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

Icon_funbox Famous Patents

The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.

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 505/730 - Vacuum treating or coating


Subclass of Class 505 - Superconductor technology: apparatus, material, process
Definition: Process which utilizes a vacuum to treat or coat a substrate
No. of patents: 140
Last issue date: 07/24/2007


1        
NumberTitleIssue Date
7247340Method of making a superconducting conductor
A method of forming a superconducting conductor is disclosed. The method provides translating a substrate tape through a deposition chamber and along a helical path, where the helical path has multiple windings of the substrate tape and each winding of the substrate...
07/24/2007
6147032Method for indirect Ion implantation of oxide superconductive films
An implant patterned superconductive device and a method for indirect implant-patterning of oxide superconducting materials is provided. The method forms a device having an oxide superconducting layer on a substrate, deposits a passivation layer atop the ...
11/14/2000
6072939Solid precursor injector apparatus
An apparatus and method are provided for effectively and controllably vaporizing solid material, in general, and specifically, solid precursor material for chemical phase deposition processes. The apparatus includes a hollow container member, capable of r...
06/06/2000
5943471Solid precursor injector apparatus and method
An apparatus and method are provided for effectively and controllably vaporizing solid material, in general, and specifically, solid precursor material for chemical phase deposition processes. The apparatus includes a hollow container member, capable of r...
08/24/1999
5764849Solid precursor injector apparatus and method
An apparatus and method are provided for effectively and controllably vaporizing solid material, in general, and specifically, solid precursor material for chemical phase deposition processes. The apparatus includes a hollow container member, capable of r...
06/09/1998
5536705Superconductor with 1212 phase of Hg,Pb,Sr,Ba,Ca,Y,Cu oxide
A family of mercury-containing Sr-(Ca.cndot.Y)-Cu-O superconducting materials having a zero-resistance temperature, Tc(zero), greater than 90 K so that they can be cooled to and maintain the desired superconducting characteristics using relativ...
07/16/1996
5534489Method of fabricating oxide superconducting films by laser deposition
An oxide superconducting film is formed using laser deposition of applying an excimer laser beam (1, 21) onto a target (3, 23) through a converging lens (2, 22) and depositing atoms and/or molecules scattered from the target (3, 23) on the base material (...
07/09/1996
5468806Method of manufacturing an oxide superconductor thin film
Disclosed is a method of manufacturing a thin film of an oxide superconductor represented by formula Sr1-x Ndx CuO2 on a substrate. The oxide superconductor has a tetragonal crystal structure, the lattice constant in a-axi...
11/21/1995
5447569MOCVD system for forming superconducting thin films
A system for MOCVD fabrication of superconducting oxide thin films provides a feed tube having a narrow slot along its length with a uniform mixture of powdered precursor materials packed inside the tube. The mixture composition is such that the resulting...
09/05/1995
5447906Thin film high TC oxide superconductors and vapor deposition methods for making the same
Superconducting transition metal oxide films are provided which exhibit very high onsets of superconductivity and superconductivity at temperatures in excess of 40° K. These films are produced by vapor deposition processes using pure metal sources for th...
09/05/1995
5439877Process for depositing high temperature superconducting oxide thin films
In-situ process are provided for 1) depositing on a substrate a crystalline thin film of a high temperature superconducting oxide by exposing the back surface of the substrate, i.e., the surface of the substrate opposite the surface on which the thin film...
08/08/1995
5403819MBE method for preparing high Tc superconducting thin films
A method for preparing a thin film formed of an oxide superconductor on a substrate by emitting molecular beams of constituent elements of the oxide superconductor to the substrate under high vacuum, wherein at first a molecular beam of one of the constit...
04/04/1995
5389606Process for producing thin films of inorganic oxides of controlled stoichiometry
An in-situ process for preparing thin films which contain relatively volatile and involatile oxides is disclosed, in particular, crystalline thin films of oxides of conductors, superconductors or ferroelectric materials, wherein separate sources of the re...
02/14/1995
5376628Method of improving or producing oxide superconductor
Herein is disclosed a method of improving or producing an oxide superconductor. An oxide superconductor or starting material of oxide superconductor as an object material is irradiated with active oxygen species. The irradiation process is carried out whi...
12/27/1994
5376627Method of preparing Tl-containing oxide superconducting thin film
Provided herein is a method of efficiently preparing a thin film having a higher critical temperature as to an oxide superconducting material containing Tl. A thin film of an oxide containing Tl is formed and then heat treated at a temperature of about 85...
12/27/1994
5374613Method for manufacturing an oxide superconductor thin film
A method for manufacturing an oxide superconductor thin film is disclosed, which comprises the steps of: (1) preparing a substrate; depositing an oxide superconductor thin film on said substrate by directing a beam containing constituent elements of an ox...
12/20/1994
5372089Method of forming single-crystalline thin film
Disclosed herein is a method of forming a single-crystalline thin film having excellent crystallinity on a base material without depending on the material for and crystallinity of the base material. In this method, a base material is provided thereon with...
12/13/1994
5364835Method of adding a halogen element into oxide superconducting materials by ion injection or thermal diffusion
A method of producing an oxide superconducting material comprises the steps of adding a halogen element to an oxide superconducting material by ion injection and thermal diffusion, forming a film either on the oxide material before or after the adding ste...
11/15/1994
5362710Process for preparing high Tc superconducting material
A process for preparing a thin film of superconducting material is disclosed in which films are deposited from a defined target. The thin films prepared by the process are characterized by high critical temperature of superconductivity and a smaller discr...
11/08/1994
5362711Method for producing single crystal superconducting LnA2 Cu3 O7-x films
A process for forming a single crystal superconducting LnA2 Cu3 O7-x film, wherein Ln is at least one rare earth element and A is at least one alkaline earth element, is disclosed, which comprises simultaneously evaporatin...
11/08/1994
5360785In-situ laser ablation method for forming oxide superconducting films
In a method of preparing an oxide superconducting thin film having a composition of Y-Ba-Cu-O, for example, using laser ablation, which comprises the steps of applying a laser beam to a target containing components of an oxide superconductive material and...
11/01/1994
5356872"Method of making high Tc superconducting thin films with fullerenes by evaporation"
An evaporation method of producing a new high Tc superconducting material using fullerene molecules as artificial pinning sites for any magnetic flux that may enter the material....
10/18/1994
5352656Method for the chemical vapor deposition of group IB and group VIIIB metal barrier layers
A method for applying a metal film barrier layer between a substrate and a superconductor coating or over a superconductivity coating using chemical vapor deposition in which low vapor pressure reactants are used, is disclosed, which comprises the steps o...
10/04/1994
5350738Method of manufacturing an oxide superconductor film
The present invention provides a method of manufacturing a high quality oxide superconductor film capable of controlling the film-forming rate and the film composition easily and forming the superconductor film safely and economically, over a wide region ...
09/27/1994
5350737MBE process for preparing oxide superconducting films
In a process for preparing a thin film of oxide superconductor having a layered crystal structure by depositing each layer of said layered crystal structure on a substrate by Molecular Beam Epitaxy (MBE) method with introducing oxygen-containing gas which...
09/27/1994
5350453Device for producing thin films of mixed metal oxides from organic metal compounds on a substrate
In the device for producing thin films of metal oxides from organic metal compounds on a substrate, there is a truncated pyramidal hollow body (3) in an evacuable housing (1). Disposed concentrically with respect to the axis of symmetry (16) of the hollow...
09/27/1994
5348937Aligned bismuth, strontium, calcium cuprate coatings on polycrystalline substrates
An article comprises an oriented thick film superconducting coating on a polycrystalline substrate. The coating includes at least two highly oriented platelet components of Bia Srb Cac Cud Ox (BSCCO) where...
09/20/1994
5340793Layer-by-layer process for forming Bi -containing oxide superconducting films
A method of forming a Bi system copper oxide superconducting thin film of Bi2 Sr2 Can-1 Cun Ox (nࣙ2) including at least the equivalent of a pair of a full CuO molecular layer and a full CaO molecula...
08/23/1994
5330966Method of preparing 2223 phase (Bi,Pb)-Sr-Ca-Cu-O superconducting films
An oxide superconducting layer is formed on a base material of silver, whose single side is coated with MgO, or single-crystalline MgO for depositing a Bi2 Sr2 Ca2 Cu3 phase in a crystallographically oriented st...
07/19/1994
5330968Laser ablation process for preparing oxide superconducting thin films
A laser ablation process for preparing an oxide superconducting thin film characterized in that an electrode is arranged between a substrate and a target. While the film is formed by laser ablation, a bias voltage of 75-100 V is applied between the electr...
07/19/1994
5326747Process for patterning layered thin films including a superconductor
A process for patterning layered thin films comprising a bottom oxide superconductor (1) layer deposited on a substrate (3) and another thin film (2) deposited on the bottom superconductor layer and consisting of insulator, ordinary conductor or oxide sup...
07/05/1994
5322818Method for forming an oxide superconducting material
A method for forming an oxide superconducting material by preparing first a shaped magnetic shield comprising an oxide superconductor as a matrix, and then effecting CVD and further EVD to fill in the pores of the matrix with an oxide superconductor; more...
06/21/1994
5322817In situ growth of TL-containing oxide superconducting films
In situ vapor phase growth of thallium containing superconductors is achieved by controlling thallium volatility. Thallium volatility is controlled by providing active oxygen at the surface of the growing material and by avoiding collisions of energetic s...
06/21/1994
5314866Formation of superconducting Bi-Sr-Ca-Cu-O films by organometallic chemical vapor deposition
A CVD process for forming a layer or layers of superconducting materials on a semiconductor substrate in which volatile organometallic compounds of bismuth, strontium, calcium and copper are heated in the presence of a carrier gas in a first chamber free ...
05/24/1994
5314870Preparing thin film of oxide superconductor
A process for preparing a thin film of oxide superconductor on a single crystal substrate of semiconductor by RF sputtering. At first, an under-layer of an oxide having a thickness of 50 to 200 Å is deposited on the single crystal substrate of semiconduc...
05/24/1994
5312804Method of fabricating a superconductive flexible ceramic conductor having a high critical temperature
A method of fabricating a superconductive flexible conductor having a high critical temperature in which method a deposit of superconductive ceramic is applied to a metal tape of thickness lying in the range 0.1 mm to 1 mm, wherein: the deposit of thickne...
05/17/1994
5312803Process for producing Bi- and Pb-containing oxide superconducting wiring films
In an oxide superconducting film wiring, when the line width is reduced, the evaporation of a component during firing becomes so vigorous that it becomes impossible to form a desired single crystal phase, which causes a significant lowering in the propert...
05/17/1994
5308801Process for the increase in critical temperature of high Tc superconductors
A method is disclosed to increase the critical transition temperature of superconducting materials by the selective application of stress to specific crystal directions. It has been found that by applying tensile stresses in certain directions and compres...
05/03/1994
5306698Methods for producing Tl2 Ca2 Ba2 Cu3 oxide superconductors
Improved processes for making thin film and bulk thallium superconductors are described, as well as Tl superconductors having high critical current densities and low surface impedance. An annealing step in a reduced oxygen atmosphere is used to convert co...
04/26/1994
5306702Process for producing Bi-Pb-Sr-Ca-Cu-O superconducting films
A process for producing a Bi-based perovskite superconducting film, comprising the steps of forming on a substrate a Pb-film, containing Bi-base material film comprising Bi, Pb, Sr, Ca and Cu in a Bi:Pb:Sr:Ca:Cu molar ratio of (1.9 to 2.1):(1.2 to 2.2, pr...
04/26/1994
1        
 
Sign InRegister
Username  
Password   
forgot password?