Patent application number | Description | Published |
20130181339 | MULTI-CHIP SELF-ALIGNMENT ASSEMBLY WHICH CAN BE USED WITH FLIP-CHIP BONDING - A method and structure for mechanical self-alignment of semiconductor device features, for example multi-chip module features. Alignment of the features can be performed using mechanical alignment grooves within a layer of a first device and mechanical alignment pedestals of a second device. The alignment accuracy is limited by the patterning resolution of the semiconductor processing, which is in sub-micron scale. Flip-chip bonding can be used as the bonding process between chips to increase the alignment precision. | 07-18-2013 |
20130182728 | WAVELENGTH TUNABLE EXTERNAL CAVITY LASER - In accordance with aspects of the present disclosure, a wavelength tunable laser and a method for wavelength tuning a laser is disclosed. The wavelength tunable laser can include an active portion including a photonic integrated circuit including an optical waveguide including an optical gain section, a grating section, a phase control section and an anti-reflection coating arranged at opposite ends of the optical waveguide; a passive portion including an optical etalon and a reflective mirror arranged to provide feedback to the active portion to generate beam of laser light; and a controller arranged to control the active portion, the passive portion or both the active portion and the passive portion to generate tuning of the lasing wavelength. | 07-18-2013 |
20130182729 | WAVELENGTH LOCKER DESIGN FOR PRECISE CHANNEL LOCKING OF A WIDELY TUNABLE LASER - In accordance with aspects of the present disclosure, a method is disclosed. The method includes controlling an operational wavelength of a wavelength tunable laser by receiving radiation from the laser at first photo-detector including a first optical element having a partially reflective coating on a front surface of the first optical element; receiving at least a portion of the radiation partially reflected from the front surface of the first optical element at an etalon; receiving radiation from the etalon at a second photo-detector including a second optical element having an anti-reflection coating on a front surface of the second optical element; determining, by processor, a control signal to be applied to the laser to control the operational wavelength of the radiation based on data from the first and the second photo-detectors; and transmitting the control signal to the laser to, control the operational wavelength of the radiation. | 07-18-2013 |
20130322472 | WAVELENGTH SELECTIVE AND TUNABLE LASER DEVICE - Exemplary embodiments provide wavelength selective and tunable laser devices and a method for tuning the laser devices. An exemplary laser device, which can be operated in a single-wavelength lasing mode at a selectable and tunable lasing wavelength, includes a multi-mode laser, a feedback portion, and a wavelength tuning structure. The laser generates an optical emission having a spectrum that peaks at a plurality of discrete wavelengths. The feedback portion includes an optical etalon arranged to provide wavelength selective feedback to the laser to generate a beam of laser light at a lasing wavelength selected from the plurality of discrete wavelengths. The wavelength tuning structure provides tuning of the lasing wavelength by locally adjusting a refractive index of the channel waveguide to adjust the spectrum of the optical emission, where the wavelength tuning structure adjusts the spectrum of the optical emission to overlap a transmission spectrum of the etalon at the lasing wavelength. | 12-05-2013 |
Patent application number | Description | Published |
20140143628 | Low Density Parity Check Decoder With Flexible Saturation - Embodiments of the present inventions are related to systems and methods for decoding data in an LDPC decoder with flexible saturation levels for variable node probability values. | 05-22-2014 |
20140168811 | Irregular Low Density Parity Check Decoder With Low Syndrome Error Handling - A data processing system is disclosed including a data decoder circuit, an error handling circuit and a syndrome checker circuit. The data decoder circuit is operable to apply a data decode algorithm to a decoder input to yield a decoded output, and to calculate a syndrome indicating an error level for the decoded output. The error handling circuit is operable to determine whether any errors in the decoded output involve user data bits. The syndrome checker circuit is operable to trigger the error handling circuit based at least in part on the syndrome. | 06-19-2014 |
20140173385 | Low Density Parity Check Decoder With Dynamic Scaling - A data processing system is disclosed including a low density parity check decoder with a variable node processor, a check node processor and a scaler circuit. The low density parity check decoder is operable to scale soft information with a scaling factor in the scaler circuit while iteratively generating and processing check node to variable node messages in the variable node processor and variable node to check node messages in the check node processor between a plurality of check nodes and variable nodes. The scaling factor is derived from a distribution of possible values in an input to the low density parity check decoder. | 06-19-2014 |
20140281787 | Min-Sum Based Hybrid Non-Binary Low Density Parity Check Decoder - Systems, methods, devices, circuits for a min-sum based hybrid non-binary low density parity check decoder. | 09-18-2014 |
20140281790 | Systems and Methods for Multi-Stage Encoding Of Concatenated Low Density Parity Check Codes - Systems, methods, devices, circuits for data processing, and more particularly to systems and methods for multi-stage encoding for concatenated low density parity check codes. | 09-18-2014 |
Patent application number | Description | Published |
20090283735 | CARBON NANO-FILM REVERSIBLE RESISTANCE-SWITCHABLE ELEMENTS AND METHODS OF FORMING THE SAME - Methods of forming a microelectronic structure are provided, the microelectronic structure including a first conductor, a discontinuous film of metal nanoparticles disposed on a surface above the first conductor, a carbon nano-film formed atop the surface and the discontinuous film of metal nanoparticles, and a second conductor disposed above the carbon nano-film. Numerous additional aspects are provided. | 11-19-2009 |
20100284156 | VERTICALLY-STACKED ELECTRONIC DEVICES HAVING CONDUCTIVE CARBON FILMS - Vertically-stacked electronic devices having conductive carbon films are disclosed. The vertically-stacked devices exhibit non-linear current-versus-voltage response over a voltage sweep range in various embodiments. The vertically-stacked devices may be assembled into arrays where the vertically-stacked devices may be electrically addressed independently of one another. Uses of the vertically-stacked electronic devices and arrays as two-terminal memory devices, logic units, and sensors are disclosed. Crossbar arrays of vertically-stacked electronic devices having conductive carbon films and nanowire electrodes are disclosed. | 11-11-2010 |
20110133151 | MEMORY CELL THAT INCLUDES A CARBON-BASED MEMORY ELEMENT AND METHODS OF FORMING THE SAME - A method of forming a reversible resistance-switching metal-insulator-metal structure is provided, the method including forming a first non-metallic conducting layer, forming a non-conducting layer above the first non-metallic conducting layer, forming a second non-metallic conducting layer above the non-conducting layer, etching the first non-metallic conducting layer, non-conducting layer and second non-metallic conducting layer to form a pillar, and disposing a carbon material layer about a sidewall of the pillar. Other aspects are also provided. | 06-09-2011 |
20110210306 | MEMORY CELL THAT INCLUDES A CARBON-BASED MEMORY ELEMENT AND METHODS OF FORMING THE SAME - A method of forming a reversible resistance-switching metal-carbon-metal (“MCM”) device is provided, the device including a first conducting layer, a second conducting layer, and a reversible resistance-switching element disposed between the first and second conducting layers, wherein the reversible resistance-switching element includes thermal CVD graphitic material and includes a highly resistive region that favors crack formation. Other aspects are also provided. | 09-01-2011 |
Patent application number | Description | Published |
20110025727 | MICROSTRUCTURES FOR LIGHT GUIDE ILLUMINATION - Various embodiments disclose an illumination apparatus. The apparatus may comprise a light guide supporting propagation of light and having at least a portion of one of its edges comprising an array of microstructures. These microstructures may be incorporated in the input window of the light guide to control the light intensity distributed within the light guide. In certain embodiments, the directional intensity of the light entering the light guide may be modified to achieve a desired distribution across the light guide. | 02-03-2011 |
20120106200 | MANIFOLD FOR COLLIMATING LIGHT - The present disclosure provides systems, methods and apparatus to collimate light. In one aspect, a manifold to collimate light can be used to illuminate a display or project an image. The manifold can be formed of optically transmissive material and can have a backside for receiving light from a light source and a front wall, opposite the backside, for outputting collimated light. The front wall can include a plurality of lens. The upper and bottom walls of the manifold can extend along a curve from the backside to the front wall. The manifold can be hollowed, with an internal cavity that opens to the backside. The manifold can be configured to collimate light propagating in directions extending out of a plane, while light propagating from the light source in directions within the plane is not collimated or is less collimated. | 05-03-2012 |
20130319504 | METHOD OF MANUFACTURING A PHOTOVOLTAIC POWER GENERATING WINDOW - This disclosure provides systems, methods and apparatus including a light collector having a plurality of micro-lens and a plurality of multi-cone light redirecting structure that is optically coupled to one or more photovoltaic cells. In one aspect, the plurality of micro-lens is provided in an organic glass panel that is attached to an inorganic glass substrate. The inorganic glass substrate includes a material that is substantially opaque to radiation in the ultraviolet spectral range. During use, the light collector is disposed such that the inorganic glass substrate is exposed to the exterior to prevent a portion of the ultraviolet radiation incident on the light collector from being transmitted to the organic glass panel. | 12-05-2013 |
20130319505 | PHOTOVOLTAIC POWER GENERATING WINDOW - This disclosure provides systems, methods and apparatus including a light collector having a plurality of micro-lens and a plurality of multi-cone light redirecting structure that is optically coupled to one or more photovoltaic cells. In one aspect, the light collector includes a micro-lens array having a plurality of micro-lens that focus incident light onto a light guide including a plurality of multi-cone light redirecting structure. Each of the plurality of multi-cone light redirecting structure is configured to divert the focused light towards one or more photovoltaic cells disposed along the edge of the light guide. Each multi-cone light redirecting structure includes a central cone shaped structure surrounded by several secondary cone-shaped structures. | 12-05-2013 |
20150098243 | ILLUMINATION DEVICE WITH SPACED-APART DIFFRACTIVE MEDIA - This disclosure provides systems, methods and apparatus for an illumination system. In one aspect, the illumination system is a light guide that includes spaced-apart regions of medium containing diffractive features. For example, the medium may include holographic medium having holograms that are configured to redirect light, propagating through the light guide, out of the light guide. The spaces between the spaced-apart regions of media may be filled with a material having a lower refractive index than the light guide, thereby functioning as a reflective cladding in those spaces. | 04-09-2015 |
Patent application number | Description | Published |
20090059215 | Systems and Method for Simultaneously Inspecting a Specimen with Two Distinct Channels - A system is provided herein for inspecting a specimen. In one embodiment, the system may include a dual-channel microscope, two illuminators, each coupled for illuminating a different channel of the dual-channel microscope and two detectors, each coupled to a different channel of the dual-channel microscope for acquiring images of the specimen. Means are provided for separating the channels of the dual-channel microscope, so that the two detectors can acquire the images of the specimen at substantially the same time. In one embodiment, the channels of the dual-channel microscope may be spectrally separated by configuring the two illuminators, so that they produce light in two substantially non-overlapping spectral ranges. In another embodiment, the channels of the dual-channel microscope may be spatially separated by positioning the two detectors, so that the illumination light do not overlap and the fields of view of the two detectors do not overlap within a field of view of an objective lens included within the system. | 03-05-2009 |
20120327288 | IMAGING METHOD AND SYSTEM WITH ANGLE-DISCRIMINATION LAYER - This disclosure provides systems, methods and apparatus for an imaging system that includes a light guide having light-turning features that are configured to receive ambient light incident on the light guide, including light scattered from a scene to be imaged, and to direct the received ambient light towards an image sensor. The light-turning features may have angle-discriminating properties so that some light-turning features capture light incident upon the light guide at certain angles of incidence, but not others. Light scattered from multiple parts of a scene to be imaged may then be directed to correlated locations on an image sensor, which provides electronic data representing an image. | 12-27-2012 |