity at low temperatures is suppressed so that the S/N ratio is improved. In the photocathode, a light absorbing layer is formed on ...
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JP3973687B2 |
A transferred-electron photocathode or other opto-electronic device having one light-receiving side and one electronic side, in which multiple photocathodes are processed concurrently on a wafer for front and back side contacts and anti-...
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JP3957304B2 |
To provide the temperature compensating device for the APD optical receiver which is able to perform a linear compensation through a data look-up for compensating a decrease of a gain that corresponds to a temperature change of the APD. ...
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JP3954067B2 |
To provide mirror angle measuring equipment of a holographic digital data system for performing servo control by measuring an error of an angle of a mirror making reference light incident on a storing medium (recording medium) during reg...
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JP3954478B2 |
To provide a semiconductor photocathode with high sensitivity in an infrared region and to provide a photoelectric tube using it. A semiconductor photocathode 1 has a p+ type semiconductor substrate 2 made of GaSb and a p- type light abs...
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JP3919332B2 |
To provide a photomultiplier tube and a spectrometer having a high- precision spectro-characteristic. This photomultiplier tube 1 is constituted by firmly fixing a filter member 20 additionally to a light receiving face plate 3, rather t...
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JP2007080799A |
To provide a photo cathode, composed of a compound semiconductor, in which a wide dynamic range is realized and a gate operation at high speed is made possible, as well as an electron tube.The photo cathode 10 which can be applied for th...
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JP3899197B2 |
To obtain a sufficient linearity characteristics and a sufficient angle characteristic dependent on COSθ, and to aim cost reduction. This photoelectric tube has such a formation that a photoelectric surface is arranged adjacently to a l...
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JP3892422B2 |
To provide a wavelength measuring instrument, a light-receiving unit and a wavelength measuring method for capable of easily realizing high precision wavelength characteristics, in a desired wavelength range. A temperature control means,...
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JP3886228B2 |
To provide a method for simultaneously forming activation layers onto the photoelectron emitting surfaces of plural of photocathodes. A substantially spatially uniform activator gas flow is diffused toward a plurality of photocathodes 10...
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JP3878747B2 |
To provide a semiconductor photoelectric cathode capable of increasing quantum efficiency. A buffer layer 2 of a compound semiconductor containing Al in GaN is intervened in a substrate 1, in order to form a semiconductor light absorbing...
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JP2007026785A |
To provide a photoelectric face having high characteristics, a photoelectron multiplier provided with it, an X-ray generator, an ultraviolet ray image tube, and an X-ray image intensifier.This photo electric face is that in which a mixed...
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JP2007501391A |
A nanostructured optical device includes a metal film or a plurality of metal islands having an array of a plurality of openings having a width that is less than at least one first predetermined wavelength of incident radiation to be pro...
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JP3872419B2 |
To provide a photo cathode allowing a photo cathode plate to be surely held to a light transmission member with high workability. In this photo cathode 1, claw parts 16 of a holding member 7 fixed to the light transmission plate 3 is pre...
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JP2007005307A |
To improve a device for detecting ions in the flight tube of a time-of-flight mass spectrometer.This device is composed of: the flight tube 26 having a main axis 27; and a controllable electrode 30 having at least one state to deflect th...
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JP3854723B2 |
To prevent noise from being included in the output of a photoelectric tube by shielding the effects due to external electric field. This photoelectric tube 2 has a light-receiving part 12 on its one end surface, is provided with an photo...
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JP3854722B2 |
To provide a photoelectric tube capable of dimming the light incident on photoelectric surface. This photoelectric tube 2 has a light-receiving surface 12 on its one end surface and is provided with a negative electrode 20 and a positive...
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JP3847889B2 |
To obtain a photoelectric converter with high sensitivity and less noise by isolating a reference potential of a photoelectric conversion section from a reference potential of a control section in terms of AC. A plurality of photoelectri...
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JP2006302843A |
To provide a photoelectric surface with high quantum efficiency, and to provide an electron tube provided with it.In the photoelectric surface 10, a buffer layer 14, a first GaN layer 16 and a second GaN layer 18 are formed on a substrat...
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