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| Number | Title | Issue Date |
| 7414316 | Methods and apparatus for thermal isolation in vertically-integrated semiconductor devices A semiconductor structure (100) includes a first substrate (110) having a first semiconductor device (112) formed therein, a second substrate (120) having a second device (122) formed therein and vertically-integrated above the fir... | 08/19/2008 |
| 7339971 | Optical element and optical module An optical element comprising: a surface-emitting type semiconductor laser having an emission surface; and a photodetector element formed above the emission surface of the surface-emitting type semiconductor laser, wherein the photodetector element includes a semico... | 03/04/2008 |
| 6633030 | Surface mountable optocoupler package An optocoupler package is disclosed. The optocoupler package comprises a carrier substrate and a plurality of conductive regions on the carrier substrate. An optoelectronic device, an optically transmissive medium, and a plurality of conductive structures... | 10/14/2003 |
| 6503778 | Thin film device and method of manufacturing the same A first device unit is formed by adhering a backside support substrate to a backside of a first device layer. A second device unit is formed by adhering a surface support substrate to a surface of a second device layer. A thin film device comprising the f... | 01/07/2003 |
| 6025610 | Solid relay and method of producing the same A solid relay having a light emitter and a photodetector and a method of producing the same are disclosed. A planer thyristor, photodiode, phototransistor or similar photodetector is formed on an Si substrate or wafer. The surface of the photodetector is ... | 02/15/2000 |
| 5953145 | Multiple light path arrangement The present invention relates to an arrangement for a multiple light path, which may be used for a wireless optical audio and/or video communication system. Known systems use a direct wireless infrared connection. It has been found that such a connection ... | 09/14/1999 |
| 5903016 | Monolithic linear optocoupler A monolithic optocoupler having a light emitting diode for emitting light, a first photodiode for producing a current based on light sensed by it, a second photodiode for producing a current based on light sensed by it and an insulator for electrically is... | 05/11/1999 |
| 5887013 | Light emitting apparatus A light emitting apparatus having a surface emitting laser including a substrate, a first reflection layer, an active layer and a second reflection layer stacked successively on the substrate, first and second electrodes formed respectively on the lower s... | 03/23/1999 |
| 5838174 | Photocoupler having element isolation layers for low cross-talk low stress and high break down voltage To prevent leakage of light from a waveguide path to an isolation film in a photocoupler, isolation films are formed so that end portions thereof face a substrate, and a photodiode and phototransistor are formed on islands surrounded by these isolation fi... | 11/17/1998 |
| 5796883 | Optical integrated circuit and method for fabricating the same A semiconductor waveguide layer is provided in an optical semiconductor integrated circuit device comprising a passive region having at least a branch and an active region having at least a laser diode connected to the branch and at least a photo-diode co... | 08/18/1998 |
| 5753928 | Monolithic optical emitter-detector Optical feedback control in an optical emitter-detector combination can be improved by fabricating the two devices on a single substrate. The feedback radiation can then travel within a monolithic structure. This arrangement will yield greater uniformity ... | 05/19/1998 |
| 5705833 | Surface-mounted photocoupler A light-emitting element 22 and a light-receiving element 26 are attached to a circuit board so as to oppose each other across the circuit board 2. As a result, light from the light-emitting element 22 arrives at the light-receiving element 26 via the sub... | 01/06/1998 |
| 5671437 | Quantum dot-tunnel device and information processing apparatus and method using same A novel quantum dot-tunnel device having a revolutionarily faster processing speed and higher processing precision than conventional computer computation, which device has an array consisting of a large number of quantum dots which confine electrons three... | 09/23/1997 |
| 5663580 | Optically triggered semiconductor device A semiconductor device comprises a semiconductor layer of SiC having an active area through which the device is adapted to be triggered by light incident thereon and means for generating and emitting light with an energy exceeding the bandgap, being the e... | 09/02/1997 |
| 5654559 | Optical coupling device and method for manufacturing the same An optical coupling device and method for manufacturing the same is disclosed wherein a light-emitting semiconductor transmitter chip is secured to a light-detecting semiconductor receiver chip via a transparent insulating layer, a structured spacer layer... | 08/05/1997 |
| 5644156 | Porous silicon photo-device capable of photoelectric conversion A semiconductor device includes a porous silicon layer with an impurity concentration of 1×1019 to 1×1021 cm-3, in which a plurality of pores are formed, and a thermal oxide film 0.01 to 10 μm thick formed on the expand... | 07/01/1997 |
| 5629534 | Semiconductor device There is provided a monolithic photocoupler which is easy to integrate. An SOI structure is formed by providing a first insulation layer on a silicon substrate. The semiconductor single crystal region is further divided by trench insulation layers into se... | 05/13/1997 |
| 5629533 | Optical sensor and method An optical sensor (10,30) uses a polymer light emitting diode (12, 31, 41, 51) to emit light detected by a polymer photodetector (13, 36, 46, 56). The polymer light emitting diode (12, 31, 41, 51) containing an indicator that reacts with an analyte and al... | 05/13/1997 |
| 5614131 | Method of making an optoelectronic device An optoelectronic device is fabricated by casting a transparent polymeric body surrounding an electronic component. A reflective layer is formed over the polymeric body. The reflective layer acts as a mirror to reflect light emitted by one electronic comp... | 03/25/1997 |
| 5613140 | Quantum dot-tunnel device which can be selectively excited by a first light emitting source and the information thus stored can be read with a second light emitting source A novel quantum dot-tunnel device having a revolutionarily faster processing speed and higher processing precision than conventional computer computation, which device has an array consisting of a large number of quantum dots which confine electrons three... | 03/18/1997 |
| 5610412 | Semiconductor light emitting device with depletion layer A semiconductor device having superior light output efficiency is disclosed. A p-Si diffusion layer is formed on a Si substrate and an n-Si diffusion layer is formed in the p-Si diffusion layer. An n-GaAs layer constituting an active region for emitting l... | 03/11/1997 |
| 5583072 | Method of manufacturing a monolithic linear optocoupler A method of making a monolithic structure for an optocoupler that provides improved linearity. The method includes forming an output signal photodiode and a feedback control signal photodiode on a single chip with an LED. The photodiodes are configured an... | 12/10/1996 |
| 5581094 | Photodetector, a photodector array comprising photodetectors, an object detector comprising the photodetecter array and an object detecting procedure A photodetector has a semiconductor substrate which produces light-induced charge upon the absorption of incident light. A first electrode and a second electrode are attached to the surface of the semiconductor substrate so as to form metal-semiconductor ... | 12/03/1996 |
| 5576537 | Photoelectric position measuring system using gratings having specified dimensions to suppress harmonics A light source which emits light in strips is provided for illuminating a scale of a photoelectric position measuring system. The light modulated by the scale is converted into a sinusoidal scanning signal by a scanning plate. The scanning plate is a semi... | 11/19/1996 |
| 5574744 | Optical coupler A substrate having a first surface and a second surface, the first surface having a vertical cavity surface emitting laser disposed therein and second surface having a photodetector integrated disposed therein, wherein the vertical cavity surface emitting... | 11/12/1996 |
| 5567955 | Method for infrared thermal imaging using integrated gasa quantum well mid-infrared detector and near-infrared light emitter and SI charge coupled device A far infrared (FIR) to near infrared (NIR) light converter is comprised of a quantum well intersubband photodetector (QWIP) integrated vertically with a light emitting diode (LED).... | 10/22/1996 |
| 5546489 | Optical link apparatus In an optical link apparatus of the present invention, a hybrid IC which is a main amplifier of a receiver circuit, and a hybrid IC which is a transmitter circuit are mounted on an island of a lead frame. An OEIC in which electronic devices and a light re... | 08/13/1996 |
| 5521402 | Semiconductor optical functional element of loading resistor integrated type In a semiconductor optical functional element of a loading resistor integrated type, at least one loading resistor is integrated with the optical functional element. The optical functional element has a structure in which a phototransistor and a light emi... | 05/28/1996 |
| 5514875 | Linear bidirectional optocoupler Bidirectional isolated interfaces using optical couplers offer a compact and cost-effective alternative to traditional line transformers. The devices can be configured to provide half-duplex or full-duplex communication.... | 05/07/1996 |
| 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 emitting efficiency is formed on one of said islands. The enha... | 11/14/1995 |
| 5459081 | Process for transferring a device to a substrate by viewing a registration pattern In a device fabrication method, there are prepared a first substrate having registration patterns formed thereon and a second substrate having through bores formed therein and devices formed thereon through a separation layer. The two substrates are overl... | 10/17/1995 |
| 5448077 | Monolithic optical emitter-detector having a control amplifier with a feedback signal Optical feedback control in an optical emitter-detector combination can be improved by fabricating the two devices on a single substrate. The feedback radiation can then travel within a monolithic structure. This arrangement will yield greater uniformity ... | 09/05/1995 |
| 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, silicon-on-insulator and integrated circuit techniques.... | 08/01/1995 |
| 5418870 | Coaxial coupler with integrated source/ring detector The invention features an optical two-way transmission-receiver communications system utilizing a coaxial coupler having a ring waveguide and a core waveguide. A surface of an integrated source/ring detector substrate is positioned adjacent said coaxial c... | 05/23/1995 |
| 5374588 | Process for fabricating a compound semiconductor device A compound semiconductor device and a process for manufacturing it is disclosed. The process comprises the steps of forming a first conduction type first clad layer, a first conduction type or second conduction type activated layer, a second conduction ty... | 12/20/1994 |
| 5319182 | Integrated solid state light emitting and detecting array and apparatus employing said array There is provided an integrated semiconductor source-detector matrix in which solid state photonic diodes are configured as LEDs, disposed on a substrate and coupled to electronic circuits so that the diodes can be individually driven to emit light or to ... | 06/07/1994 |
| 5291057 | Rectangular shaped laser diode and symmetrically inverted triangular shaped emitting and receiving photodiodes on the same substrate A compound semiconductor device and a process for manufacturing it is disclosed. The process comprises the steps of forming a first conduction type first clad layer, a first conduction type or second conduction type activated layer, a second conduction ty... | 03/01/1994 |
| 5285078 | Light emitting element with employment of porous silicon and optical device utilizing light emitting element A carrier injection type light emitting element with employment of a pn junction established between porous silicon and a semiconductor having a conductivity type different from that of the porous silicon, and also optical devices such as an opto-optical ... | 02/08/1994 |
| 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 different wavelengths. Such an opto-electronic device may find p... | 11/16/1993 |
| 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 device and the other region is a light detector device. Each... | 08/24/1993 |
