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6847025 |
Semiconductor image position sensitive device
In order to reduce errors in sensing an image position derived from noise light such as background noise, a semiconductor image position sensing device is provided with a photoelectric layer...
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6838652 |
Active cell with analog storage for a CMOS technology photosensitive sensor
An active cell for a photosensitive sensor that includes photosensitive diode in which the transistors of the cell are implemented using CMOS technology. The cell operates with an exposure phase in...
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6833540 |
System for measuring a biological parameter by means of photoacoustic interaction
A system for measuring a biological parameter, such as blood glucose, the system comprising the steps of directing laser pulses from a light guide into a body part consisting of soft tissue, such...
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6831265 |
Photodetector having improved photoresponsitivity over a broad wavelength region
A photodetector includes an optical absorption layer having a thickness d optimized with regard to a voltage applied across the optical absorption layer such that there occurs an increase of...
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6828539 |
Detection signal correction method and device as well as solid-state detector for use therewith
In the state where X-rays are not projected, image signals S 1 are read out from a detector 1 , and the values of these image signals S 1 are stored as offset correction values in a correction...
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6828541 |
Light receiving element array having isolated pin photodiodes
A light-receiving element array is provided in which the degradation of characteristic thereof due to the crosstalk may be prevented. An n-InP layer, an i-InGaAs layer, and an n-InP layer are...
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6828545 |
Hybrid microelectronic array structure having electrically isolated supported islands, and its fabrication
A hybrid microelectronic array structure is fabricated from a readout integrated circuit array of microelectronic integrated circuits and a supported array of supported islands. The supported...
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6825542 |
High speed waveguide photodetector
The present invention relates to a semiconductor photodetector. The photodetector is a waveguide photodetector, which comprises: a waveguide ( 1,2,3 ) having a III-V ridge structure including an...
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6825455 |
Method and apparatus for photomixing
A method and corresponding device for determining the phase- and/or amplitude data of an electromagnetic wave. In order to bring about the spatial depth resolution of the image data obtained, the...
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6822215 |
Optoelectronic sensor including a transparent optode material
An optoelectronic sensor, which is based on optodes and with which, thanks to optode material that has been rendered reflective, virtually any angle for injecting the light into the optode material...
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6818880 |
Enhanced photo-EMF sensor with high bandwidth and large field of view
A photo-EMF sensor and a method of making same has a substrate with a semiconducting layer; a plurality of sensing regions in the layer, each sensing region including (i) a pair of electrodes...
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6809309 |
CMOS image sensor
A CMOS image sensor is disclosed in which a charge storage gate is formed at one side of a photodiode region to increase charge capacity for each cell, thereby improving characteristics of a...
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6809308 |
Photodetector and photodetecting system capable of detecting information about the two-dimensional intensity distribution and wavelength distribution of incident light
A photodetector which has the function of measuring the intensity distribution of light with a simple and inexpensive construction and which has a selectivity for a measured wavelength band. The...
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6806454 |
Image sensors with via-coupled photoconductive mediums
Image sensors are provided that reduce conflicts between different sensor functions because sensor structures do not demand access to the same internal spaces. Accordingly, sensor structures can be...
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6803553 |
Image sensor with charge recycling
An image sensor having a circuit to recover photo-generated charge and to apply it to reduce consumption of power from a power supply (e.g., an external battery). In one embodiment (e.g., FIG. 4),...
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6800838 |
Image sensor having reduced stress color filters and method of making
A method of forming a base for a color filter layer of an image sensor is disclosed. The image sensor includes an array of pixels formed in a substrate. The method comprises depositing a polymer...
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6800836 |
Image pickup device, radiation image pickup device and image processing system
An image pickup device has a plurality of photoelectric converter substrates carrying respective input/output terminals connected to the photoelectric converters. The device comprises leads...
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6797938 |
Polarimetric optical device with an insulating layer between detectors
This optical polarimetric detector comprises: a first active detector element having a photoconductor ( 1 ) with which a first diffraction grating ( 3 ) is associated allowing incident light from...
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6797934 |
Optical transient sensor having a charge/discharge circuit
An optical transient sensor circuit includes a photodiode in series with a MOS feedback transistor connected across a voltage difference. An inverting amplifier having its input connected to the...
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6797935 |
Method of charging the photodiode element in active pixel arrays
A forward biased diode 40 is used to charge up a photodiode 26 rather than an NMOS transistor. This photodiode charging mechanism increases the dynamic range and optical response of active...
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6794631 |
Three-terminal avalanche photodiode
An avalanche photodiode (APD) includes an absorption layer above the multiplication layer, where the thickness of the multiplication layer is defined through a growth process. The APD can also have...
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6794630 |
Method and apparatus for adjusting the threshold of a CMOS radiation-measuring circuit
A radiation measuring technique includes adjusting a threshold level of a radiation sensor in a radiation-measuring circuit and obtaining an output signal based on radiation dose sensed by the...
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6791073 |
Optical receiver having baffle including a plurality of apertures
A baffle containing a plurality of small apertures is mounted on the receiver aperture of an optical receiver, such as a wireless optical telecommunication system receiver. The baffle attenuates...
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6791152 |
Photodetector device and method for manufacturing the same
A photodetector device includes a doped semiconductor substrate. A first intrinsic semiconductor material layer, a main reflector, a second intrinsic semiconductor material layer, an upper...
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6791732 |
Systems and methods for altering the propagation of optical signals within optical media
Optical modulators are provided. A representative optical modulator includes an optical medium that is adapted to propagate optical signals. An array of lattice sites are arranged in the optical...
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6787757 |
Apparatus and methods for generating an electronic signal responsive to selected light
Disclosed are apparatus and methods for generating an electronic signal responsive to selected wavelengths of the optical spectrum. An optical thickness differential between two or more...
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6781109 |
Active matrix substrate having transparent connecting terminals
An active-matrix substrate is provided with electrode wires disposed in a lattice form, a plurality of switching elements disposed respectively at intersections of the electrode wires, and...
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6777665 |
High frequency optical signal sampling device
An apparatus for converting an input optical signal to an electrical signal. The input optical signal is characterized by a modulation frequency and a modulation wavelength. The apparatus includes...
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6777659 |
Device and method for detecting the phase and amplitude of electromagnetic waves
The presented invention concerns an apparatus for detecting the phase and amplitude of electromagnetic waves, comprising at least two modulations photogates which are sensitive to the...
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6774420 |
Image sensor
An image sensor with improved productivity and sensitivity is provided. The image sensor includes a plurality of unit pixels, each unit pixel including an oxide film formed upon a semiconductor...
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6770861 |
Image-sensing device
In an image-sensing device, a temperature-corrected image signal obtained from a sensor 1 is converted into a digital signal by an A/D converter circuit 2 . The image signal thus converted into...
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6768093 |
Solid state imaging device and driving method thereof
Disclosed is a solid state imaging device, comprising a unit pixel 101 including a photo diode 111 and a MOS transistor 112 for optical signal detection provided with a high-density buried...
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6768094 |
Photo-voltaic trigger system
A trigger system including a photosensor having a polarizing light filter n positioned in a light receiving end of a housing. A lens is disposed in the housing for focusing light onto a transducer....
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6765190 |
Multi-element electron-transfer optical detector system
A multi-element optical detector system includes an electrically resistive screen that is substantially transparent to radiation energy having a wavelength of interest. A plurality of electron...
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6762473 |
Ultra thin back-illuminated photodiode array structures and fabrication methods
Ultra thin back-illuminated photodiode array structures and fabrication methods. The photodiode arrays are back illuminated photodiode arrays having a substrate of a first conductivity type having...
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6759645 |
Hybrid thin-film photoelectric transducer and transparent laminate for the transducer
A hybrid-type thin film photoelectric converter includes a transparent electrode ( 12 ), at least one amorphous photoelectric conversion unit ( 20 ), at least one crystalline photoelectric...
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6756578 |
Photocell bias circuit
Receiver circuits are provided for detecting a target light source. The circuits include a photocell arranged to detect light impinging thereupon, and a biasing circuit that maintains a constant...
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6750490 |
Pinned floating photoreceptor with active pixel sensor
A pinned photodiode is operated without a transfer gate. This is done by forming a pinned photodiode which has a selective connection to the substrate. When the connection is turned on, the...
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6750438 |
Single-element electron-transfer optical detector system
An optical detector system includes an electrically resistive screen that is substantially transparent to radiation energy having a wavelength of interest. An electron transfer element (e.g., a low...
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6740807 |
Light-receiving device and image sensor
A differential response light-receiving device comprising: a semiconductor electrode comprising an electrically conductive layer and a photosensitive layer containing a semiconductor sensitized by...
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6740861 |
Photodetector and method having a conductive layer with etch susceptibility different from that of the semiconductor substrate
A photodetector includes semiconductor conductive layer, light-absorbing layer and wide bandgap layer, which are stacked in this order on a semi-insulating semiconductor substrate. The conductive...
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6740860 |
Photodetector, photosensing position detector, coordinate input device, coordinate input/output apparatus, and photodetection method
A photodetector includes a photoreceiving unit which receives a light beam that blinks a plurality of times per detection period and coverts the received light beam into an output signal. A signal...
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6737626 |
Image sensors with underlying and lateral insulator structures
An integrated image sensor having a conditioned top silicon oxide layer and/or one or more additional insulating layers/structures to reduce optical and/or electrical noise. The image sensor has an...
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6730899 |
Reduced dark current for CMOS image sensors
A CMOS image sensor comprises a substrate of a first conductivity type, a photodetector for capturing incident light and converting it to a charge; a transfer gate for passing the charge from the...
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6726103 |
Imaging system with built-in diagnostics
An imaging system with built-in diagnostics and preferably implemented as an integrated system-on-a-chip (SOC) imaging system. According to one implementation of the present invention, the imaging...
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6727486 |
CMOS image sensor having a chopper-type comparator to perform analog correlated double sampling
A CMOS image sensor performing an analog correlated double sampling is disclosed. The CMOS image sensor may include an image capture device for capturing an image for analog image signal from an...
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6713748 |
Image detection device
An image detection device includes a pixel portion (OEF) having a photoelectric conversion film for converting incident light into a signal charge and a pixel capacitor for accumulating the signal...
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6706479 |
Bio-chip, photoluminescent methods for identifying biological material, and apparatuses for use with such methods and bio-chips
A method detects binding of molecules, advantageously without tagging molecules in the sample. A sensor is used in which is included a single stranded nucleic acid sequence and a photoluminescent...
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6703598 |
Semiconductor photo-detecting apparatus
A semiconductor photodetecting apparatus 1 comprises a base 2 and a CCD chip 4 . The CCD chip 4 is secured to the base 2 when a resin 8 is supplied and cured. The base 2 is formed with...
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6693268 |
Auto feedback and photo attenuation structure of vertical cavity surface emitting laser
An auto feedback and photo attenuation structure of a vertical cavity surface emitting laser (VCSEL) includes a VCSEL combined with a monitor photodetector (MPD). The thickness of the absorbing...
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