Matches 351 - 400 out of 532 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
5500869 Semiconductor laser array device, semiconductor laser device, and production methods therefor  
A semiconductor laser array device includes a semiconductor laser chip array including a plurality of laser chips each having a prescribed chip width mounted on a bar-shaped supporting substrate...
5489800 Dual channel small outline optocoupler package and method thereof  
A leadframe (10) architecture provides placement of multiple optocoupler pair devices (45, 50) in a minimum size footprint package. A detector flag (20) and LED flag (12) are placed on a common...
5485021 Semiconductor device with optical waveguides to achieve signal transmission using optical means  
A semiconductor device 30 is configured with a transparent insulator substrate 31 in which an optical waveguide(s) 37 is formed, a semiconductor thin film 32 is pasted on the transparent insulator...
5479029 Sub-mount type device for emitting light  
The present invention provides a sub-mount type device for emitting light which has high speed response and yet can radiate heat sufficiently. The sub-mount type device for emitting light comprises...
5466948 Monolithic silicon opto-coupler using enhanced silicon based LEDS  
A monolithic opto-coupler employing silicon-insulator technology in which at least two p-type silicon islands disposed on said insulating layer and a light emitting diode having enhanced light...
5463229 Circuit board for optical devices  
A circuit board for mounting one or more optical devices such as light receiving LSI chips and light emitting LSI chips. The circuit board has a flexible transparent substrate, a window portion...
5459336 Semiconductor photocoupler with changing capacitance  
A semiconductor photocoupler is composed of a light emitting element and a light receiving element. Wavelength of emitted light changes as a function of exciting current intensity of the light...
5452118 Optical heterodyne receiver for fiber optic communications system  
A monolithic integrated optical heterodyne receiver circuit formed on a single chip and a process of its manufacture are disclosed. The heterodyne receiver circuit essentially includes a tunable...
5448082 Light emitting diode for use as an efficient emitter or detector of light at a common wavelength and method for forming the same  
An infrared LED can function efficiently as both an emitter and a detector at a common wavelength without undesirable characteristics found in avalanche diodes. The LED comprises a graded-bandgap...
5438208 Mirror coupled monolithic laser diode and photodetector  
An optical integrated circuit includes a laser diode emitting laser light and a photodiode detecting light emitted from the laser diode on the same semiconductor substrate but not colinear and a...
5438210 Optical isolation connections using integrated circuit techniques  
Isolation circuits for optically passing signals between a plurality of electrical circuits without any electrically conductive path therebetween. The circuits utilize monolithic,...
5436472 Photointerrupter  
A photointerrupter is provided which comprises a resinous hollow holder case including an opposed pair of housing portions separated by an intermediate wall portion for accommodating a light...
5434433 Semiconductor device for a light wave  
A semiconductor substrate is utilized to integrally form a drive circuit and a pixel array to produce a transparent semiconductor device for a light valve. The semiconductor device for a light...
5428226 Relativistic semiconductor plasma wave frequency up-converter with energized portion  
A device that frequency up-shifts an impinging electromagnetic wave, facilitating signal pulse compression, consisting of a semiconductor block or waveguide containing an optically induced...
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...
5414280 Current driven voltage sensed laser drive (CDVS LDD)  
A laser control circuit in which the laser is driven by a voltage controlled, current driver. At the beginning of each scan, an outer loop senses the laser power, and compares it at an outer loop...
5406543 Optical head with semiconductor laser  
An optical head for writing and/or reading information on and/or from an optical record medium such as a magneto-optical record medium including a semiconductor substrate, a semiconductor laser...
5401983 Processes for lift-off of thin film materials or devices for fabricating three dimensional integrated circuits, optical detectors, and micromechanical devices  
Various novel lift-off and bonding processes (60, 80, 100) permit lift-off of thin film materials and devices (68), comprising In x Ga 1 -x As y P 1 -y where 0<x<1, and 0<y<1, from a...
5382811 High contrast LED matrix  
An optical semiconductor device having a substrate; a plurality of light-emitting diodes disposed in a specific arrangement on the substrate; a peripheral member for housing the substrate and the...
5371384 Solid state imaging device having a light emitting diode  
Light emitting devices are formed on a surface of a solid state imaging device and are used as illumination light sources. In a solid state imaging device for use in an electro-endoscope or the...
5362976 High frequency semiconductor device having optical guide package structure  
A semiconductor device chip includes a plurality of light emitting diodes for converting into a photo output signal an electric signal to be outputted from the semiconductor device chip, and a...
5359208 Chip package with microlens array  
A chip package for an IC chip having at least an optical-signal input or output section comprises a container-like chip carrier for carrying the IC chip, a sealing cover bonded to the chip carrier...
5357121 Optoelectronic integrated circuit  
An optoelectronic integrated circuit includes a light responsive element for converting an optical signal into an electrical signal and an electronic circuit for processing the electrical signal....
5344518 Pyroelectric IR-sensor  
A pyroelectric IR-sensor in which a pyroelectric light receiving element is mounted on a MID substrate or a ceramic substrate having a thermal conductivity less than 0.02 cal/cm.sec.°C. Both ends...
5340993 Optocoupler package wth integral voltage isolation barrier  
An optocoupler package made up from a pre-assembled package having a leadframe, a voltage isolation barrier, and a body molded from a reflective plastic material. The voltage isolation barrier is...
5335361 Integrated circuit module with devices interconnected by electromagnetic waves  
An integrated circuit module (501), with enclosed semiconductor devices (107, 115), includes a housing (101) with an electromagnetic wave reflective interior surface (103). A transmitter (105),...
5329135 Light emitting device for achieving high luminous efficiency and high saturation level of light output  
A light emitting device has an indium gallium arsenide phosphide luminescent layer between a first clad layer of n-type indium phosphide and a second clad layer of p-type indium phosphide, and a...
5323019 All optical multiple quantum well optical modulator  
A multiple quantum well optical modulator comprising a multiple quantum well structure embedded in the intrinsic region of an s-i-n+ semiconductor. The s-i-n+ structure causes an electric field to...
5321294 Shift register having optically bistable elements coupled by an optical waveguide layer  
A shift register according to the present invention includes: a plurality of first electrodes; at least one second electrode; a voltage application unit for applying a voltage to each of the...
5319218 Pulse sharpening using an optical pulse  
A photoconductive ultra-wideband impulse generating device utilizing pulse harpening techniques to further increase its radiation frequency well above the gigahertz range while also substantially...
5315672 Fiber optic chemical sensor  
A fiber optic sensor for detecting the presence or concentration of particular chemical or biological species in a zone to be monitored has light-emitting and detecting elements such as a gallium...
5304819 Light-activated semiconductor device having light-emitting elements, light-receiving elements and output elements  
The present invention relates to a light-activated semiconductor device comprising light-emitting elements for emitting light respectively, light-receiving elements for producing driving voltages...
5298735 Laser diode and photodetector circuit assembly  
A laser diode having an output facet and a back facet is placed in contact with a designated edge of a die and oriented such that said output facet is substantially parallel to said top surface of...
5298768 Leadless chip-type light emitting element  
A light emitting element having a cavity at the center of the top surface of an insulating block body. A through-hole extends downward through the block body to the bottom of the cavity. A metallic...
5296723 Low output capacitance, double-diffused field effect transistor  
A low output capacitance, double-diffused field effect transistor effectively realizes the reduction in the output capacitance, by providing a drain electrode on one surface of a first conduction...
5291038 Reflective type photointerrupter  
A reflective type photointerrupter including: a resin case formed with a light emitting chip mounting recess and a light receiving chip mounting recess; a metallic deposit wiring formed in the...
5285085 Photo-coupling device with improved light shading plate holding means  
In a photo-coupling device, a light emitting section, a light receiving section are housed in an opaque case so as to be opposed with respect to an object moving path intervening therebetween. The...
5280184 Three dimensional integrated circuits with lift-off  
Three dimensional communication within an integrated circuit occurs via electromagnetic communication between emitters and detectors situated throughout the integrated circuit. The emitters and...
5270555 Pyroelectric IR-sensor with a molded inter connection device substrate having a low thermal conductivity coefficient  
A pyroelectric IR-sensor in which a pyroelectric light receiving element is mounted on a MID substrate or a ceramic substrate having a thermal conductivity less than 0.02 cal/cmsec°C. Both...
5266794 Vertical-cavity surface emitting laser optical interconnect technology  
A three-dimensional optical interconnection is disclosed having a stack of vertically aligned optoelectronic integrated (OEIC) modules. Each OEIC module includes an array of vertical cavity surface...
5262656 Optical semiconductor transceiver with chemically resistant layers  
An opto-electronic device which monolithically integrates a laser emitter and an optical detector positioned in-line on a single waveguide, in which the laser emitter and detector operate at...
5260587 Optical semiconductor device array module with light shielding plate  
An array of optical semiconductor devices, an array of lenses and an array of optical fibers are serially arranged in light propagation direction to provide a light axis alignment. At light input...
5250816 Multichip system and method of supplying clock signal therefor  
A light emitting unit blinks based on a clock signal from a clock signal supply unit, whereby the clock signal (electric signal) is transformed into a light signal. The light signal is directed...
5239189 Integrated light emitting and light detecting device  
An integrated semiconductor device includes a pair of spaced apart regions of semiconductor material on a surface of a substrate of semiconductor material. One of the regions is a light emitting...
5233208 Photocoupler surrounded by transparent and reflective resins in a preformed pin housing  
The invention relates to a photocoupler comprising a light emitting element and a light receiving element, the light emitting element having a first and a second electrode in electrical contact...
5227646 Optical semiconductor device with laminated ceramic substrate  
In an optical semiconductor device having a light emitting element mounted on a heat sink, a first casing for supporting and covering the light emitting element and the heat sink, and a second...
5226052 Laser diode system for cutting off the environment from the laser diode  
A laser diode, which includes a substrate, a laser diode chip bonded on the substrate through a sub-mount, and a monitor element formed on the substrate, monitors laser light emitted from a rear...
5218233 LED lamp having particular lead arrangement  
The semiconductor of the present invention includes the first lead electrode having a tip portion on which a plurality of semiconductor elements are arranged, a plurality of the second lead...
5198684 Semiconductor integrated circuit device with optical transmit-receive means  
A semiconductor integrated circuit device comprising a plurality of semiconductor packaging substrates arranged parallel to one another, a plurality of semiconductor integrated circuits mounted on...
5198685 Photoelectric conversion apparatus with shock-absorbing layer  
A photoelectric conversion apparatus having a thin plate glass wear-resisting layer is formed on photoelectric conversion devices, drive circuit and signal lines. An original document is disposed...
Matches 351 - 400 out of 532 < 1 2 3 4 5 6 7 8 9 10 11 >