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| Number | Title | Issue Date |
| 7095036 | Electron beam lithography apparatus using a patterned emitter and method of fabricating the patterned emitter An electron beam lithography apparatus for providing one-to-one or x-to-one projection of a pattern includes a pyroelectric emitter, which is disposed a predetermined distance apart from a substrate holder, the pyroelectric emitter including a pyroelectric plate hav... | 08/22/2006 |
| 6121614 | Pyroelectric-type IR receiving element and IR sensor using the same A pyroelectric-type IR receiving element comprises a pyroelectric substrate which is fixed to a supporting body at its support ends and at least one rectangular patch formed in the substrate. The patch is formed on its opposite surfaces with first and sec... | 09/19/2000 |
| 5070272 | Photoconductive device and method of operating same A photoconductive device having a transparent substrate, a transparent conductive film, a photoconductive film and a layer of an insulator provided on at least part of the substrate and of high thermal conductivity, and a method of operating the photocond... | 12/03/1991 |
| 4866332 | Target of image pickup tube A target of an image pickup tube, having a transparent substrate, a transparent conductive film, a p-type photoconductive film made mainly from amorphous Se, and an n-type conductive film capable of forming a rectifying contact at the interface with the p... | 09/12/1989 |
| 4648991 | Pyroelectric crystals with high figures of merit Pyroelectric crystals having relatively high figures of merit (p/K) of the order of 1.8 or more are provided. They are preferably prepared by doping alanine substituted triglycine sulfate crystals with phosphorous and/or arsenic.... | 03/10/1987 |
| 4643689 | Picture taking tube with pyroelectric target and a process for determining the axes of least expansion of the target A picture taking tube with pyroelectric target and a process for determining the axes of least expansion of the target are provided. A connection is formed between the two electrodes of the target and the point of contact of this connection with the elect... | 02/17/1987 |
| 4495441 | Pyroelectric targets and method of manufacture A pyroelectric target made of a pyroelectric material which is anisotropic dielectrically. Electrodes are provided on two plane parallel faces. To raise the pyroelectric figure of merit, the angle between the pyroelectric axis and the normal to the planar... | 01/22/1985 |
| 4437035 | Pyroelectric target and image pick up tube provided with such a target In order to facilitate the preparation of the reticular pyroelectric target and to improve the mechanical strength thereof, it is provided to connect together the elements of the mosaic, separated by gaps, by means of junction arms small in section with r... | 03/13/1984 |
| 4435668 | Method of making rugged vidicon A rugged retina is constructed for a vidicon having a rugged electron gun d other electrodes. The retina is prepared by mounting it between two thin flexible metal or metalized rings with a high viscosity liquid electrode between one of the rings and the ... | 03/06/1984 |
| 4419604 | Light sensitive screen Disclosed is a light sensitive screen including at least a light-transmitting conductive film and a photoconductive layer, the light-transmitting conductive film being arranged on a side of incidence of light, characterized in that the photoconductive lay... | 12/06/1983 |
| 4398118 | X-Ray image intensifier In an X-ray image intensifier consisting of a scintillator screen associated with a photocathode, an electron-optical system and an output screen on which a strong visible image appears, resolution is improved by providing the scintillator screen, formed ... | 08/09/1983 |
| 4386294 | Target for a pyroelectric camera The invention relates to a technique for providing a so-called `pedestal` voltage on the rear surface of the target of a pyroelectric camera. This is a positive voltage required to ensure efficient discharge, by the electron beam, of the pyroelectric char... | 05/31/1983 |
| 4348611 | Ferroelectric or pyroelectric sensor utilizing a sodium nitrite layer A pyroelectric or ferroelectric sensing element consists of a substrate with a thin layer of sodium nitrite. Electrodes may be applied to both sides of the sodium nitrite layer, or, alternatively, only one electrode may be used. In one embodiment, an arra... | 09/07/1982 |
| 4346326 | Radiological image intensifier tube and radiological chain incorporating such a tube The invention relates to a radiological image intensifier tube with a video output. The tube has in the same vacuum envelope an image section and an analysis section having a common face occupied by target. An electrical image corresponding to the inciden... | 08/24/1982 |
| 4342941 | Thermal image exposure plate A thermal image exposure plate is disclosed having a grid pattern on one side thereof exposed to thermal radiation. The grid pattern depth is less than a thickness of the plate. High image resolution and image sensitivity results. The plate is useful in t... | 08/03/1982 |
| 4317063 | Pyroelectric detectors A reticulated pyroelectric target, for the detection of infra red radiation, comprising a plurality of closely packed islands of pyroelectric material separated by a plurality of relatively narrow grooves in which in order to physically strengthen the tar... | 02/23/1982 |
| 4251748 | Camera tube having photocathode absorptive of shorter wavelength and filter absorptive of longer wavelength light The optical cross-talk in a camera tube is reduced by the provision of a filter element which overlaps the entire target. The filter may be arranged in front of the photosensitive target and have a spectral transmission which is adapted to the spectral se... | 02/17/1981 |
| 4247352 | Method of bonding crystal layers to insulating substrates A surface of an insulating substrate, if not wettable, is made wettable, then moistened with water and brought in intimate contact with a water soluble crystal layer, whereby a strong bond between the crystal and the substrate will result.... | 01/27/1981 |
| 4246510 | Retina for pyroelectric vidicon A retina is provided for a pyroelectric vidicon which is rugged, long liv and has increased resistance to contamination by normal environments encountered during testing and subsequent installation in the vidicon tube.... | 01/20/1981 |
| 4180759 | Thermal camera tubes The invention provides a thermal camera tube having a reticulated pyroelectric target, that is to say a target having a plurality of separate pyroelectric elements arranged in rows and columns and separated by channels. Each of the separate elements has t... | 12/25/1979 |
| 4139444 | Method of reticulating a pyroelectric vidicon target A method of fabricating a pyroelectric vidicon target wherein a layer of pyroelectric material is attached to a substrate, reduced in thickness, reticulated, covered with an electron permeable support layer, removed from the substrate, and covered with a ... | 02/13/1979 |
| 4104771 | Method of manufacture and retina for pyroelectric vidicon A method of fabricating a retina and mounting it in a pyroelectric vidicon s provided wherein the pyroelectric material is polished, etched and coated with metal on one broad side and with a dielectric layer on the opposite (electron beam) side.... | 08/08/1978 |
| 4103199 | Electronic device for processing signals in three dimensions An electronic device for processing optic, infrared or electronic signals three dimensions, that is, area and time. The device features an amplification function and includes the use of melt grown oxide metal ceramic substrate material which allows high ... | 07/25/1978 |
| 4097775 | Infrared sensitive photoconductive pickup tube 1. A photoconductive target for a pickup tube comprising a layer of porous lead telluride on a transparent conductive layer, said porous lead telluride having a resistivity of approximately 10-11 ohm cm when maintained at a temperature substant... | 06/27/1978 |
| 4086511 | Millimeter imaging device An imaging device for detecting reflections of millimeter waves from a tat. The imaging device includes a composite cathode for converting an input radiation image to an electron image by field emission, a focusing lens to demagnify the image, and an amp... | 04/25/1978 |
| 4053806 | Pyroelectric detector comprising nucleating material wettable by aqueous solution of pyroelectric material A pyroelectric detector employing a substrate supporting a thin, i.e., 0.5 to 5 μm thick, solid layer of pyroelectric material with an intermediate layer of nucleating material, i.e., a material which is wettable by a solution of the pyroelectric materia... | 10/11/1977 |
| 4047070 | Pyroelectric vidicon having target heating means on accelerating anode A pyroelectric vidicon employs heating means for stabilizing the target temperature.... | 09/06/1977 |
| 4031394 | Camera device with resistive target In camera using resistive targets wherein a recording tube of which the target (100) made of a pyroelectric material in the example and read by a beam of electrons, permanently receives a flow of ions formed in the tube by the collision between the electr... | 06/21/1977 |
| 4019084 | Pyroelectric vidicon having a protective covering on the pyroelectric target In a pyroelectric vidicon, the target is covered with a layer of vacuum compatible material which has a high secondary emission coefficient, a low first cross-over and low conductivity to prevent decomposition of the target.... | 04/19/1977 |
| 4005327 | Low beam velocity retina for Schottky infrared vidicons A solid state sensing retina for infrared vidicon television camera tubes using a low voltage electron beam, consisting of a monolithic silicon wafer having an n-type substrate and two dimensional array of p-type islands, each island has a Schottky electr... | 01/25/1977 |
| 3993907 | Camera tube with a pyro-electric target A pyroelectric radiation detector which is relatively immune to the effects of microphonic vibrations includes within an evacuated envelope a triglycine sulphate (TGS) target secured by silicone grease to a thin (3-6 μM) mica support plate. The mica supp... | 11/23/1976 |
| 3986069 | Color stripe filter with two protective layers A spatial filter covered with first protective layers and a second protective layer, wherein the second protective layer is mounted on the first protective layers so as to fill up recesses appearing in the surface of said first protective layers which are... | 10/12/1976 |
| 3982068 | Novel target for an ultrasonic wave camera and devices incorporating such a target A target for ultrasonic camera comprising, applied to a substrate, a pyroelectric retina covered, in the present example, with a layer which absorbs incident ultrasonic waves; the temperature rise due to said absorption produces in the retina a charge rel... | 09/21/1976 |
| 3971932 | Apparatus for enhancing the long wavelength response of photodetectors A photodetection device includes a photosensor usefully responsive to electromagnetic energy of a first band of wavelengths. An energy conversion unit is optically coupled to the photosensor for receiving incident electromagnetic energy of different, long... | 07/27/1976 |
| 3950645 | Infrared detection tube 1. An infrared imaging device comprising, cooling means for lowering the temperature of the device, a wafer of preselected infrared sensitive material, a layer of thin infrared transparent electrically conductive material deposited on one side of said waf... | 04/13/1976 |
| 3946264 | Infra-red responsive camera tube A camera tube employs a target comprising a layer of optically transparent infra-red radiation responsive material and a layer of photoconductive material which is scanned, in conventional manner, by an electron beam. This tube combines the principles of ... | 03/23/1976 |
