U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"During my service in the United States Congress, I took the initiative in creating the Internet."

Al Gore ; The basis for the later misquote by US Republicans that Gore had "invented" the Internet. Gore was the leading political champion of the modern-day Internet.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 438/86 - And cadmium sulfide compound semiconductive component


Subclass of Class 438 - Semiconductor device manufacturing: process
Definition: Process wherein the semiconductor substrate containing a
No. of patents: 42
Last issue date: 01/16/2007


1    
NumberTitleIssue Date
7163835Method for producing thin semiconductor films by deposition from solution
A method is described for producing thin semiconductor films on a substrate by contacting a substrate with a solution containing a metal salt, a source of a Group VIa element, and chelating agent, and a noble metal in its elemental form. The resulting semiconductor ...
01/16/2007
7129058Method of production of a nanoparticle of a compound semiconductor in a cavity of protein
The method of the production of a nanoparticle of the present invention includes a step of forming a nanoparticle of a group II–group VI compound semiconductor in the cavity part of a protein, in a solution containing the protein having a cavity part therein repre...
10/31/2006
7094354Method and apparatus for separation of particles in a microfluidic device
A microfluidic device provides separation of particles in a liquid sample, particularly, separation of a sample of whole blood into its components for further analysis. Separation into red blood cells and plasma occurs within a few seconds after the blood sample has...
08/22/2006
7041530Method of production of nano particle dispersed composite material
A method of the production of a nanoparticle dispersed composite material capable of controlling a particle size and a three dimensional arrangement of the nanoparticles is provided. The method of the production of a nanoparticle dispersed composite material of the ...
05/09/2006
6933553Field effect transistor using vanadium dioxide layer as channel material and method of manufacturing the field effect transistor
Provided is a field effect transistor. The field effect transistor includes an insulating vanadium dioxide (VO2) thin film used as a channel material, a source electrode and a drain electrode disposed on the insulating VO2 thin film to be space...
08/23/2005
6913943Photovoltaic device
This invention is a layered thin film semiconductor device comprising a first transparent layer; a thin, second transparent layer having a conductivity less than the first transparent layer; an n-type layer; and a p-type layer comprising one or more IIB and VIA elem...
07/05/2005
6908782High carrier concentration p-type transparent conducting oxide films
A p-type transparent conducting oxide film is provided which is consisting essentially of, the transparent conducting oxide and a molecular doping source, the oxide and doping source grown under conditions sufficient to deliver the doping source intact onto the oxid...
06/21/2005
6890777Quantum dot white and colored light emitting diodes
An electronic device comprising a population of quantum dots embedded in a host matrix and a primary light source which causes the dots to emit secondary light of a selected color, and a method of making such a device. The size distribution of the quantum dots is ch...
05/10/2005
6855556Binding protein as biosensors
The invention is directed to compositions of mutated binding proteins containing reporter groups, analyte biosensor devices derived there from, and their use as analyte biosensor both in vitro and in vivo. ...
02/15/2005
6696700P-type transparent copper-aluminum-oxide semiconductor
This invention provides a transparent Cu--Al--O semi-conducting film having a p-type conductivity greater than 0.95×10-1 S.multidot.cm-1. This invention also relates to a process for preparing a Cu--Al--O film having p-type conducti...
02/24/2004
6664565ZnO crystal growth method, ZnO crystal structure, and semiconductor device using ZnO crystal
A ZnO crystal growing method having the steps of: growing a low temperature growth ZnO layer on a sapphire substrate at a temperature lower than a single crystal ZnO growth temperature; thermally processing the low temperature growth ZnO layer at a temper...
12/16/2003
6548751Thin film flexible solar cell
A thin-film flexible solar cell built on a plastic substrate comprises a cadmium telluride p-type layer and a cadmium sulfide n-type layer sputter deposited onto a plastic substrate at a temperature sufficiently low to avoid damaging or melting the plasti...
04/15/2003
6503839Endpoint stabilization for polishing process
A system for performing chemical mechanical polishing wherein a dopant is added to the slurry during a chemical mechanical planarization so as to enhance end point determination. In one embodiment, the CMP system includes a laser end point detection syste...
01/07/2003
6368892Monolithic multi-junction solar cells with amorphous silicon and CIS and their alloys
Efficient broader spectrum monolithic solar cells are produced by coupling a CIS or CIGS polycrystalline semiconductor to an amorphous silicon semiconductor. Coupling can be accomplished with a n-type conductor, such as cadmium sulfide or microcrystalline...
04/09/2002
6307148Compound semiconductor solar cell and production method thereof
An indium layer and a copper layer, and whenever necessary, a gallium layer or a gallium-alloy layer, are laminated on an electrode film formed on one of the surfaces of a substrate to form a metallic film. The metallic film is then subjected to sulfuriza...
10/23/2001
6287879Endpoint stabilization for polishing process
A system for performing chemical mechanical polishing wherein a dopant is added to the slurry during a chemical mechanical planarization so as to enhance end point determination. In one embodiment the CMP system includes a laser end point detection system...
09/11/2001
6023020Solar cell and method for manufacturing the same
A solar cell utilizing a chalcopyrite semiconductor and reducing the density of defects on the junction interface of pn junctions is provided. This solar cell includes a substrate, a back electrode formed on the substrate, a p-type chalcopyrite semiconduc...
02/08/2000
5986205Stainless steel sheet and a substrate for a solar cell and manufacturing method thereof
The stainless steel sheet useful as a substrate for non-single crystalline semiconductor solar cells has minute ripples with undulations along a rolling direction, and its surface roughness is controlled in the range of Rz 0.3-1.4 μm and R
11/16/1999
5541118Process for producing cadmium sulfide on a cadmium telluride surface
A process for producing a layer of cadmium sulfide on a cadmium telluride surface to be employed in a photovoltaic device. The process comprises providing a cadmium telluride surface which is exposed to a hydrogen sulfide plasma at an exposure flow rate, ...
07/30/1996
5538903Method of manufacturing solar cell
A method of manufacturing a solar cell, comprising the steps of forming a layer of n-type compound semiconductor, a layer of p-type compound semiconductor, and an electrode layer on a glass substrate, wherein at least one of said steps of forming a layer ...
07/23/1996
4812416Method for executing a reproducible glow discharge
In order to be able to check whether or not a glow procedure is executed properly, i.e. reproducibly, the temporal course of the formation of characteristic stable reaction products is traced mass spectrometrically....
03/14/1989
4735909Method for forming a polycrystalline monolayer
Improved techniques are provided for forming a very thin polycrystalline layer of a semiconductor material on a glass substrate. The film material may be formed from a slurry of a semiconductor powder and a liquid carrier, and the slurry economically appl...
04/05/1988
4709119Photovoltaic cell and method of making same
A thin film solar cell is proposed, in which the surface of the semiconductor layer (20) facing the front contact (28) is designed as an inversion layer, which can be tunnelled through by the charge carriers electrons and holes....
11/24/1987
4544797Method for preventing short-circuits or shunts in a large area thin film solar cell and cell obtained thereby
A method to prevent short-circuits or shunts in a large area thin film solar cell comprises applying, to a substrate with a first conductive electrical contact, at least one first layer comprising a p-type or n-type conductive layer and a second layer com...
10/01/1985
4526809Process and apparatus for formation of photovoltaic compounds
The invention relates to a process and apparatus for formation and deposition of thin films on a substrate, in a vacuum, by evaporation of the elements to form a Znx Cd1-x S compound having a preselected fixed ratio of cadmium to zin...
07/02/1985
4472458Process for the production of metallized semiconductors
The firmly adhesive metallization, in particular partial metallization, of the surface of semiconductors is possible, without pickling, by carrying out the activation with organometallic compounds of metals of the IB and VIIIB Groups of the Periodic Table...
09/18/1984
4404734Method of making a CdS/Cux S photovoltaic cell
A photovoltaic cell is formed by combining a spray process, forming a crystalline layer containing cadmium and sulfur, and an evaporation process, depositing copper chloride for converting to Cux S. The crystals containing cadmium and sulfur ar...
09/20/1983
4403398Method of manufacturing a cadmium sulphide photo-voltaic device
The invention relates to the manufacture of a cadmium sulphide photo-voltaic device. A substrate such as a glass is coated with successive layers which are made, in order, of tin oxide, cadmium sulphide, cuprous sulphide and copper to build up a photo-vol...
09/13/1983
4331707Process for thin film deposition of cadmium sulfide
The present invention teaches a process for depositing layers of cadmium sulfide. The process includes depositing a layer of cadmium oxide by spray pyrolysis of a cadmium salt in an aqueous or organic solvent. The oxide film is then converted into cadmium...
05/25/1982
4318938Method for the continuous manufacture of thin film solar cells
A technique for manufacturing durable, reliable solar cells by a continuous process suitable for large-scale manufacture involves, in substance, providing a reel of thin metal foil substrate and forming on the substrate a series of layers operative to for...
03/09/1982
4262411Method of making a solar cell array
A method of producing an array of photovoltaic cells responsive to incident radiation by forming heterojunction-forming material layers over a transparent substrate panel having a transparent electrically conductive coating and thereafter removing selecte...
04/21/1981
4254546Photovoltaic cell array
In a photovoltaic cell which comprises: a substrate, a bottom electrode, a first layer of cadmium sulfide, a second layer of cuprous sulfide forming a barrier junction with said first layer and a top electrode, the improvement wherein said substrate is an...
03/10/1981
4239553Thin film photovoltaic cells having increased durability and operating life and method for making same
A solar cell having a copper-bearing absorber is provided with a composite transparent encapsulating layer specifically designed to prevent oxidation of the copper sulfide. In a preferred embodiment, the absorber is a layer of copper sulfide and the compo...
12/16/1980
4167805Cuprous sulfide layer formation for photovoltaic cell
An improved method for fabrication of a photovoltaic cell preferably of the CdS--Cux S type, having a copper electrode adjacent the Cux S. A portion of the CdS is converted to Cux S through ion exchange wherein the CdS is ...
09/18/1979
4135290Method for fabricating solar cells having integrated collector grids
A heterojunction or Schottky barrier photovoltaic device comprising a conductive base metal layer compatible with and coating predominately the exposed surface of the p-type substrate of the device such that a back surface field region is formed at the in...
01/23/1979
4127424Photovoltaic cell array
In a photovoltaic cell which comprises: a substrate, a bottom electrode, a first layer of cadmium sulfide, a second layer of cuprous sulfide forming a barrier junction with said first layer and a top electrode, the improvement wherein said substrate is an...
11/28/1978
4120705Vacuum deposition process for fabricating a CdS--Cu2 S heterojunction solar cell device
A solar cell is comprised of (1) a Cu2 S thin film evaporated on a conductive substrate at an elevated temperature thereby growing a polycrystalline film of preferred orientation, and (2) an outer CdS layer grown epitaxially on the Cu2
10/17/1978
4086101Photovoltaic cells
A method of making low cost photovoltaic cells on a large scale basis by means of a continuous process of coating sheet glass while the sheet glass moves in and has its under surface immersed in a tank of molten material, comprising forming the film of Cd...
04/25/1978
4052782Tubular solar cell and method of making same
High efficiency, low cost solar energy conversation is facilitated by using tubular photovoltaic solar cells situated at the focus of a line-generated paraboloidal reflector. Advantageously each solar cell comprises a pair of concentric glass tubes that a...
10/11/1977
4041140Method of making a sulphide ceramic body
A method of making a polycrystalline sulphide ceramic body by sulphurizing an oxide material in a carbon disulphide atmosphere at a temperature in the range of 400-1000° C and less than the transforming temperature of the sulphide, which transforming tem...
08/09/1977
1    
 
Sign InRegister
Username  
Password   
forgot password?