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5562781 |
Amorphous, hydrogenated carbon (a-C:H) photovoltaic cell
A photovoltaic cell comprising a plurality of film layers, at least one of the layers being a semiconductor film of amorphous, hydrogenated carbon. The preferred embodiment comprises a plurality of...
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5559358 |
Opto-electro-mechanical device or filter, process for making, and sensors made therefrom
The present invention relates to microstructures fabricated from semiconductor material and having a flexible member which is excited into various modes of resonance and in which such resonance is...
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5559628 |
Light pulse generator
The light pulse generator includes a source for generating a light beam, an electroabsorbent modulator for modulating the light beam into light pulses, and means for applying voltage control to the...
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5557167 |
Transmission mode photocathode sensitive to ultravoilet light
A photocathode which is responsive to ultraviolet light to release photoelectrons includes a supportive window layer of sapphire and a single-crystal active layer of AlGaN. Interposed between the...
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5536333 |
Process for making photovoltaic devices and resultant product
A process and apparatus (70) for making a large area photovoltaic device (22) that is capable of generating low cost electrical power. The apparatus (70) for performing the process includes an...
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5528071 |
P-I-N photodiode with transparent conductor n+layer
The elimination of the spatial variation in the frequency response of large area p-i-n photodiodes is disclosed using indium tin oxide (ITO) n + material as a transparent contact overlayer. The...
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5527397 |
Photoelectric conversion device
The present photoelectric conversion device includes a photo-receiving surface generating electron-hole pairs due to a distortion of an energy band thereof after receiving light, and two contacts...
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5507881 |
Thin-film solar cell and method of manufacturing same
Solar cells are formed of (a) a transparent substrate; (b) a transparent electrode; (c) a first doped layer comprising amorphous silicon oxide, optionally including nitrogen, said first doped layer...
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5508829 |
LTG AlGaAs non-linear optical material and devices fabricated therefrom
A light responsive device (10) has a body (12) that includes a matrix comprised of Group III-V material, the matrix having inclusions (14) comprised of a Group V material contained therein. The...
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5483095 |
Optical semiconductor device
An optical semiconductor device including one of a light responsive semiconductor element, a light emitting semiconductor element, and a light responsive and light emitting semiconductor element,...
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5468988 |
Large area, through-hole, parallel-connected photovoltaic device
A large area photovoltaic device includes a plurality of photovoltaic regions electrically interconnected in parallel. The regions are defined by through hole connections which establish electrical...
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5461280 |
Field emission device employing photon-enhanced electron emission
A cold cathode field emission device employs photon energy and electric field induced electron emission enhancement to provide subthreshold photoelectric emission; and, alternatively,...
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5456764 |
Solar cell and a method for the manufacture thereof
Solar cell made using a heterojunction formed from a crystalline silicon layer of a first conductivity type and a hydrogenated amorphous silicon film of a second conductivity type different from...
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5455430 |
Photovoltaic device having a semiconductor grade silicon layer formed on a metallurgical grade substrate
The disclosure relates to a semiconductor device comprising silicon having a substrate composed of low grade silicon, a silicon layer whose silicon purity is higher than that of the low grade...
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5453638 |
Bonding and encapsulated three dimensional hybrid integrated circuit modules
System for packaging integrated circuits, especially sensors, in a housing, which also comprises multicontact bondings, especially hybrid ICs for three-dimensional arrangement of modules, wherein...
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5449413 |
UV/IR reflecting solar cell cover
A new solar cell cover comprises a substrate that transmits the spectral region to which the solar cell responds and a multilayer infrared-reflecting coating which incorporates means for...
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5446310 |
Integrated circuit power device with external disabling of defective devices and method of fabricating same
An integrated circuit power device includes many cell blocks which are electrically connected in parallel, with each of the cell blocks including at least one cell such as MOSFET, electrically...
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5428225 |
Coupled quantum well optical intensity modulator for INP based optoelectronic integrated circuits and methods therefor
An integrated optical intensity modulator. The modulator is an optical waveguide on a semi-insulating substrate and having a core layer for transmitting an optical signal. The modulator includes...
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5424573 |
Semiconductor package having optical interconnection access
A semiconductor package includes a semiconductor chip, an interconnection substrate having the semiconductor chip mounted on one surface of the interconnection substrate, and a package base having...
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5422498 |
Apparatus for diagnosing interconnections of semiconductor integrated circuits
The invention provides an apparatus for diagnosing a void within a conductive material for interconnections of semiconductor integrated circuits. A laser beam irradiating section is provided for...
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5412229 |
Semiconductor light detecting device making use of a photodiode chip
A semiconductor light detecting device in which a housing with an optical fiber is inserted in is secured to a header with a photodiode chip mounted on integral therewith, and a light detecting...
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5394004 |
Multicolored electric field light emitting device with protruded electrode
A semiconductor device and a method of making the same capable of simplifying the process of making and reducing the cost of making. In the method a first layer is formed which has a plurality of...
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5384480 |
Clear-mold solid-state imaging device using a charge coupled device
A clear-mold solid-state imaging device using a charge coupled device, in which a solid-state imaging device is molded with a transparent resin. The solid-state imaging device includes a surface...
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5373172 |
Semiconducting diamond light-emitting element
A semiconducting diamond electroluminescence element comprises an electrically conductive substrate, a semiconducting diamond layer formed on the substrate, an insulating diamond layer formed on...
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5364710 |
Apparatus for converting light energy into electric energy and storing the same
An apparatus for converting light energy into electric energy and storing the same, which comprises a photoelectric conversion unit having an element that generates an electromotive force by...
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5352919 |
Optical integrated semiconductor device
An optical integrated semiconductor device includes a semiconductor substrate, a diffraction grating formed on the semiconductor substrate, an optical waveguide layer deposited on the semiconductor...
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5349209 |
Diamond/organic LED
A light emitting diode including a carrier injection layer of semiconductor material, such as diamond, and a light emitting layer of electroluminescent organic material, such as PPV, positioned to...
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5342451 |
Semiconductor optical power receiver
A gallium-arsenide optical power receiver of the type having a pn junction formed over a substrate and buffer layer has a window layer of a first alloy of aluminum gallium arsenide (Al x Ga 1 -x...
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5340408 |
Inverse delta-doping for improved open circuit voltage of solar cells or photo diodes
A solar cell or photo diode has an n-type semiconductor layer and a p-type semiconductor layer which form a pn-junction at the metallurgical interface of the layers. A thin sheet of undoped...
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5332918 |
Ultra-high-speed photoconductive devices using semi-insulating layers
An ultra-high-speed photoconductive device is described which comprises a homoepitaxial semi-insulating III-V layer, or body, upon which ohmic/conductive contacts, or strips, separated by a small...
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5332911 |
Semiconductor component with adiabatic transport in edge channels
A semiconductor radiation detector with layer-wise construction and a contive region having a two-dimensional or quasi one-dimensional electron or hole gas is provided in which adiabatic transport...
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5329139 |
Semiconductor integrated circuit device analyzable by using laser beam inducing current
A semiconductor integrated circuit device is subjected to a non-contact and non-destructive analysis using a laser beam after fabrication process, and impurity regions are previously formed in an...
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5321290 |
Thermal imaging devices
A thermal imaging device having both serial and parallel content is provided by a number of infra-red radiation detector strips supported side by side on an insulating substrate, each strip having...
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5311221 |
Electromagnetic wave modulator equipped with coupled quantal wells, and application to an electromagnetic wave detector
A semi-conducting structure delimits two quantal wells (CP1, CP2) connected across a barrier layer (CB). The application of an electric field to the structure makes possible the transfer of...
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5306912 |
Optically addressed thermal imaging device
A thermal imaging device includes detector pixels A, B, C provided by a pyroelectric layer 1 arranged between electrode structures 3 and 4. A photoconductive layer 7 is provided between the...
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5304539 |
Method for fabricating integrated microelectronic assembly comprising photoconductor with oxide superconducting leads
A beam (e.g. a focused laser beam) is utilized to irradiate the entire lateral width of a limited-extent portion of an elongated superconducting thin-film lead. The irradiated portion is converted...
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5299057 |
Monolithically integrated optical amplifier and photodetector tap
A semiconductor optical amplifier with a high speed photodetector acting as an optical tap is disclosed. The device functions simultaneously as an in-line optical amplifier and as a high-speed...
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5293037 |
Opto-electronic converter with electron mirrors and quantum wire
An opto-electronic converter comprises a mesoscopic resonant cavity constituted by a quantum wire made of a material that is a conductor or a semiconductor and situated between two electron mirrors...
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5289286 |
Solid state sensor having logarithmic photovoltaic response, with pixel uniformity correction and white balance circuitry therefor
A solid-state image sensing apparatus includes a solid state image sensing device having a characteristic that an output voltage thereof natural-logarithmically varies in accordance with light...
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5283688 |
Optical amplifier having a semiconductor with a short switching time
The amplifier according to the invention comprises a shallow, narrow well (P1) in which amplification takes place and a deep, wide well (P2) for collecting the carriers at the end of excitation,...
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5283691 |
Solid state imaging apparatus
A solid state imaging apparatus characterized in that a phase low pass filter is formed by providing an array of recesses and projections having a predetermined repeated pitch on the surface of the...
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5279678 |
Photovoltaic cell with thin CS layer
An improved photovoltaic panel and method of forming a photovoltaic panel are disclosed for producing a high efficiency CdS/CdTe photovoltaic cell. The photovoltaic panel of the present invention...
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5261013 |
Photoelectric converter and image reading apparatus mounting the same
A photoelectric converter includes a transparent substrate having a photoelectric converting element provided on a surface opposing a document relating to reading of image information, a...
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5260822 |
Tapered semiconductor laser gain structure with cavity spoiling grooves
A semiconductor laser gain structure having a tapered gain region comprising cavity spoilers for receiving light which is reflected off of the output facet back into the semiconductor and removing...
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5252719 |
Process for preparing protein-oriented membrane
A process for producing a protein-oriented membrane which is enhanced physically and chemically by orienting protein and cross linking the oriented protein together, is described. The proteinaceous...
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5239172 |
Light converging filter and method for manufacturing the same
In a color filter or a monochromatic filter (4) to be used by bonding to imaging sensor (1), at least two resin layers (A) and (B) adjacent to each other on transparent substrate and having...
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5239598 |
Electro-optic waveguide device
An electro-optic waveguide device (10) comprises an assembly of waveguides (30) connected to a common light input region (41) and forming a common far field diffraction pattern (44). The device...
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5239188 |
Gallium nitride base semiconductor device
Disclosed are a gallium nitride type semiconductor device that has a single crystal of (Ga l -x Al x ) l -y In y N, which suppresses the occurrence of crystal defects and thus has very high...
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5229622 |
Integrated semiconductor optoelectronic switch
An integrated semiconductor device which forms an optoelectronic switch and includes: a directional coupler structure in which one of the guides receives the input light power and the other guide...
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RE34309 |
Image sensor device having plural photoelectric converting elements
An image sensor device provided with a linear array of photoelectric converting elements each having a capacitor on a control electrode area of a semiconductor transistor is disclosed. The image...
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