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Class 438/84 - Having selenium or tellurium elemental semiconductor component


Subclass of Class 438 - Semiconductor device manufacturing: process
Definition: Process for making a device responsive to electromagnetic
No. of applications: 84
Last issue date: 05/03/2012


1      
Application No.Application TitleIssue Date
20120103420CU-IN-ZN-SN-(SE,S)-Based Thin Film for Solar Cell and Preparation Method Thereof
A Cu-In-Zn-Sn-(Se,S)-based thin film for a solar cell and a preparation method thereof, and more particularly, to a Cu-In-Zn-Sn-(Se,S)-based thin film for a solar cell which can reduce an amount of In to be used and exhibit an excellent conversion efficiency and a prepa...
05/03/2012
20120067424ANNEALING PROCESSES FOR PHOTOVOLTAICS
Processes for making a solar cell by depositing various layers of components on a substrate and converting the components into a thin film photovoltaic absorber material. Processes of this disclosure can be used to control the stoichiometry of metal atoms in making a so...
03/22/2012
20120048333PHOTOVOLTAIC DEVICE INTERCONNECT
Scribing and deposition processes can be used to interconnect cells within photovoltaic modules....
03/01/2012
20120052617VAPOR DEPOSITION APPARATUS AND PROCESS FOR CONTINUOUS DEPOSITION OF A DOPED THIN FILM LAYER ON A SUBSTRATE
An apparatus and related process are provided for vapor deposition of a sublimated source material as a doped thin film on a photovoltaic (PV) module substrate. A receptacle is disposed within a vacuum head chamber and is configured for receipt of a source material supp...
03/01/2012
20120038013METHOD AND APPARATUS FOR A LATERAL RADIATION DETECTOR
A lateral Metal-Semiconductor-Metal (MSM) Photodetector (PD) is based on amorphous selenium (a-Se). It has low dark current, high photoconductive gain towards short wavelengths, and high speed of operation up to several KHz. From processing point of view, a lateral stru...
02/16/2012
20120021556DEPOSITION SYSTEM
A selenium deposition system can improve the selenium vapor distribution....
01/26/2012
20120003784METHODS OF FORMING A CONDUCTIVE TRANSPARENT OXIDE FILM LAYER FOR USE IN A CADMIUM TELLURIDE BASED THIN FILM PHOTOVOLTAIC DEVICE
Methods for forming a conductive oxide layer on a substrate are provided. The method can include sputtering a transparent conductive oxide layer (“TCO layer”) on a substrate from a target (e.g., including cadmium stannate) at a sputtering temperature of about 10° C...
01/05/2012
20120003785Method and Apparatus for Controllable Sodium Delivery for Thin Film Photovoltaic Materials
A solar cell includes a substrate, a first electrode located over the substrate, where the first electrode comprises a first transition metal layer, at least one p-type semiconductor absorber layer located over the first electrode, an n-type semiconductor layer located ...
01/05/2012
20110315220PHOTOVOLTAIC 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 p...
12/29/2011
20110318863PHOTOVOLTAIC DEVICE MANUFACTURE
A photovoltaic device manufacturing method is disclosed. Methods include manufacturing a photovoltaic cell using nanoimprint technology to define individual cell units of the photovoltaic device. The methods can include providing a substrate; forming a first conductive ...
12/29/2011
20110287573ATYPICAL KESTERITE COMPOSITIONS
This invention relates to processes for making kesterite compositions with atypical Cu:Zn:Sn:S ratios and/or kesterite compositions with unusually small coherent domain sizes. This invention also relates to these kesterite compositions and their use in preparing CZTS fi...
11/24/2011
20110265874CADMIUM SULFIDE LAYERS FOR USE IN CADMIUM TELLURIDE BASED THIN FILM PHOTOVOLTAIC DEVICES AND METHODS OF THEIR MANUFACTURE
Methods are generally provided for forming a cadmium sulfide layer on a substrate. In one particular embodiment, the method can include sputtering a cadmium sulfide layer on a substrate in a sputtering atmosphere comprising an inorganic fluorine source gas. Methods are ...
11/03/2011
20110265868CADMIUM SULFIDE LAYERS FOR USE IN CADMIUM TELLURIDE BASED THIN FILM PHOTOVOLTAIC DEVICES AND METHODS OF THEIR MANUFACTURE
Cadmium telluride thin film photovoltaic devices are generally provided. The device can include a substrate, a transparent conductive oxide layer on the substrate; a resistive transparent buffer layer on the transparent conductive oxide layer; a cadmium sulfide layer on...
11/03/2011
20110259418Manufacturing Apparatus and Method for Large-Scale Production of Thin-Film Solar Cells
A method of manufacturing improved thin-film solar cells entirely by sputtering includes a high efficiency back contact/reflecting multi-layer containing at least one barrier layer consisting of a transition metal nitride. A copper indium gallium diselenide (Cu(InX...
10/27/2011
20110259423METHODS FOR FORMING BACK CONTACT ELECTRODES FOR CADMIUM TELLURIDE PHOTOVOLTAIC CELLS
A method for forming a back contact for a photovoltaic cell that includes at least one semiconductor layer is provided. The method includes applying a continuous film of a chemically active material on a surface of the semiconductor layer and activating the chemically a...
10/27/2011
20110263070TREATMENT OF THIN FILM LAYERS PHOTOVOLTAIC MODULE MANUFACTURE
Systems and processes for treatment of a cadmium telluride thin film photovoltaic device are generally provided. The systems can include a treatment system and a conveyor system. The treatment system includes a preheating section, a treatment chamber, and an anneal oven...
10/27/2011
20110244622METHODS OF FORMING A CONDUCTIVE TRANSPARENT OXIDE FILM LAYER FOR USE IN A CADMIUM TELLURIDE BASED THIN FILM PHOTOVOLTAIC DEVICE
Methods are generally provided for forming a conductive oxide layer on a substrate. In one particular embodiment, the method can include sputtering a transparent conductive oxide layer (e.g., including cadmium stannate) on a substrate from a target in a sputtering atmos...
10/06/2011
20110244620Methods Of Forming A Conductive Transparent Oxide Film Layer For Use In A Cadmium Telluride Based Thin Film Photovoltaic Device
Methods are generally provided for forming a conductive oxide layer on a substrate. In one particular embodiment, the method can include sputtering a transparent conductive oxide layer on a substrate at a sputtering temperature from about 50° C. to about 250° C., and ...
10/06/2011
20110244621METHODS OF FORMING A CONDUCTIVE TRANSPARENT OXIDE FILM LAYER FOR USE IN A CADMIUM TELLURIDE BASED THIN FILM PHOTOVOLTAIC DEVICE
Methods are generally provided for forming a conductive oxide layer on a substrate. In one particular embodiment, the method can include sputtering a transparent conductive oxide layer on a substrate from a target (e.g., including cadmium stannate) in a sputtering atmos...
10/06/2011
20110162696Photovoltaic materials with controllable zinc and sodium content and method of making thereof
A solar cell includes a substrate, a first electrode located over the substrate, a sodium doped p-type copper indium selenide (CIS) based alloy semiconductor absorber layer located over the first electrode, a zinc and sodium doped n-type copper indium selenide (CIS) bas...
07/07/2011
20110155208SEMICONDUCTOR HETEROJUNCTION PHOTOVOLTAIC SOLAR CELL WITH A CHARGE BLOCKING LAYER
A heterojunction photovoltaic device comprises a chemically-doped n-type semiconductor layer, a charge-blocking layer that can have a compositionally graded configuration, and a chemically-doped p-type semiconductor layer. The charge-blocking layer can significantly red...
06/30/2011
20110146786PHOTOVOLTAIC MODULE INTERLAYER
A photovoltaic module may include a substrate including a coating; and an interlayer placed in contact with the substrate, where the interlayer includes an acid-modified polyethylene....
06/23/2011
20110139227TUNNEL HETEROJUNCTIONS IN GROUP IV / GROUP II-VI MULTIJUNCTION SOLAR CELLS
A photovoltaic cell comprises a first subcell formed of a Group IV semiconductor material, a second subcell formed of a Group II-VI semiconductor material, and a tunnel heterojunction interposed between the first and second subcells. A first side of the tunnel heterojun...
06/16/2011
20110143490METHODS OF MANUFACTURING CADMIUM TELLURIDE THIN FILM PHOTOVOLTAIC DEVICES
Methods for manufacturing a cadmium telluride based thin film photovoltaic device are generally disclosed. A resistive transparent layer can be sputtered on a transparent conductive oxide layer from a metal alloy target in a sputtering atmosphere of argon and oxygen tha...
06/16/2011
20110143491VAPOR DEPOSITION APPARATUS AND PROCESS FOR CONTINUOUS DEPOSITION OF A THIN FILM LAYER ON A SUBSTRATE
An apparatus and related process are provided for vapor deposition of a sublimated source material as a thin film on a photovoltaic (PV) module substrate. A receptacle is disposed within a vacuum head chamber and is configured for receipt of a source material. A heated ...
06/16/2011
20110143489PROCESS FOR MAKING THIN FILM SOLAR CELL
A process for making a component of a thin film solar cell is provided. The process includes steps of making the component in the following sequence: depositing an absorber layer on a transparent substrate, depositing a back-contact layer on the absorber layer and activ...
06/16/2011
20110143492METHOD OF P-TYPE DOPING OF CADMIUM TELLURIDE
A method of p-type doping cadmium telluride (CdTe) is disclosed. The method comprising the steps of, (a) providing a first component comprising cadmium telluride (CdTe) comprising an interfacial region, and (b) subjecting the CdTe to a functionalizing treatment to obtai...
06/16/2011
20110139235CADMIUM TELLURIDE THIN FILM PHOTVOLTAIC DEVICES AND METHODS OF MANUFACTURING THE SAME
Methods for manufacturing a cadmium telluride based thin film photovoltaic device are generally disclosed. The method can include sputtering a resistive transparent layer on a transparent conductive oxide layer from an alloy target including zinc from about 5% by weight...
06/16/2011
20110139245THIN FILM INTERLAYER IN CADMIUM TELLURIDE THIN FILM PHOTOVOLTAIC DEVICES AND METHODS OF MANUFACTURING THE SAME
A cadmium telluride thin film photovoltaic device is provided having a thin film interlayer positioned between a cadmium sulfide layer and a cadmium telluride layer. The thin film interlayer can be an oxide thin film layer (e.g., an amorphous silica layer, a cadmium sta...
06/16/2011
20110143493METHOD OF MAKING PHOTOVOLTAIC CELL
Methods of making a photovoltaic (PV) cell are disclosed. The methods comprise at least the steps of, providing a first component comprising a cadmium telluride (CdTe) layer comprising an interfacial region, and subjecting the first component to a functionalizing treatm...
06/16/2011
20110139247GRADED ALLOY TELLURIDE LAYER IN CADMIUM TELLURIDE THIN FILM PHOTOVOLTAIC DEVICES AND METHODS OF MANUFACTURING THE SAME
Cadmium telluride thin film photovoltaic devices are generally disclosed including a graded alloy telluride layer. The device can include a cadmium sulfide layer, a graded alloy telluride layer on the cadmium sulfide layer, and a back contact on the graded alloy telluri...
06/16/2011
20110136293REACTION METHODS TO FORM GROUP IBIIIAVIA THIN FILM SOLAR CELL ABSORBERS
The present invention provides a method to form Group IBIIIAVIA solar cell absorber layers on continuous flexible substrates. In a preferred aspect, the method forms a Group IBIIIAVIA absorber layer for manufacturing photovoltaic cells by providing a workpiece having a ...
06/09/2011
20110129957METHOD OF MANUFACTURING SOLAR CELL
A solar cell manufacturing method is provided. A solar cell manufacturing method according to an exemplary embodiment of the present invention includes: forming a first electrode on a substrate, forming a precursor including copper (Cu), gallium (Ga), and indium (In) on...
06/02/2011
20110079278Method of Manufacturing a Photovoltaic Compound Semiconductor Printing Solution to Produce Solar Cells
A photovoltaic semiconductor solution comprising at least an equimolar mixture of cadmium, tellurium, gallium and indium; propylene glycol flux; carbon; resin in an organic solvent; strontium titanate; and high molecular weight polymer. The photovoltaic semiconductor so...
04/07/2011
20110061736PHOTOVOLTAIC BACK CONTACT
A method to preparing Cadmium telluride surface before forming metal back contact is disclosed. The method can include removing carbon from Cadmium telluride surface....
03/17/2011
20110056541Cadmium-free thin films for use in solar cells
A process for forming a cadmium-free thin film includes the steps of forming a first liquid precursor, forming a second liquid precursor, mixing the first and second liquid precursors in a vessel to form a coating material having no cadmium present, and dispensing the c...
03/10/2011
20110058649TRANSVERSE SCANNING BONE DENSITOMETER AND DETECTOR USED IN SAME
A scanning bone densitometer includes an x-ray source to produce x-rays and an x-ray detector receiving x-rays emitted from the x-ray source. The x-ray detector includes a cadmium tellurium (CdTe) semiconductor. The scanning bone densitometer also includes a controller ...
03/10/2011
20110049376SEMICONDUCTOR CRYSTAL BASED RADIATION DETECTOR AND METHOD OF PRODUCING THE SAME
A radiation detector includes a semiconductor crystal having a first surface and a second surface opposite to the first surface, a first electrode electrically coupled with the first surface of the semiconductor crystal to allow current to flow between the first electro...
03/03/2011
20110031401RADIATION DETECTOR HAVING A BANDGAP ENGINEERED ABSORBER
A radiation detector is provided that includes a photodiode having a radiation absorber with a graded multilayer structure. Each layer of the absorber is formed from a semiconductor material, such as HgCdTe. A first of the layers is formed to have a first predetermined ...
02/10/2011
20110020977Mechanical patterning of thin film photovoltaic materials and structure
A method for forming one or more patterns for a thin film photovoltaic material. The method includes providing a substrate including a molybdenum layer and an overlying absorber comprising a copper bearing species and a window layer comprising a cadmium bearing species....
01/27/2011
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