Patent application number | Description | Published |
20120013962 | Two-dimensional surface normal slow-light photonic crystal waveguide optical phased array - Methods and devices for optical beam steering are disclosed including coupling a laser light into an apparatus comprising a first substrate; an array of air core photonic crystal waveguides; columnar members etched around each air core waveguide; a pair of metal electrodes around the columnar members; a trench around the pair of metal electrodes surrounding each air core photonic crystal waveguide; a second substrate coupled to the first substrate comprising electrical interconnection lines; and a holographic fanout array comprising a third substrate; a photopolymer film coated on the third substrate; a hologram written in the photopolymer film configured to couple the laser light into the third substrate; and an array of holograms recorded in the photopolymer film configured to couple a portion of the laser light into the waveguides; and passing a current through the electrodes to induce a refractive index change in the first substrate to control the phase of the portion of the laser light that passes through each waveguide. Other embodiments are described and claimed. | 01-19-2012 |
20140070082 | INTEGRATED PHOTONIC CRYSTAL STRUCTURES AND THEIR APPLICATIONS - Devices, methods and systems based on integrated photonic crystal structures are disclosed. An integrated photonic crystal structure includes a photonic crystal structure and a defect member disposed adjacent the photonic crystal structure. The defect member includes a photoconductive material. The integrated photonic crystal structure is configured to receive an input light signal such that the input light signal is internally reflected within the photonic crystal structure and the defect member, such that the input light signal is absorbed by the photoconductive material in the defect member, and such that a property of the photoconductive material is changed to thereby output an output signal. | 03-13-2014 |
20150093515 | Method Of Manufacturing Polymer Optical Waveguides And Devices Thereof - A fully additive method for forming optical waveguides and devices, such as thermo-optic polymer switches and electro-optic polymer modulators, is disclosed. A first polymer material of refractive index N1 is coated onto a suitable substrate to form a first cladding layer. The first cladding is then selectively patterned using a mold to form an impression of the waveguide core into the first cladding layer. Next, a core layer is formed by ink-jet printing onto the imprinted first cladding layer with a core material of refractive index N2 (N2>N1). The core layer is subsequently coated by ink jet printing with a second polymer material of refractive index N3 (N304-02-2015 | |
20150104562 | Method Of Manufacturing Multilayer Interconnects For Printed Electronic Systems - A fully additive method for forming multilayer electrical interconnects for printed electronic and/or optoelectronic devices is disclosed. Electrical interconnects are fabricated by directly ink-jet printing a dielectric material with selective interconnection holes, and then ink jet printing conductive patterns and filling the interconnection holes with conductive material to form multilayer interconnects. A method for manufacturing a multilayer printed electronic system utilizing the invention is also disclosed. Other embodiments are described and claimed. | 04-16-2015 |
Patent application number | Description | Published |
20120040251 | BATTERY ELECTRODE AND METHOD FOR MANUFACTURING SAME - A battery electrode with a pasting textile, fabric, or scrim made with an electrode grid (e.g., a stamped grid or expanded metal grid) coated in battery electrode and covered with pasting textile formed of a bonded, non-woven fiber web. The web is formed from one or more fibers with an average length greater than 20 μm. In various embodiments, the web is formed from one or more spun, continuous fibers. The battery electrode may be made in a continuous process where multiple grids are formed in a single sheet, coated with electrode active material, and the scrim before being cut into individual electrodes. | 02-16-2012 |
20140363742 | FIBER SCRIM, BATTERY ELECTRODE AND METHOD FOR MANUFACTURING SAME - A battery electrode with a pasting textile, fabric, or scrim made with an electrode grid (e.g., a stamped grid or expanded metal grid) coated in battery electrode and covered with pasting textile formed of a bonded, non-woven fiber web. The web is formed from one or more fibers with an average length greater than 20 μm. In various embodiments, the web is formed from one or more spun, continuous fibers. The battery electrode may be made in a continuous process where multiple grids are formed in a single sheet, coated with electrode active material and the scrim before being cut into individual electrodes. | 12-11-2014 |
Patent application number | Description | Published |
20110076847 | LASER SYSTEM FOR PROCESSING SOLAR WAFERS IN A CARRIER - An apparatus and method for processing the solar cell substrates is provided. In one embodiment, a laser firing chamber for processing solar cell substrates placed in a carrier, comprising a laser module located at a side of the carrier, the laser module being adapted to generate and direct multiple laser beams over an entire surface of a plurality of solar cell substrates, and a transport adapted to convey the carrier through an outputting region of the laser beams. | 03-31-2011 |
20140261654 | FREE-STANDING METALLIC ARTICLE FOR SEMICONDUCTORS - A free-standing metallic article, and method of making, is disclosed in which the metallic article is electroformed on an electrically conductive mandrel. The mandrel has an outer surface with a preformed pattern, wherein at least a portion of the metallic article is formed in the preformed pattern. The metallic article is separated from the electrically conductive mandrel, which forms a free-standing metallic article that may be coupled with the surface of a semiconductor material for a photovoltaic cell. | 09-18-2014 |
20140261659 | Free-Standing Metallic Article for Semiconductors - A free-standing metallic article, and method of making, is disclosed in which the metallic article is electroformed on an electrically conductive mandrel. The mandrel has an outer surface with a preformed pattern, wherein at least a portion of the metallic article is formed in the preformed pattern. The metallic article is separated from the electrically conductive mandrel, which forms a free-standing metallic article that may be coupled with the surface of a semiconductor material for a photovoltaic cell. | 09-18-2014 |
20140261661 | FREE-STANDING METALLIC ARTICLE WITH OVERPLATING - A free-standing metallic article, and method of making, is disclosed in which the metallic article is electroformed on an electrically conductive mandrel. The mandrel has an outer surface layer having a preformed pattern. The outer surface layer has a dielectric region and an exposed metal region. The metallic article has a plurality of electroformed elements that are formed on the exposed metal region of the outer surface layer of the electrically conductive mandrel. A first electroformed element has an overplated portion formed above the outer surface layer of the mandrel. The metallic article is configured to serve as an electrical conduit for a photovoltaic cell, and forms a unitary, free-standing piece when separated from the electrically conductive mandrel. | 09-18-2014 |
20140262793 | ADAPTABLE FREE-STANDING METALLIC ARTICLE FOR SEMICONDUCTORS - A free-standing metallic article, and method of making, is disclosed in which the metallic article is electroformed on an electrically conductive mandrel. The metallic article has a plurality of electroformed elements that are configured to serve as an electrical conduit for a photovoltaic cell. A first electroformed element has at least one of: a) a non-uniform width along a first length of the first element, b) a change in conduit direction along the first length of the first element, c) an expansion segment along the first length of the first element, d) a first width that is different from a second width of a second element in the plurality of electroformed elements, e) a first height that is different from a second height of the second element in the plurality of electroformed elements, and f) a top surface that is textured. | 09-18-2014 |
20160027947 | FREE-STANDING METALLIC ARTICLE FOR SEMICONDUCTORS - A free-standing metallic article, and method of making, is disclosed in which the metallic article is electroformed on an electrically conductive mandrel. The mandrel has an outer surface with a preformed pattern, wherein at least a portion of the metallic article is formed in the preformed pattern. The metallic article is separated from the electrically conductive mandrel, which forms a free-standing metallic article that may be coupled with the surface of a semiconductor material for a photovoltaic cell. | 01-28-2016 |
20160039032 | SOLDER APPLICATION METHOD AND APPARATUS - A method of applying solder includes providing a first roller and a second roller, where at least one of the first and second rollers has an outer surface comprising a solder wicking material. A metallic article is provided, the metallic article having a first side and a second side, and having an opening extending from the first side to the second side. The metallic article is dipped in solder, where the dipping forms an initial coating of solder on the metallic article. After the dipping, the metallic article is fed between the first and second rollers. The wicking material removes solder from the metallic article, such that a solder thickness of the initial coating on the metallic article is reduced after exiting the first and second rollers. | 02-11-2016 |
Patent application number | Description | Published |
20110238426 | Audio Decoder, Audio Encoder, Method for Decoding an Audio Signal, Method for Encoding an Audio Signal, Computer Program and Audio Signal - An audio decoder for providing a decoded audio information on the basis of an entropy encoded audio information includes a context-based entropy decoder configured to decode the entropy-encoded audio information in dependence on a context, which context is based on a previously-decoded audio information in a non-reset state-of-operation. The context-based entropy decoder is configured to select a mapping information, for deriving the decoded audio information from the encoded audio information, in dependence on the context. The context-based entropy decoder includes a context resetter configured to reset the context for selecting the mapping information to a default context, which default context is independent from the previously-decoded audio information, in response to a side information of the encoded audio information. | 09-29-2011 |
20120265540 | AUDIO ENCODER, AUDIO DECODER, METHOD FOR ENCODING AN AUDIO INFORMATION, METHOD FOR DECODING AN AUDIO INFORMATION AND COMPUTER PROGRAM USING A DETECTION OF A GROUP OF PREVIOUSLY-DECODED SPECTRAL VALUES - An audio decoder for providing a decoded audio information includes a arithmetic decoder for providing a plurality of decoded spectral values on the basis of an arithmetically-encoded representation of the spectral values and a frequency-domain-to-time-domain converter for providing a time-domain audio representation using the decoded spectral values. The arithmetic decoder is configured to select a mapping rule describing a mapping of a code value onto a symbol code in dependence on a context state. The arithmetic decoder is configured to determine or modify the current context state in dependence on a plurality of previously-decoded spectral values. The arithmetic decoder is configured to detect a group of a plurality of previously-decoded spectral values, which fulfill, individually or taken together, a predetermined condition regarding their magnitudes, and to determine the current context state in dependence on a result of the detection. | 10-18-2012 |
20120278086 | AUDIO ENCODER, AUDIO DECODER, METHOD FOR ENCODING AN AUDIO INFORMATION, METHOD FOR DECODING AN AUDIO INFORMATION AND COMPUTER PROGRAM USING A REGION-DEPENDENT ARITHMETIC CODING MAPPING RULE - An audio decoder for providing a decoded audio information includes an arithmetic decoder for providing a plurality of decoded spectral values on the basis of an arithmetically-encoded representation of the spectral values and a frequency-domain-to-time-domain converter for providing a time-domain audio representation using decoded spectral values. The arithmetic decoder is configured to select a mapping rule describing a mapping of a code value onto a symbol code in dependence on a context state. The arithmetic decoder is configured to determine a numeric current context value describing the current context state in dependence on a plurality of previously decoded spectral values and also in dependence on whether a spectral value to be decoded is in a first predetermined frequency region or in a second predetermined frequency region. | 11-01-2012 |
Patent application number | Description | Published |
20120330670 | AUDIO ENCODER, AUDIO DECODER, METHOD FOR ENCODING AN AUDIO INFORMATION, METHOD FOR DECODING AN AUDIO INFORMATION AND COMPUTER PROGRAM USING AN ITERATIVE INTERVAL SIZE REDUCTION - An audio decoder has an arithmetic decoder for providing decoded spectral values on the basis of an arithmetically-encoded representation and a frequency-domain-to-time-domain converter for providing a time-domain audio representation. The arithmetic decoder selects a mapping rule describing a mapping of a code value onto a symbol code in dependence on a numeric current context value describing a current context state. The arithmetic decoder determines the numeric current context value in dependence on a plurality of previously decoded spectral values. The arithmetic decoder evaluates at least one table using an iterative interval size reduction to determine whether the numeric current context value is identical to a table context value described by an entry of the table or lies within an interval described by entries of the table, and derives a mapping rule index value describing a selected mapping table. | 12-27-2012 |
20130013301 | AUDIO ENCODER, AUDIO DECODER, METHOD FOR ENCODING AND AUDIO INFORMATION, METHOD FOR DECODING AN AUDIO INFORMATION AND COMPUTER PROGRAM USING A HASH TABLE DESCRIBING BOTH SIGNIFICANT STATE VALUES AND INTERVAL BOUNDARIES - An audio decoder includes an arithmetic decoder for providing a plurality of decoded spectral values on the basis of an arithmetically encoded representation of the spectral values, and a frequency-domain-to-time-domain converter for providing a time-domain audio representation using the decoded spectral values. The arithmetic decoder selects a mapping rule describing a mapping of a code value onto a symbol code in dependence on a context state described by a numeric current context value. The arithmetic decoder determines the numeric current context value in dependence on a plurality of previously decoded spectral values. The arithmetic decoder evaluates a hash table, entries of which define both significant state values and boundaries of intervals of numeric context values, in order to select the mapping rule. A mapping rule index value is individually associated to a numeric context value being a significant state value. | 01-10-2013 |
20130013322 | AUDIO ENCODER, AUDIO DECODER, METHOD FOR ENCODING AND DECODING AN AUDIO INFORMATION, AND COMPUTER PROGRAM OBTAINING A CONTEXT SUB-REGION VALUE ON THE BASIS OF A NORM OF PREVIOUSLY DECODED SPECTRAL VALUES - An audio decoder has an arithmetic decoder for providing decoded spectral values on the basis of an arithmetically-encoded representation and a frequency-domain-to-time-domain converter for providing a time-domain audio representation. The arithmetic decoder selects a mapping rule describing a mapping of a code value onto a symbol code in dependence on a context state described by a numeric current context value which is determined in dependence on previously decoded spectral values. The arithmetic decoder obtains a plurality of context subregion values on the basis of previously decoded spectral values and derives a numeric current context value associated with one or more spectral values to be decoded in dependence on stored context subregion values. The arithmetic decoder computes the norm of a vector formed by a plurality of previously decoded spectral values in order to obtain a common context subregion value. An audio encoder uses a similar concept. | 01-10-2013 |
20130013323 | AUDIO ENCODER, AUDIO DECODER, METHOD FOR ENCODING AND AUDIO INFORMATION, METHOD FOR DECODING AN AUDIO INFORMATION AND COMPUTER PROGRAM USING A MODIFICATION OF A NUMBER REPRESENTATION OF A NUMERIC PREVIOUS CONTEXT VALUE - An audio decoder includes an arithmetic decoder for providing decoded spectral values on the basis of an arithmetically-encoded representation of the spectral values and a frequency-domain-to-time-domain converter for providing a time-domain audio representation using the decoded spectral values. The arithmetic decoder selects a mapping rule describing a mapping of a code value onto a symbol code in dependence on a context state described by a numeric current context value, and determines the numeric current context value in dependence on a plurality of previously-decoded spectral values. The arithmetic decoder modifies a number representation of a numeric previous context value, describing a context state associated with one or more previously decoded spectral values, in dependence on a context subregion value, to acquire a number representation of a numeric current context value describing a context state associated with one or more spectral values to be decoded. An audio encoder uses a similar concept. | 01-10-2013 |
20130226594 | AUDIO ENCODER, AUDIO DECODER, METHOD FOR ENCODING AND AUDIO INFORMATION, METHOD FOR DECODING AN AUDIO INFORMATION AND COMPUTER PROGRAM USING AN OPTIMIZED HASH TABLE - An audio decoder includes an arithmetic decoder for providing decoded spectral values on the basis of an arithmetically encoded representation thereof, and a frequency-domain-to-time-domain converter for providing a time-domain audio representation. The arithmetic decoder selects a mapping rule describing a mapping of a code value onto a symbol code representing a spectral value, or a most significant bit-plane thereof, in a decoded form, in dependence on a context state described by a numeric current context value. The arithmetic decoder determines the numeric current context value in dependence on a plurality of previously decoded spectral values. It evaluates a hash table, entries of which define both significant state values amongst the numeric context values and boundaries of intervals of numeric context values, in order to select the mapping rule, wherein the hash table ari_hash_m is defined as given in FIGS. | 08-29-2013 |
20140081645 | AUDIO ENCODER, AUDIO DECODER, METHOD FOR ENCODING AN AUDIO INFORMATION, METHOD FOR DECODING AN AUDIO INFORMATION AND COMPUTER PROGRAM USING A DETECTION OF A GROUP OF PREVIOUSLY-DECODED SPECTRAL VALUES - An audio decoder for providing a decoded audio information includes a arithmetic decoder for providing a plurality of decoded spectral values on the basis of an arithmetically-encoded representation of the spectral values and a frequency-domain-to-time-domain converter for providing a time-domain audio representation using the decoded spectral values. The arithmetic decoder is configured to select a mapping rule describing a mapping of a code value onto a symbol code in dependence on a context state. The arithmetic decoder is configured to determine or modify the current context state in dependence on a plurality of previously-decoded spectral values. The arithmetic decoder is configured to detect a group of a plurality of previously-decoded spectral values, which fulfill, individually or taken together, a predetermined condition regarding their magnitudes, and to determine the current context state in dependence on a result of the detection. | 03-20-2014 |
20150081312 | AUDIO ENCODER, AUDIO DECODER, METHOD FOR ENCODING AND AUDIO INFORMATION, METHOD FOR DECODING AN AUDIO INFORMATION AND COMPUTER PROGRAM USING A MODIFICATION OF A NUMBER REPRESENTATION OF A NUMERIC PREVIOUS CONTEXT VALUE - An audio decoder includes an arithmetic decoder for providing decoded spectral values on the basis of an arithmetically-encoded representation of the spectral values and a frequency-domain-to-time-domain converter for providing a time-domain audio representation using the decoded spectral values. The arithmetic decoder selects a mapping rule describing a mapping of a code value onto a symbol code in dependence on a context state described by a numeric current context value, and determines the numeric current context value in dependence on a plurality of previously-decoded spectral values. The arithmetic decoder modifies a number representation of a numeric previous context value, describing a context state associated with one or more previously decoded spectral values, in dependence on a context subregion value, to acquire a number representation of a numeric current context value describing a context state associated with one or more spectral values to be decoded. An audio encoder uses a similar concept. | 03-19-2015 |