Patent application number | Description | Published |
20080206486 | METHOD FOR IDENTIFYING ARTICLES AND PROCESS FOR MAINTAINING SECURITY - The invention is directed to a method by exposing at least a portion of a luminescent coating disposed on a surface of an article to ultraviolet light at one or more preselected wavelengths causing said luminescent coating to exhibit a luminescence spectrum, the luminescence spectrum exhibiting a plurality of intensity peaks that have been predetermined to create a standard; determining the intensity of at least two peaks in the luminescence spectrum of the coating; determining a peak intensity ratio of the at least two peaks; comparing the peak intensity ratio determined with the standard; and, classifying the article according to whether or not the peak intensity ratio does or does not match the standard; wherein the luminescent coating is a particulate luminescent composition comprising a rare earth doped fluoride represented by the chemical formula | 08-28-2008 |
20080217578 | NOVEL RARE-EARTH DOPED FLUORIDES AND PROCESS FOR PREPARING - The present invention is directed to rare-earth doped solid state solutions of alkaline earth fluorides having novel luminescence properties, and to a process for preparing them. The invention is useful as identifying markers on articles. Other uses include phosphors for plasma displays, optical frequency multipliers, optical amplifiers and the like. | 09-11-2008 |
20090101872 | LEAD-FREE CONDUCTIVE COMPOSITIONS AND PROCESSES FOR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES: Mg-CONTAINING ADDITIVE - Described herein are a silicon semiconductor device and a conductive lead-free silver paste for use in the front side of a solar cell device. | 04-23-2009 |
20090104461 | CONDUCTIVE COMPOSITIONS AND PROCESSES FOR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES: Mg-CONTAINING ADDITIVE - Described herein are a silicon semiconductor device and a conductive silver paste for use in the front side of a solar cell device. | 04-23-2009 |
20100012898 | METHOD FOR CONTROLLING THE SIZE OF RARE-EARTH-DOPED FLUORIDE NANOPARTICLES - A method wherein an aqueous solution of a fluoride, an aqueous solution of a Group 2 or Group 3 metal salt, and an aqueous solution of a rare-earth metal dopant are combined to form a precipitate of a rare-earth doped Group 2 or Group 3 metal fluoride, and wherein increasing the concentration of the rare-earth dopant cation increases the resulting particle size, and wherein decreasing the concentration of the rare-earth dopant cation decreases the particle size. | 01-21-2010 |
20100019200 | METHOD FOR PREPARING RARE-EARTH-DOPED FLUORIDE NANOPARTICLES OF CONTROLLED SIZE - A method wherein an aqueous solution of a fluoride, an aqueous solution of a Group 2 or Group 3 metal salt, and an aqueous solution of a rare-earth metal dopant are combined in a plurality of continuous feed streams to form a series of precipitates of a rare-earth doped Group 2 or Group 3 metal fluoride, and wherein the member of the series differ by the concentration of the associated rare-earth dopant cation in the feed stream, and wherein the series so prepared defines the threshold concentration range above which operation of the process results in a minimization of the particle size variability caused by small perturbations in the concentration of the rare-earth dopant. | 01-28-2010 |
20100275997 | CONDUCTIVE COMPOSITIONS AND PROCESSES FOR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES: MG-CONTAINING ADDITIVE - Described herein are a silicon semiconductor device and a conductive silver paste for use in the front side of a solar cell device. | 11-04-2010 |
20100317143 | PROCESS OF FORMING A SILICON SOLAR CELL - A process for the production of a silicon solar cell comprising application and firing of an aluminum paste which comprises magnesium oxide and/or magnesium compounds capable of forming magnesium oxide on firing on the back-side of a silicon wafer provided with a silicon nitride antireflective coating on its front-side and being contaminated with silicon nitride on its back-side, and firing the aluminum paste after its application. | 12-16-2010 |
20110210291 | NOVEL RARE-EARTH DOPED FLUORIDES COMPOSITIONS - The present invention is directed to rare-earth doped solid state solutions of alkaline earth fluorides having novel luminescence properties, and to a process for preparing them. The invention is useful as identifying markers on articles. Other uses include phosphors for plasma displays, optical frequency multipliers, optical amplifiers and the like. | 09-01-2011 |
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 |
20110232747 | THICK-FILM PASTES AND SOLAR CELLS MADE THEREFROM - This invention relates to thick-film pastes and processes for using such pastes to make solar cell contacts and other circuit devices. In particular, the thick-film pastes comprise a lead-tellurium-oxide frit component, an organic vehicle, and a conductive metal component comprising a silver component and a nickel component. | 09-29-2011 |
20110233484 | GLASS-CRYSTALLINE PARTICLES INCLUDING A GLASS COMPONENT AND A CRYSTALLINE COMPONENT - The invention relates to a glass-crystalline particle including a glass component and a crystalline component, wherein the crystalline component includes one or more metal oxides, wherein the metal is selected from the group consisting of: Zn, Ca, Sr, Mg, Ba, and mixtures thereof. | 09-29-2011 |
20110233485 | GLASS-CRYSTALLINE PARTICLE POWDERS INCLUDING A GLASS COMPONENT AND A CRYSTALLINE COMPONENT - Disclosed is a plurality of glass-crystalline particles, wherein at least a portion of the glass-crystalline particles comprise a glass component and a crystalline component, and wherein the crystalline component comprises one or more metal oxides wherein the metal is selected from the group consisting of: Zn, Ca, Sr, Mg, Ba, and mixtures thereof. | 09-29-2011 |
20110233486 | METHODS OF MAKING GLASS-CRYSTALLINE PARTICLES INCLUDING A GLASS COMPONENT AND A CRYSTALLINE COMPONENT - Disclosed is a process for the manufacture of glass-crystalline particles comprising a glass component and a crystalline component comprising the steps of:
| 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 |
20120319046 | NOVEL RARE-EARTH DOPED FLUORIDES AND PROCESS FOR PREPARING - The present invention is directed to rare-earth doped solid state solutions of alkaline earth fluorides having novel luminescence properties, and to a process for preparing them. The invention is useful as identifying markers on articles. Other uses include phosphors for plasma displays, optical frequency multipliers, optical amplifiers and the like. | 12-20-2012 |
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 |
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 |
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 |
20140038346 | THICK-FILM PASTE CONTAINING LEAD-VANADIUM-BASED OXIDE AND ITS 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 and a method for doing so. The thick-film paste comprises a source of an electrically conductive metal and a lead-vanadium-based oxide dispersed in an organic medium. The invention also provides a semiconductor device comprising an electrode formed from the thick-film paste. | 02-06-2014 |
20140060632 | USE OF A CONDUCTIVE COMPOSITION CONTAINING LEAD-TELLURIUM-BASED OXIDE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES WITH LIGHTLY DOPED EMITTERS - The present invention provides a process for using a thick-film conductive paste composition to form an electrode on a silicon semiconductor device, e.g, a photovoltaic cell, containing a lightly doped emitter. The thick-film paste comprises a source of an electrically conductive metal and a Pb—Te-based oxide dispersed in an organic medium. Also provided are devices made by the process and a photovoltaic cell comprising a lightly doped emitter and an electrode formed from the thick-film conductive paste composition. | 03-06-2014 |
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 |
20140162921 | BIODERIVED BIODEGRADABLE LUBRICANT - A multi-purpose lubricant is described. In accordance with one implementation, a lubricant comprises food grade based oils substantially complying with USDA H-1 specifications for incidental contact with food, wherein at least one oil is selected from the group consisting of food grade plant oil, food grade poly-alpha-olefin, polyalkylene glycol, and mixtures thereof. In accordance with another implementation, a lubricant comprises canola oil, castor oil and a poly-alpha-olefin. In accordance with yet another implementation, a lubricant comprises canola oil, castor oil and a polyalkylene glycol. In accordance with yet another implementation, a lubricant comprises an oil substantially complying with USDA H-2 specification wherein the oil is at least one item selected from the group consisting of plant oil, poly-alpha-olefin, polyalkylene glycol, and mixtures thereof. In some implementations, the multi-purpose lubricant may be applied to areas of a bicycle chain. | 06-12-2014 |
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 |