Patent application number | Description | Published |
20100250565 | ANALYTICS - Systems and methods for creating an aggregation metric object for use in accelerating data update operations. One or more source objects are identified, a target object is identified, and fields between the one or more source objects and the target object are mapped. Fields in the target object are automatically updated pursuant to a user defined schedule; and updates to a dashboard object using the target object are provided upon request from the user to update the dashboard object. | 09-30-2010 |
20110225525 | SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR DISPLAYING DATA UTILIZING A SELECTED SOURCE AND VISUALIZATION - In accordance with embodiments, there are provided mechanisms and methods for displaying data utilizing a selected source and visualization. These mechanisms and methods for displaying data utilizing a selected source and visualization can enable enhanced data display, improved data display development, increased time savings, etc. | 09-15-2011 |
20120072783 | MECHANISM FOR FACILITATING EFFICIENT ERROR HANDLING IN A NETWORK ENVIRONMENT - In accordance with embodiments, there are provided methods and systems for facilitating efficient error handling in a network environment. A method of embodiments includes receiving a validation request having configuration parameters of error dialogs relating to errors, and validating the configuration parameters and the errors. The validating includes mapping each error with a corresponding dialog. The method further includes transmitting a validating report having results of validation of the configuration parameters and the errors. The validation report is used to assign an order to each error and its corresponding dialog. | 03-22-2012 |
20120144313 | FILTERING OBJECTS IN A MULTI-TENANT ENVIRONMENT - Various techniques and procedures related to filtering objects in a virtual application within a multi-tenant system are provided. One approach involves providing a first graphical user interface element enabling indication of a first filtering criterion and a second graphical user interface element enabling indication of a second filtering criterion within the virtual application being accessed over a network from a client device. After indication of the first filtering criterion and the second filtering criterion, a filtered set of objects is identified based on the first filtering criterion and the second filtering criterion. At least a portion of the filtered set of objects may then be presented within the virtual application on a client device. | 06-07-2012 |
20120197916 | CUSTOMER SERVICE AND SUPPORT SYSTEMS AND METHODS FOR USE IN AN ON-DEMAND DATABASE SERVICE - Analytic snapshots aid reporting and dashboard infrastructure to be more scalable and responsive to users. By storing the results of a query generating aggregates, and refreshing these aggregates on a scheduled basis, refreshing the dashboard (using the current dashboard infrastructure) can be accelerated. | 08-02-2012 |
20130191422 | SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR STORING REPORTS FOR USE BY TENANTS OF A MULTI-TENANT ON-DEMAND DATABASE SERVICE - In accordance with embodiments, there are provided mechanisms and methods for storing reports for use by tenants of a multi-tenant on-demand database service. These mechanisms and methods for storing reports for use by tenants of a multi-tenant on-demand database service may allow tenants of the multi-tenant on-demand database service to create, modify, etc. reports programmatically, as desired, and may allow the multi-tenant on-demand database service to make the reports accessible to other tenants of the multi-tenant on-demand database service. | 07-25-2013 |
20130246445 | CUSTOMER SERVICE AND SUPPORT SYSTEMS AND METHODS FOR USE IN AN ON-DEMAND DATABASE SERVICE - Analytic snapshots aid reporting and dashboard infrastructure to be more scalable and responsive to users. By storing the results of a query generating aggregates, and refreshing these aggregates on a scheduled basis, refreshing the dashboard (using the current dashboard infrastructure) can be accelerated. | 09-19-2013 |
20130246951 | FILTERING OBJECTS IN A MULTI-TENANT ENVIRONMENT - Various techniques and procedures related to filtering objects in a virtual application within a multi-tenant system are provided. One approach involves providing a first graphical user interface element enabling indication of a first filtering criterion and a second graphical user interface element enabling indication of a second filtering criterion within the virtual application being accessed over a network from a client device. After indication of the first filtering criterion and the second filtering criterion, a filtered set of objects is identified based on the first filtering criterion and the second filtering criterion. At least a portion of the filtered set of objects may then be presented within the virtual application on a client device. | 09-19-2013 |
20140067439 | TRAVEL DATA INGESTION AND SESSIONIZATION IN A MULTI-TENANT CLOUD ARCHITECTURE - A travel sessionizer captures raw event data from a user device, the raw event data representing user shopping behavior, and parses the raw event data into one or more travel sessions. Each of the one or more travel sessions represents shopping behavior for a single user corresponding to a specified date range. The travel sessionizer denormalizes the one or more travel sessions to organize travel session data by individual property days, where each individual property day represents travel session data corresponding to a separate property on a given day. The travel sessionizer then provides the individual property day data to a profit optimization module for further processing. | 03-06-2014 |
20140067469 | TRAVEL DEMAND FORECAST USING SHOPPING DATA - A profit optimization module identifies historical transaction data associated with a travel property. The historical transaction data includes bookings made for a same day of the week as the day of arrival during a forecast period for a plurality of previous weeks. The profit optimization module also identifies lost business data associated with the travel property from the historical transaction data. The lost business data includes at least one of a regret or a denial. The profit optimization module forecasts a demand for bookings at the travel property on a day of arrival, wherein the demand for bookings is based on at least in part on the historical transaction data and the lost business data. In addition, the profit optimization module determines an offer price for a booking of a unit at the travel property, wherein the offer price is based on a capacity of the travel property and the forecasted demand for bookings at the travel property, and wherein the offer price is designed to increase a profit for the travel property. | 03-06-2014 |
20140129969 | SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR DISPLAYING DATA UTILIZING A SELECTED SOURCE AND VISUALIZATION - In accordance with embodiments, there are provided mechanisms and methods for displaying data utilizing a selected source and visualization. These mechanisms and methods for displaying data utilizing a selected source and visualization can enable enhanced data display, improved data display development, increased time savings, etc. | 05-08-2014 |
Patent application number | Description | Published |
20110189137 | METHOD FOR GENERATION AND REGULATION OF IPS CELLS AND COMPOSITIONS THEREOF - The present invention provides methods for generating induced pluripotent stem (iPS) cells having an increased efficiency of induction as compared with conventional methods. The method includes treating a somatic cell with a nuclear reprogramming factor in combination with an agent that alters microRNA levels or activity in the cell and/or a p21 inhibitor. The invention further provides iPS cells generated by such methods, as well as clinical and research uses for such iPS cells. | 08-04-2011 |
20110263514 | DELIVERY OF AGENTS USING INTERFERING NANOPARTICLES - Provided are compositions and methods for delivery of therapeutic agents, such as chemically stabilized antisense oligonucleotides useful in RNA silencing. The compositions include interfering nanoparticles (iNOPs) associated with one or more agents. Several functional iNOP derivatives are provided which allow for targeted delivery of agents to specific cell types as well as exhibiting reduced cellular toxicity. | 10-27-2011 |
20120213746 | METHOD AND COMPOUNDS FOR GENERATION OF iPSCs - The present invention is based on the seminal concept of combining genomics and chemical biology to identify new agents useful for induced pluripotent stem cell (iPSC) generation. The invention provides a method of generating an iPSC utilizing agents that antagonize a cell specific gene or upregulate expression or activity of a nuclear reprogramming gene, as well as a method of screening for such agents. | 08-23-2012 |
20130064799 | METHODS FOR PROMOTING CELL REPROGRAMMING - The present invention is based on the seminal discovery that several kinases play important roles in barrier pathways in somatic cell reprogramming. The present invention provides that modulating expression or activity of these kinases can significantly promote or enhance cell reprogramming efficiency. Key kinases are identified and key regulation networks involving such kinases are also identified that may be advantageously targeted to significantly increase reprogramming efficiency as well as direct differentiation of induced pluripotent stem (iPS) cells. | 03-14-2013 |
20130174286 | In Vivo Gene Silencing By Chemically Modified and Stable siRNA - The present invention provides compositions for RNA interference and methods of use thereof. In particular, the invention provides small interfering RNAs (siRNAs) having modification that enhance the stability of the siRNA without a concomitant loss in the ability of the siRNA to participate in RNA interference (RNAi). The invention also provides siRNAs having modification that increase targeting efficiency. Modifications include chemical crosslinking between the two complementary strands of an siRNA and chemical modification of a 3′ terminus of a strand of an siRNA. Preferred modifications are internal modifications, for example, sugar modification, nucleobase modification and/or backbone modifications. Such modifications are also useful, e.g., to improve uptake of the siRNA by a cell. Functional and genomic and proteomic methods are featured. Therapeutic methods are also featured. | 07-04-2013 |
20140335590 | METHODS FOR PROMOTING CELL REPROGRAMMING - The present invention is based on the seminal discovery that several kinases play important roles in barrier pathways in somatic cell reprogramming. The present invention provides that modulating expression or activity of these kinases can significantly promote or enhance cell reprogramming efficiency. Key kinases are identified and key regulation networks involving such kinases are also identified that may be advantageously targeted to significantly increase reprogramming efficiency as well as direct differentiation of induced pluripotent stem (iPS) cells. | 11-13-2014 |
20150299703 | IN VIVO GENE SILENCING BY CHEMICALLY MODIFIED AND STABLE siRNA - The present invention provides compositions for RNA interference and methods of use thereof. In particular, the invention provides small interfering RNAs (siRNAs) having modification that enhance the stability of the siRNA without a concomitant loss in the ability of the siRNA to participate in RNA interference (RNAi). The invention also provides siRNAs having modification that increase targeting efficiency. Modifications include chemical crosslinking between the two complementary strands of an siRNA and chemical modification of a 3′ terminus of a strand of an siRNA. Preferred modifications are internal modifications, for example, sugar modification, nucleobase modification and/or backbone modifications. Such modifications are also useful, e.g., to improve uptake of the siRNA by a cell. Functional and genomic and proteomic methods are featured. Therapeutic methods are also featured. | 10-22-2015 |
Patent application number | Description | Published |
20090110808 | MOLTEN METAL SPRAYING FOR METALLIZATION APPLICATION IN SOLAR CELLS - The present invention provides a method of making back side contacts and back surface fields in photovoltaic devices such as silicon solar cells. According to one aspect, the process of the present invention is a non-contact process, overcoming many of the problems of the prior art. According to certain aspects, molten aluminum is used to form the contact regions as opposed to the screen printing process of the prior art. According to additional aspects, the process can be used to form the distributed point contacts and localized back surface fields for dielectric passivated back surface. According to still further aspects, molten aluminum spray and/or atomization is used for the back side metallization. | 04-30-2009 |
20100227431 | CRYSTALLINE SILICON SOLAR CELLS ON LOW PURITY SUBSTRATE - A method is provided for making a crystalline silicon solar cell on a low purity substrate by depositing p+-p-n+, or n+-n-p+ layers of amorphous silicon, depending on the type of wafer, on a crystalline silicon substrate, such as an upgraded metallurgical grade silicon substrate, with substrate vias of varying diameters formed thereon, annealing the stack of amorphous silicon layers to cause solid phase epitaxial crystallization, and metallizing the substrate assembly using standard metallization techniques. One embodiment of the present invention provides depositing a passivation layer onto the third deposited silicon layer subsequent to the crystallization. Another embodiment provides depositing a passivation layer on the back side of the substrate subsequent to crystallization and punching selected regions at the substrate vias prior to back metallization. | 09-09-2010 |
20100304522 | ION IMPLANTATION FABRICATION PROCESS FOR THIN-FILM CRYSTALLINE SILICON SOLAR CELLS - A front contact thin-film solar cell is formed on a thin-film crystalline silicon substrate. Emitter regions, selective emitter regions, and a back surface field are formed through ion implantation processes. In yet another embodiment, a back contact thin-film solar cell is formed on a thin-film crystalline silicon substrate. Emitter regions, selective emitter regions, base regions, and a front surface field are formed through ion implantation processes. | 12-02-2010 |
20110021008 | Directional Solid Phase Crystallization of Thin Amorphous Silicon for Solar Cell Applications - Embodiments of the present invention provide a method for converting a doped amorphous silicon layer deposited onto a crystalline silicon substrate into crystalline silicon having the same grain structure and crystal orientation as the underlying crystalline silicon substrate upon which the amorphous silicon was initially deposited. Additional embodiments of the present invention provide depositing a dielectric passivation layer onto the amorphous silicon layer prior to the conversion. A temperature gradient is provided at a temperature and for a time period sufficient to provide a desired p-n junction depth and dopant profile. | 01-27-2011 |
20120028399 | LASER PROCESSING FOR HIGH-EFFICIENCY THIN CRYSTALLINE SILICON SOLAR CELL FABRICATION - Laser processing schemes are disclosed for producing various types of hetero-junction and homo-junction solar cells. The methods include base and emitter contact opening, selective doping, and metal ablation. Also, laser processing schemes are disclosed that are suitable for selective amorphous silicon ablation and selective doping for hetero-junction solar cells. These laser processing techniques may be applied to semiconductor substrates, including crystalline silicon substrates, and further including crystalline silicon substrates which are manufactured either through wire saw wafering methods or via epitaxial deposition processes, that are either planar or textured/three-dimensional. These techniques are highly suited to thin crystalline semiconductor, including thin crystalline silicon films. | 02-02-2012 |
20120122272 | HIGH-THROUGHPUT FLAT TOP LASER BEAM PROCESSING FOR BACK CONTACT SOLAR CELLS - Flat top beam laser processing schemes are disclosed for producing various types of hetero-junction and homo-junction solar cells. The methods include base and emitter contact opening, back surface field formation, selective doping, and metal ablation. Also, laser processing schemes are disclosed that are suitable for selective amorphous silicon ablation and selective doping for hetero-junction solar cells. These laser processing techniques may be applied to semiconductor substrates, including crystalline silicon substrates, and further including crystalline silicon substrates which are manufactured either through wire saw wafering methods or via epitaxial deposition processes, that are either planar or textured/three-dimensional. These techniques are highly suited to thin crystalline semiconductor, including thin crystalline silicon films. | 05-17-2012 |
20120171804 | PATTERNING OF SILICON OXIDE LAYERS USING PULSED LASER ABLATION - Various laser processing schemes are disclosed for producing various types of hetero junction and homo-junction solar cells. The methods include base and emitter contact opening, selective doping, metal ablation, annealing to improve passivation, and selective emitter doping via laser heating of aluminum. Also, laser processing schemes are disclosed that are suitable for selective amorphous silicon ablation and selective doping for hetero junction solar cells. Laser ablation techniques are disclosed that leave the underlying silicon substantially undamaged. These laser processing techniques may be applied to semiconductor substrates, including crystalline silicon substrates, and further including crystalline silicon substrates which are manufactured either through wire saw wafering methods or via epitaxial deposition processes, or other cleavage techniques such as ion implantation and heating, that are either planar or textured/three-dimensional. These techniques are highly suited to thin crystalline semiconductor, including thin crystalline silicon films. | 07-05-2012 |
20120178203 | LASER ANNEALING FOR ALUMINUM DOPING AND FORMATION OF BACK-SURFACE FIELD IN SOLAR CELL CONTACTS - Various laser processing schemes are disclosed for producing various types of hetero junction and homo-junction solar cells. The methods include base and emitter contact opening, selective doping, metal ablation, annealing to improve passivation, and selective emitter doping via laser heating of aluminum. Also, laser processing schemes are disclosed that are suitable for selective amorphous silicon ablation and selective doping for hetero junction solar cells. Laser ablation techniques are disclosed that leave the underlying silicon substantially undamaged. These laser processing techniques may be applied to semiconductor substrates, including crystalline silicon substrates, and further including crystalline silicon substrates which are manufactured either through wire saw wafering methods or via epitaxial deposition processes, or other cleavage techniques such as ion implantation and heating, that are either planar or textured/three-dimensional. These techniques are highly suited to thin crystalline semiconductor, including thin crystalline silicon films. | 07-12-2012 |
20120225515 | LASER DOPING TECHNIQUES FOR HIGH-EFFICIENCY CRYSTALLINE SEMICONDUCTOR SOLAR CELLS - Various laser processing schemes are disclosed for producing various types of hetero-junction and homo-junction solar cells. The methods include base and emitter contact opening, selective doping, metal ablation, annealing to improve passivation, and selective emitter doping via laser heating of aluminum. Also, laser processing schemes are disclosed that are suitable for selective amorphous silicon ablation and selective doping for hetero-junction solar cells. Laser ablation techniques are disclosed that leave the underlying silicon substantially undamaged. These laser processing techniques may be applied to semiconductor substrates, including crystalline silicon substrates, and further including crystalline silicon substrates which are manufactured either through wire saw wafering methods or via epitaxial deposition processes, or other cleavage techniques such as ion implantation and heating, that are either planar or textured/three-dimensional. These techniques are highly suited to thin crystalline semiconductor, including thin crystalline silicon films. | 09-06-2012 |
20130130430 | SPATIALLY SELECTIVE LASER ANNEALING APPLICATIONS IN HIGH-EFFICIENCY SOLAR CELLS - Various laser processing schemes are disclosed for producing various types of hetero-junction emitter and homo-junction emitter solar cells. The methods include base and emitter contact opening, selective doping, metal ablation, annealing to improve passivation, and selective emitter doping via laser heating of aluminum. Also, laser processing schemes are disclosed that are suitable for selective amorphous silicon ablation and selective doping for hetero-junction solar cells. Laser ablation techniques are disclosed that leave the underlying silicon substantially undamaged. These laser processing techniques may be applied to semiconductor substrates, including crystalline silicon substrates, and further including crystalline silicon substrates which are manufactured either through wire saw wafering methods or via epitaxial deposition processes, or other cleavage techniques such as ion implantation and heating, that are either planar or textured/three-dimensional. These techniques are highly suited to thin crystalline semiconductor, including thin crystalline silicon films. | 05-23-2013 |
20130164883 | LASER ANNEALING APPLICATIONS IN HIGH-EFFICIENCY SOLAR CELLS - Various laser processing schemes are disclosed for producing various types of hetero-junction and homo-junction solar cells. The methods include base and emitter contact opening, selective doping, metal ablation, annealing to improve passivation, and selective emitter doping via laser heating of aluminum. Also, laser processing schemes are disclosed that are suitable for selective amorphous silicon ablation and selective doping for hetero-junction solar cells. Laser ablation techniques are disclosed that leave the underlying silicon substantially undamaged. These laser processing techniques may be applied to semiconductor substrates, including crystalline silicon substrates, and further including crystalline silicon substrates which are manufactured either through wire saw wafering methods or via epitaxial deposition processes, or other cleavage techniques such as ion implantation and heating, that are either planar or textured/three-dimensional. These techniques are highly suited to thin crystalline semiconductor, including thin crystalline silicon films. | 06-27-2013 |
20130171767 | ION IMPLANTATION AND ANNEALING FOR HIGH EFFICIENCY BACK-CONTACT BACK-JUNCTION SOLAR CELLS - A back contact back junction thin-film solar cell is formed on a thin-film semiconductor solar cell. Preferably the thin film semiconductor material comprises crystalline silicon. Emitter regions, selective emitter regions, and a back surface field are formed through ion implantation and annealing processes. | 07-04-2013 |
20130213469 | HIGH EFFICIENCY SOLAR CELL STRUCTURES AND MANUFACTURING METHODS - Fabrication methods and structures relating to multi-level metallization for solar cells as well as fabrication methods and structures for forming back contact solar cells are provided. | 08-22-2013 |
20130217172 | LASER PROCESSING FOR HIGH-EFFICIENCY THIN CRYSTALLINE SILICON SOLAR CELL FABRICATION - Laser processing schemes are disclosed for producing various types of hetero-junction and homo-junction solar cells. The methods include base and emitter contact opening, selective doping, and metal ablation. Also, laser processing schemes are disclosed that are suitable for selective amorphous silicon ablation and selective doping for hetero-junction solar cells. These laser processing techniques may be applied to semiconductor substrates, including crystalline silicon substrates, and further including crystalline silicon substrates which are manufactured either through wire saw wafering methods or via epitaxial deposition processes, that are either planar or textured/three-dimensional. These techniques are highly suited to thin crystalline semiconductor, including thin crystalline silicon films. | 08-22-2013 |
20130288425 | END POINT DETECTION FOR BACK CONTACT SOLAR CELL LASER VIA DRILLING - Methods and structures for fabricating photovoltaic back contact solar cells having multi-level metallization using laser via drilling end point detection are provided. | 10-31-2013 |
20130330872 | ION IMPLANTATION FABRICATION PROCESS FOR THIN-FILM CRYSTALLINE SILICON SOLAR CELLS - A front contact thin-film solar cell is formed on a thin-film silicon solar cell. Emitter regions, selective emitter regions, and a back surface field are formed through ion implantation processes. In one embodiment, front contact thin-film solar cell is formed on a thin-film silicon solar cell. Emitter regions, selective emitter regions, base regions, and a back surface field are formed through ion implantation processes. | 12-12-2013 |
20140017846 | SYSTEMS AND METHODS FOR ENHANCED LIGHT TRAPPING IN SOLAR CELLS - Methods for improving the light trapping characteristics of crystalline silicon solar cells are provided. In one embodiment, the backside surface of a crystalline silicon solar cell substrate is textured with a pulsed laser beam. The textured backside surface of the crystalline silicon solar cell substrate is then annealed to remove damage from the laser texturization process. | 01-16-2014 |
20140158193 | STRUCTURES AND METHODS OF FORMATION OF CONTIGUOUS AND NON-CONTIGUOUS BASE REGIONS FOR HIGH EFFICIENCY BACK-CONTACT SOLAR CELLS - Fabrication methods and structures relating to back contact solar cells having patterned emitter and non-nested base regions are provided. | 06-12-2014 |
20140360567 | BACK CONTACT SOLAR CELLS USING ALUMINUM-BASED ALLOY METALLIZATION - Methods and structures for photovoltaic back contact solar cells having multi-level metallization with at least one aluminum-silicon alloy metallization layer are provided. | 12-11-2014 |
20150020877 | HIGH-EFFICIENCY SOLAR PHOTOVOLTAIC CELLS AND MODULES USING THIN CRYSTALLINE SEMICONDUCTOR ABSORBERS - Fabrication methods and structures relating to backplanes for back contact solar cells that provide for solar cell substrate reinforcement and electrical interconnects as well as Fabrication methods and structures for forming thin film back contact solar cells are described. | 01-22-2015 |
20150136227 | TRENCH ISOLATION FOR MONOLITHICALLY ISLED SOLAR PHOTOVOLTAIC CELLS AND MODULES - Fabrication methods and structures are provided for the formation of monolithically isled back contact back junction solar cells. In one embodiment, base and emitter contact metallization is formed on the backside of a back contact back junction solar cell substrate. A trench stop layer is formed on the backside of a back contact back junction solar cell substrate and which is electrically isolated from the base and emitter contact metallization. The trench stop layer has a pattern for forming a plurality semiconductor regions. An electrically insulating layer is formed on the base and emitter contact metallization and the etch stop layer. And a trench isolation pattern is formed through the back contact back junction solar cell substrate to the trench stop layer which partitions semiconductor layer into a plurality of solar cell semiconductor regions on the electrically insulating layer. | 05-21-2015 |
20150140721 | PATTERNING OF SILICON OXIDE LAYERS USING PULSED LASER ABLATION - Various laser processing schemes are disclosed for producing various types of hetero junction and homo-junction solar cells. The methods include base and emitter contact opening, selective doping, metal ablation, annealing to improve passivation, and selective emitter doping via laser heating of aluminum. Also, laser processing schemes are disclosed that are suitable for selective amorphous silicon ablation and selective doping for hetero junction solar cells. Laser ablation techniques are disclosed that leave the underlying silicon substantially undamaged. These laser processing techniques may be applied to semiconductor substrates, including crystalline silicon substrates, and further including crystalline silicon substrates which are manufactured either through wire saw wafering methods or via epitaxial deposition processes, or other cleavage techniques such as ion implantation and heating, that are either planar or textured/three-dimensional. These techniques are highly suited to thin crystalline semiconductor, including thin crystalline silicon films. | 05-21-2015 |
20150162486 | LASER PROCESSING FOR SOLAR CELL BASE AND EMITTER REGIONS - The present application provides effective and efficient structures and methods for the formation of solar cell base and emitter regions using laser processing. Laser absorbent passivation materials are formed on a solar cell substrate and patterned using laser ablation to form base and emitter regions. | 06-11-2015 |
20150162487 | ALUMINUM OXIDE PASSIVATION FOR SOLAR CELLS - The present application provides effective and efficient structures and methods for the formation of solar cell base and emitter regions and passivation layers using laser processing. Laser absorbent passivation materials are formed on a solar cell substrate and patterned using laser ablation to form base and emitter regions. | 06-11-2015 |
20150221792 | Self Aligned Contacts for Solar Cells - Fabrication methods for forming self aligned contacts for back contact solar cells are provided. | 08-06-2015 |
20150243814 | HIGH-EFFICIENCY PHOTOVOLTAIC BACK-CONTACT SOLAR CELL STRUCTURES AND MANUFACTURING METHODS - Back contact back junction solar cell and methods for manufacturing are provided. The back contact back junction solar cell comprises a substrate having a light capturing frontside surface with a passivation layer, a doped base region, and a doped backside emitter region with a polarity opposite the doped base region. A backside passivation layer and patterned reflective layer on the emitter form a light trapping backside mirror. An interdigitated metallization pattern is positioned on the backside of the solar cell and a permanent reinforcement provides support to the cell. | 08-27-2015 |
Patent application number | Description | Published |
20100055901 | LASER MATERIAL REMOVAL METHODS AND APPARATUS - Embodiments of the present invention generally provide methods and apparatus for material removal using lasers in the fabrication of solar cells. In one embodiment, an apparatus is provided that precisely removes portions of a dielectric layer deposited on a solar cell substrate according to a desired pattern and deposits a conductive layer over the patterned dielectric layer. In one embodiment, the apparatus also removes portions of the conductive layer in a desired pattern. In certain embodiments, methods for removing a portion of a material via a laser without damaging the underlying substrate are provided. In one embodiment, the intensity profile of the beam is adjusted so that the difference between the maximum and minimum intensity within a spot formed on a substrate surface is reduced to an optimum range. In one example, the substrate is positioned such that the peak intensity at the center versus the periphery of the substrate is lowered. In one embodiment, the pulse energy is improved to provide thermal stress and physical lift-off of a desired portion of a dielectric layer. | 03-04-2010 |
20100167461 | DRY CLEANING OF SILICON SURFACE FOR SOLAR CELL APPLICATIONS - A method and apparatus for cleaning layers of solar cell substrates is disclosed. The substrate is exposed to a reactive gas that may comprise neutral radicals comprising nitrogen and fluorine, or that may comprise anhydrous HF and water, alcohol, or a mixture of water and alcohol. The reactive gas may further comprise a carrier gas. The reactive gas etches the solar cell substrate surface, removing oxygen and other impurities. When exposed to the neutral radicals, the substrate grows a thin film containing ammonium hexafluorosilicate, which is subsequently removed by heat treatment. | 07-01-2010 |
20100190290 | SOLAR CELL PATTERNING AND METALLIZATION - Embodiments of the present invention generally provide methods for forming conductive structures on the surfaces of a solar cell. In one embodiment, conductive structures are formed on the front surface of a solar cell by depositing a sacrificial polymer layer, forming patterned lines in the sacrificial polymer via a fluid jet, depositing metal layers over the front surface of the solar cell, and performing lift off of the metal layers deposited over the sacrificial polymer by dissolving the sacrificial polymer with a water based solvent. In another embodiment, conductive structures are formed on the back surface of a solar cell by depositing a sacrificial polymer layer, forming patterned lines in the sacrificial polymer via a fluid jet, depositing a metal layer over the back surface of the solar cell, and performing lift off of the metal layer deposited over the sacrificial polymer by dissolving the sacrificial polymer with a water based solvent, and completing selective metallization of the remaining metal lines. | 07-29-2010 |
20100240172 | METHODS OF MAKING AN EMITTER HAVING A DESIRED DOPANT PROFILE - A method for obtaining a desired dopant profile of an emitter for a solar cell which includes depositing a first amorphous silicon layer having a first doping level over an upper surface of the crystalline silicon substrate, depositing a second amorphous silicon layer having a second doping level on the first amorphous silicon layer, and heating the crystalline silicon substrate and the first and second amorphous silicon layers to a temperature sufficient to cause solid phase epitaxial crystallization of the first and second amorphous silicon layers, such that the first and second amorphous silicon layers, after heating, have the same grain structure and crystal orientation as the underlying crystalline silicon substrate | 09-23-2010 |
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 |
20120295440 | LASER MATERIAL REMOVAL METHODS AND APPARATUS - Embodiments of the present invention generally provide methods and apparatus for material removal using lasers in the fabrication of solar cells. In one embodiment, an apparatus is provided that removes portions of a dielectric layer deposited on a solar cell substrate according to a desired pattern. In certain embodiments, methods for removing a portion of a material via a laser without damaging the underlying substrate are provided. In one embodiment, the intensity profile of the beam is adjusted so that the difference between the maximum and minimum intensity within a spot formed on a substrate surface is reduced to an optimum range. In one example, the substrate is positioned such that the peak intensity at the center versus the periphery of the substrate is lowered. In one embodiment, the pulse energy is improved to provide thermal stress and physical lift-off of a desired portion of a dielectric layer. | 11-22-2012 |