Patent application number | Description | Published |
20080226224 | OPTICAL JUNCTION APPARATUS AND METHODS EMPLOYING OPTICAL POWER TRANSVERSE-TRANSFER - An optical apparatus comprises an optical device formed on a device substrate, a first optical waveguide formed on the substrate or on the optical device, and a second, mechanically discrete optical waveguide assembled with the device substrate, optical device, or first optical waveguide. The first optical waveguide is arranged for transferring an optical signal between the optical device and the first optical waveguide. The first and second optical waveguides are arranged, when the second optical waveguide is assembled with the device substrate, optical device, or first optical waveguide, for transferring the optical signal therebetween via optical transverse coupling. | 09-18-2008 |
20080232756 | MULTIPLE-CORE PLANAR OPTICAL WAVEGUIDES AND METHODS OF FABRICATION AND USE THEREOF - A multiple-core optical waveguide comprises: a substrate; lower and upper waveguide core layers; a waveguide core between the upper and lower waveguide core layers; upper and lower cladding; and middle cladding between the upper and lower waveguide core layers substantially surrounding the waveguide core. Each of the lower, middle, and upper claddings has a refractive index less than refractive indices of the lower waveguide core layer, the upper waveguide core layer, and the waveguide core. Along at least a given portion of the optical waveguide, the upper and lower waveguide core layers extend bilaterally substantially beyond the lateral extent of a propagating optical mode supported by the optical waveguide, the lateral extent of the supported optical mode being determined at least in part by the width of the waveguide core along the given portion of the optical waveguide. | 09-25-2008 |
20090052841 | Laser and photodetector coupled by planar waveguides - An optical apparatus comprises: a waveguide substrate; three planar optical waveguides formed on the substrate, each comprising a transmission core and cladding; a laser positioned to launch its optical output to propagate along the first waveguide; a photodetector positioned to receive an optical signal propagating along the second waveguide; and a branched splitter core formed on the substrate for (i) transferring a first fraction of laser optical output propagating along the first waveguide to the second waveguide, and (ii) transferring a second fraction of the laser optical output propagating along the first waveguide to the third waveguide. | 02-26-2009 |
20100024192 | OPTICAL JUNCTION APPARATUS AND METHODS EMPLOYING OPTICAL POWER TRANSVERSE-TRANSFER - A method comprises: forming an optical device on a device substrate; forming a first optical waveguide on the device or device substrate; forming a second, structurally discrete optical waveguide on a structurally discrete waveguide substrate; and assembling the optical device, first waveguide, or device substrate with the second waveguide or waveguide substrate. The device and first waveguide are arranged for transferring an optical signal between the device and the first waveguide. Upon assembly the first and second waveguides are positioned between the device and waveguide substrates and are relatively positioned for transferring the optical signal therebetween via optical transverse coupling. The first or second optical waveguide is arranged for transferring the optical signal therebetween via substantially adiabatic optical transverse coupling with the first and second waveguides so positioned. | 02-04-2010 |
20100092144 | MULTIPLE-CORE PLANAR OPTICAL WAVEGUIDES AND METHODS OF FABRICATION AND USE THEREOF - A multiple-core optical waveguide comprises: a substrate; lower and upper waveguide core layers; a waveguide core between the upper and lower waveguide core layers; upper and lower cladding; and middle cladding between the upper and lower waveguide core layers substantially surrounding the waveguide core. Each of the lower, middle, and upper claddings has a refractive index less than refractive indices of the lower waveguide core layer, the upper waveguide core layer, and the waveguide core. Along at least a given portion of the optical waveguide, the upper and lower waveguide core layers extend bilaterally substantially beyond the lateral extent of a propagating optical mode supported by the optical waveguide, the lateral extent of the supported optical mode being determined at least in part by the width of the waveguide core along the given portion of the optical waveguide. | 04-15-2010 |
20100272395 | LASER AND PHOTODETECTOR COUPLED BY PLANAR WAVEGUIDES - An optical apparatus comprises: a waveguide substrate; three planar optical waveguides formed on the substrate, each comprising a transmission core and cladding; a laser positioned to launch its optical output to propagate along the first waveguide; a photodetector positioned to receive an optical signal propagating along the second waveguide; and a lateral splitter core formed on the substrate for (i) transferring a first fraction of laser optical output propagating along the first waveguide to the second waveguide, and (ii) transferring a second fraction of the laser optical output propagating along the first waveguide to the third waveguide. | 10-28-2010 |
20100314027 | OPTICAL JUNCTION APPARATUS AND METHODS EMPLOYING OPTICAL POWER TRANSVERSE-TRANSFER - A method comprises: (i) forming a first optical waveguide on a first substrate; (ii) forming a second, structurally discrete optical waveguide on a structurally discrete second substrate; (iii) assembling the second substrate or second optical waveguide with the first substrate or first optical waveguide so that the first and second optical waveguides are positioned between the first and second substrates and are relatively positioned for transferring the optical signal therebetween via optical transverse coupling; and (iv) arranging the first or second optical waveguide for transferring the optical signal therebetween via substantially adiabatic optical transverse coupling with the first and second waveguides so positioned. | 12-16-2010 |
Patent application number | Description | Published |
20100142881 | OPTICAL LINK CIRCUIT AND METHOD OF MAKING SAME - A circuit includes a flexible circuit having an optical waveguide embedded therein, a first device attached to the flexible circuit and configured to convert a first electrical signal to an optical signal, the first device positioned to emit the optical signal to an input end of the optical waveguide, and a second device attached to the flexible circuit and configured to convert the optical signal into a second electrical signal, the second device positioned to receive the optical signal from an output end of the optical waveguide. | 06-10-2010 |
20100156629 | MEMS DEVICES AND REMOTE SENSING SYSTEMS UTILIZING THE SAME - A remote sensing system comprises a micro-electromechanical sensor (MEMS) device comprising a sensing element, an exciting element to resonate the sensing element at resonant frequency from a remote location by transmitting signals comprising any of acoustic signals, optical signals, radio frequency signals, or magnetic induction signals, and a reader circuitry to read an original frequency of the sensing element from a remote location for determining a condition to which the MEMS device is exposed using signals comprising any of acoustic signals, optical signals, radio frequency signals, or magnetic induction signals. | 06-24-2010 |
20100189444 | OPTICAL MEMS DEVICE AND REMOTE SENSING SYSTEM UTILIZING THE SAME - A remote sensing system comprises a micro-electromechanical sensor (MEMS) device comprising an optical energy absorbing sensing element that resonates by thermal expansion induced by absorption of optical signals, a remotely located optical source for transmitting driving optical signals to induce resonation in the sensing element, and a remotely located reader circuitry to read an original frequency of the sensing element using reader optical signals for determining a condition to which the MEMS device is exposed. | 07-29-2010 |
20100242628 | HIGH TEMPERATURE OPTICAL PRESSURE SENSOR AND METHOD OF FABRICATION OF THE SAME - A high-temperature pressure sensor is provided. The sensor includes a quartz substrate with a cavity etched on one side. A reflective coating is deposited on at least a portion of the cavity. The sensor further includes a ferrule section coupled to the quartz substrate with the cavity therebetween. The cavity exists in a vacuum, and cavity gap is formed between the reflective metal coating and a surface of the ferrule. The sensor also includes an optical fiber enclosed by the ferrule section and extending from the cavity gap to an opposing end of the ferrule section and a metal casing surrounding the ferrule section and the quartz substrate with an opening for said optical fiber extending therefrom. The pressure applied to the quartz substrate changes the dimensions of the cavity gap and a reflected signal from the reflective coating is processed as a pressure. | 09-30-2010 |
20100245840 | SELF-CALIBRATED INTERROGATION SYSTEM FOR OPTICAL SENSORS - An optical pressure sensor interrogation system is provided. The system includes a light source for providing an optical signal to an optical pressure sensor and an optical coupler for receiving a reflected signal from the optical pressure sensor. The optical coupler splits the reflected signal and provides a first portion of the reflected signal to a first optical detector. The system further includes a filter for receiving a second portion of the reflected signal and providing a filtered signal to a second optical detector and a processing circuitry configured to obtain pressure based on a division or a subtraction of light intensities of the first and the second optical detector output signals. The processing circuitry is further configured to provide a feedback signal to the light source to control a wavelength of the optical signal | 09-30-2010 |
20110241648 | DEVICES AND METHODS FOR ELECTRIC FIELD SENSING - A stand-off sensor assembly is provided. The sensor assembly includes a plurality of electron state definers for generating resonant tunneling current in response to the electric field, wherein the electron state definers include at least one variable characteristic such that a change in the variable characteristic affects the tunneling current, and a monitor for monitoring a change in the tunneling current exiting an electron state definer based on a change in the variable characteristic of the tunneling device. | 10-06-2011 |
20110315220 | PHOTOVOLTAIC CELL AND METHODS FOR FORMING A BACK CONTACT FOR A PHOTOVOLTAIC CELL - Methods are provided for forming a back contact for a photovoltaic cell that includes at least one semiconductor layer. One method includes depositing at least one back contact material on a metal contact. The back contact material comprises a metal nitride or a metal phosphide. The method further includes depositing an absorber layer comprising cadmium and tellurium above the back contact material and thermally processing the back contact material, such that the back contact material interacts with the absorber layer to form an interlayer that lowers a contact resistance for the photovoltaic cell. A photovoltaic cell is also provided and includes comprising a metal contact, at least one back contact material disposed on the metal contact, and an absorber layer comprising a material comprising cadmium and tellurium disposed above the back contact material. An interlayer is disposed between the back contact material and the absorber layer and comprises a compositionally graded layer of the back contact material and the absorber layer material. The photovoltaic cell further includes a window layer disposed above the absorber layer. | 12-29-2011 |
20120164785 | METHOD OF MAKING A TRANSPARENT CONDUCTIVE OXIDE LAYER AND A PHOTOVOLTAIC DEVICE - In one aspect of the present invention, a method is provided. The method includes disposing a substantially amorphous cadmium tin oxide layer on a support; and thermally processing the substantially amorphous cadmium tin oxide layer in an atmosphere substantially free of cadmium from an external source to form a transparent layer, wherein the transparent layer has an electrical resistivity less than about 2×10 | 06-28-2012 |
20120249281 | INDUCTOR AND EDDY CURRENT SENSOR INCLUDING AN INDUCTOR - An inductor and an eddy current sensor including an inductor are disclosed. The inductor includes a patterned metal layer arranged on an insulating substrate. The inductor is capable of sensing eddy current within a high temperature region. | 10-04-2012 |
20130109124 | METHODS OF MAKING A TRANSPARENT LAYER AND A PHOTOVOLTAIC DEVICE | 05-02-2013 |
20130165786 | SYSTEMS AND METHODS FOR OPTICAL POWER AND DATA TRANSMISSION IN ULTRASOUND IMAGING - An ultrasound system includes an optical conduit adapted to transmit an optical signal between a first end of the optical conduit and a second end of the optical conduit. The ultrasound system also includes a console coupled to the first end of the optical conduit and having an optical power source adapted to generate the optical signal. Further, the ultrasound system includes an ultrasound probe coupled to the second end of the optical conduit and having power conversion circuitry adapted to receive the optical signal and to convert the optical signal into electrical power. | 06-27-2013 |
Patent application number | Description | Published |
20090152507 | PROCESSES FOR MAKING TITANIUM PRODUCTION ANODES - The present invention relates to processes for making anodes suitable for use in the production of titanium metals. The processes use a kneaded mixture of TiO | 06-18-2009 |
20090261306 | NON-LEAD RESISTOR COMPOSITION - A non-lead composition for use as a thick-film resistor paste in electronic applications. The composition comprises particles of Li | 10-22-2009 |
20090261941 | SURFACE-MODIFIED RUTHENIUM OXIDE CONDUCTIVE MATERIAL, LEAD-FREE GLASS(ES), THICK FILM RESISTOR PASTE(S), AND DEVICES MADE THEREFROM - The invention relates to a surface-modified RuO | 10-22-2009 |
20100040531 | NON-LEAD RESISTOR COMPOSITION - A non-lead composition for use as a thick-film resistor paste in electronic applications. The composition comprises particles of Li | 02-18-2010 |
20110126897 | COMPOSITION FOR EXTRUDING FIBERS - The present invention relates a composition which is useful in printing by extruding a metalized fiber on a substrate. Zinc oxide is incorporated in combination with glass frit into a composition to etch the substrate and a binder polymer is used to allow extrusion of narrow fibers which also may have adequate height to provide sufficient electrical conduction. The present invention is also a process to extrude a pattern of the composition. The present invention is further directed to a solar cell formed from such composition and the process. | 06-02-2011 |
20110227003 | NON-LEAD RESISTOR COMPOSITION - A non-lead composition for use as a thick-film resistor paste in electronic applications. The composition comprises particles of Li | 09-22-2011 |
20110232746 | THICK-FILM PASTES CONTAINING LEAD-TELLURIUM-BORON-OXIDES, AND THEIR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The present invention provides a thick-film paste for printing the front side of a solar cell device having one or more insulating layers. The thick-film paste comprises an electrically conductive metal and a lead-tellurium-boron-oxide dispersed in an organic medium. | 09-29-2011 |
20110308595 | THICK-FILM PASTES CONTAINING LEAD- AND TELLURIUM-OXIDES, AND THEIR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The present invention provides a thick-film paste for printing the front-side of a solar cell device having one or more insulating layers. The thick-film paste comprises an electrically conductive metal, and a lead-tellurium-oxide dispersed in an organic medium. | 12-22-2011 |
20110308596 | THICK-FILM PASTES CONTAINING LEAD-TELLURIUM-LITHIUM-TITANIUM-OXIDES, AND THEIR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The present invention provides a thick-film paste for printing the front side of a solar cell device having one or more insulating layers. The thick-film paste comprises an electrically conductive metal, and a lead-tellurium-lithium-titanium-oxide dispersed in an organic medium. | 12-22-2011 |
20110308597 | THICK-FILM PASTES CONTAINING LEAD-TELLURIUM-LITHIUM- OXIDES, AND THEIR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The present invention provides a thick-film paste for printing the front side of a solar cell device having one or more insulating layers. The thick-film paste comprises an electrically conductive metal, and a lead-tellurium-lithium-oxide dispersed in an organic medium. | 12-22-2011 |
20120313198 | CONDUCTIVE PASTE COMPOSITION CONTAINING LITHIUM, AND ARTICLES MADE THEREFROM - A lead-free paste composition contains an electrically conductive silver powder, one or more glass frits or fluxes, and a lithium compound dispersed in an organic medium. The paste is useful in forming an electrical contact on the front side of a solar cell device having an insulating layer. The lithium compound aids in establishing a low-resistance electrical contact between the front-side metallization and underlying semiconductor substrate during firing. | 12-13-2012 |
20130000714 | CONDUCTIVE PASTE COMPOSITION CONTAINING LITHIUM, AND ARTICLES MADE THEREFROM - A paste composition contains an electrically conductive silver powder, one or more glass frits or fluxes, and a lithium compound dispersed in an organic medium. The paste is useful in forming an electrical contact on the front side of a solar cell device having an insulating layer. The lithium compound aids in establishing a low-resistance electrical contact between the front-side metallization and underlying semiconductor substrate during firing. | 01-03-2013 |
20130043440 | CONDUCTIVE COMPOSITIONS CONTAINING Li2RuO3 AND ION-EXCHANGED Li2RuO3 AND THEIR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The present invention is directed to an electrically conductive composition comprising (i) an electrically conductive metal, (ii) a component selected from the group consisting of Li | 02-21-2013 |
20130068290 | CONDUCTIVE PASTE COMPOSITION AND SEMICONDUCTOR DEVICES MADE THEREFROM - A conductive paste composition contains a source of an electrically conductive metal, a lead-tellurium-based oxide, a discrete oxide of an adhesion promoting element, and an organic vehicle. An article such as a high-efficiency photovoltaic cell is formed by a process of deposition of the paste composition on a semiconductor substrate (e.g., by screen printing) and firing the paste to remove the organic vehicle and sinter the metal and lead-tellurium-based oxide. | 03-21-2013 |
20130161573 | LEAD-FREE CONDUCTIVE PASTE COMPOSITION AND SEMICONDUCTOR DEVICES MADE THEREWITH - A lead-free conductive paste composition contains a source of an electrically conductive metal, a fusible material, an optional additive, and an organic vehicle. An article such as a high-efficiency photovoltaic cell is formed by a process of deposition of the lead-free paste composition on a semiconductor substrate (e.g., by screen printing) and firing the paste to remove the organic vehicle and sinter the metal and fusible material. | 06-27-2013 |
20130255767 | THICK-FILM PASTES CONTAINING LEAD- AND TELLURIUM-OXIDES, AND THEIR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The present invention provides a thick-film paste for printing the front-side of a solar cell device having one or more insulating layers. The thick film paste comprises an electrically conductive metal, and a lead-tellurium-oxide dispersed in an organic medium. | 10-03-2013 |
20130255768 | THICK-FILM PASTES CONTAINING LEAD-TELLURIUM-BORON-OXIDES, AND THEIR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The present invention provides a thick-film paste for printing the front side of a solar cell device having one or more insulating layers. The thick-film paste comprises an electrically conductive metal and a lead-tellurium-boron-oxide dispersed in an organic medium. | 10-03-2013 |
20130255769 | THICK-FILM PASTES CONTAINING LEAD-TELLURIUM-LITHIUM-TITANIUM-OXIDES, AND THEIR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The present invention provides a thick-film paste for printing the front side of a solar cell device having one or more insulating layers. The thick film paste comprises an electrically conductive metal, and a lead-tellurium-lithium-titanium-oxide dispersed in an organic medium. | 10-03-2013 |
20130255770 | THICK-FILM PASTES CONTAINING LEAD-TELLURIUM-LITHIUM- OXIDES, AND THEIR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The present invention provides a thick-film paste for printing the front side of a solar cell device having one or more insulating layers. The thick film paste comprises an electrically conductive metal, and a lead-tellurium-lithium-oxide dispersed in an organic medium. | 10-03-2013 |
20130284256 | LEAD-FREE CONDUCTIVE PASTE COMPOSITION AND SEMICONDUCTOR DEVICES MADE THEREWITH - A lead-free conductive paste composition contains a source of an electrically conductive metal, a fusible material, an optional additive, and an organic vehicle. An article such as a high-efficiency photovoltaic cell is formed by a process of deposition of the lead-free paste composition on a semiconductor substrate (e.g., by screen printing) and firing the paste to remove the organic vehicle and sinter the metal and fusible material. | 10-31-2013 |
20140061830 | CONDUCTIVE PASTE COMPOSITION AND SEMICONDUCTOR DEVICES MADE THEREWITH - A conductive paste composition contains a source of an electrically conductive metal, an alkaline-earth-metal boron tellurium oxide, and an organic vehicle. An article such as a high-efficiency photovoltaic cell is formed by a process of deposition of the paste composition on a semiconductor device substrate (e.g., by screen printing) and firing the paste to remove the organic vehicle and sinter the metal and establish electrical contact between it and the device. | 03-06-2014 |
20140061831 | CONDUCTIVE PASTE COMPOSITION AND SEMICONDUCTOR DEVICES MADE THEREWITH - A conductive paste composition contains a source of an electrically conductive metal, a Ti—Te—Li oxide, and an organic vehicle. An article such as a high-efficiency photovoltaic cell is formed by a process of deposition of the paste composition on a semiconductor substrate (e.g., by screen printing) and firing the paste to remove the organic vehicle and sinter the metal and establish electrical contact between it and the device. | 03-06-2014 |
20150068598 | CONDUCTIVE PASTE COMPOSITION AND SEMICONDUCTOR DEVICES MADE THEREWITH - A conductive paste composition contains a source of an electrically conductive metal, an alkaline-earth-metal boron tellurium oxide, and an organic vehicle. An article such as a high-efficiency photovoltaic cell is formed by a process of deposition of the paste composition on a semiconductor device substrate (e.g., by screen printing) and firing the paste to remove the organic vehicle and sinter the metal and establish electrical contact between it and the device. | 03-12-2015 |
20150083217 | CONDUCTIVE PASTE COMPOSITION AND SEMICONDUCTOR DEVICES MADE THEREFROM - A conductive paste composition contains a source of an electrically conductive metal, a lead-tellurium-based oxide, a discrete oxide of an adhesion promoting element, and an organic vehicle. An article such as a high-efficiency photovoltaic cell is formed by a process of deposition of the paste composition on a semiconductor substrate (e.g., by screen printing) and firing the paste to remove the organic vehicle and sinter the metal and lead-tellurium-based oxide. | 03-26-2015 |