...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 5380553 | Reverse direction pyrolysis processing The present invention relates to a method of forming a homogeneous ceramic coating on a substrate. The method comprises depositing a preceramic coating on a substrate and then heating the substrate while directing a stream of cooling gas at the surface of... | 01/10/1995 |
| 5275844 | Process for forming a crack-free boron nitride coating on a carbon structure A process for producing a crack-free coating of pyrolytic boron nitride on a carbon structure in which the coating is formed in a controlled atmosphere containing vapors of ammonia and gaseous boron halide within a temperature range of between 1500° C. t... | 01/04/1994 |
| 5272131 | Method for forming aligned superconducting Bi-Sr-Ca-Cu-O A process is provided for forming an oriented thick film superconducting coating on a polycrystalline substrate. The coating includes at least two highly oriented compounds of Bia Srb Cac Cud Ox (BSCCO) wh... | 12/21/1993 |
| 5268196 | Process for forming anti-reflective coatings comprising light metal fluorides This invention is directed to a process for forming coatings comprising light metal fluorides on a substrate. More particularly, the coating comprising light metal fluorides is preferably made using sol-gel techniques and may comprise a concentration grad... | 12/07/1993 |
| 5260251 | Process for making superconducting Tl-Pb-Sr-Ca-Cu oxide films A process for making a superconducting Tl--Pb--Sr--Ca--Cu--O thin film comprised of at least one phase of the formula Tl0.5 Pb0.5 Sr2 Ca1+n Cu2+n O7+2n where n=0, 1 or 2. The process compri... | 11/09/1993 |
| 5238711 | Method of coating carbon fibers with a carbide A method for rapidly providing an impervious carbon substrate such as carbon fibers with a carbide coating, in atmospheric pressure, so as to provide a carbide layer bound to the carbon substrate. A carbide layer on the impervious carbon substrate is prov... | 08/24/1993 |
| 5234901 | Process for depositing a different thin film on an oxide superconductor Improvement in a process for depositing a thin film on an oxide superconductor thin film deposited previously on a substrate. A surface of the thin film of oxide superconductor is irradiated with laser beam pulses in high-vacuum of lower than 1×10-6 | 08/10/1993 |
| 5230924 | Metallized coatings on ceramics for high-temperature uses A method for forming metallized coatings on ceramics for high-temperature uses above about 630° C. comprising the steps of: preparing a metallizing composition of mixed ingredients of differing sizes, proportioning the differing sizes to have nonsegregat... | 07/27/1993 |
| 5231074 | Preparation of highly textured oxide superconducting films from MOD precursor solutions Highly-textured superconductor oxide thin films are prepared on substrates, including lattice matched, non-lattice mat The Government has rights in this invention pursuant to contract Number MDA972-88-K0006 awarded by the U.S. Defense Advance Research Project ... | 07/27/1993 |
| 5229360 | Method for forming a multilayer superconducting circuit A method for forming a superconducting circuit is disclosed, comprising the steps of forming a mask pattern on a superconducting layer, forming a covering layer, containing a modifying element for superconductor, on the resultant structure, diffusing the ... | 07/20/1993 |
| 5227363 | Molecular beam epitaxy process of making superconducting oxide thin films using an oxygen radical beam A method makes a superconducting oxide thin film by irradiating an oxygen radical beam with necessary elements of the compound onto a substrate mounted in a molecular beam epitaxy system. The process can selectively form the superconducting oxide thin fil... | 07/13/1993 |
| 5227364 | Method of forming patterned oxide superconducting films and Josephson junction devices by using an aqueous alkaline solution A method of forming a fine groove on a superconducting thin film. A superconducting oxide thin film is formed on a MgO substrate, and a damaged layer is formed thereon by irradiating the superconducting thin film with focused ion beams to such a degree th... | 07/13/1993 |
| 5225398 | Method for forming an oxide superconducting film having different crystal orientation on different regions of a Si substrate A [100] oriented ZrO2 thin film is formed on selected regions of a [100] deposition surface of a silicon substrate, and a Y2 O3 thin film deposited on the ZrO2 thin film and exposed regions of the deposition sur... | 07/06/1993 |
| 5225396 | Method for forming an oxide superconducting film A method for forming an oxide superconducting film is disclosed. A substrate member comprising an oxygen ion conductor and a material provided thereon having oxygen permeability and good fitting of lattice constant to the oxide superconducting film is pre... | 07/06/1993 |
| 5225394 | Method for manufacturing high Tc superconducting circuits A superconducting pattern formed from a superconducting ceramic film is illustrated. The pattern is made in the form of a coil which is embedded in an insulating ceramic film. The insulating film is made of a ceramic material whose thermal expansion coeff... | 07/06/1993 |
| 5223308 | Low temperature plasma enhanced CVD process within tubular members A method for the low temperature, microwave enhanced, chemical vacuum deposition of thin film material onto a surface of a hollow member by creating a sub-atmospheric pressure condition adjacent the surface to be coated while maintaining the applicator th... | 06/29/1993 |
| 5221663 | Method for repairing an oxide superconducting connecting line A method for producing an oxide superconducting connecting line includes initially coating a line with at least one layer of a crystalline or amorphous metal alloy forming a superconductive oxide. The line is subsequently heated to a temperature below the... | 06/22/1993 |
| 5221661 | Method of depositing a superconducting Bi2 Sr2 CaCu2 O8 A method is provided for depositing a dense, high quality, superconducting coating on a substrate of large size and complex shape. The superconducting coating is deposited from a precursor melt that generally comprises the same constituents as the superco... | 06/22/1993 |
| 5219830 | Process for preparing high-Tc superconducting integrated circuits A process for preparing high-Tc superconducting integrated circuits by using a method in which a thin surface layer of non-superconducting tetragonal YBa2 Cu3 Oy wafer is selectively transformed into a superconducting orthorhombic ph... | 06/15/1993 |
| 5217943 | Process for making composite ceramic superconducting wires A high temperature superconducting wire and an improved process of making the same wherein a metal wire chosen from the group consisting of: Y; Sm; Eu; Gd; Dy; Ho; Er; Tm; Yb; and Lu is oxidized and the oxidized metal wire is then coated with molten bariu... | 06/08/1993 |
| 5215960 | Method for manufacturing oxide superconducting devices In a method of manufacturing a superconducting device which has a first thin film of oxide superconductor material formed on a substrate and a second thin film formed on the first thin film of oxide superconductor material, after the second thin film is d... | 06/01/1993 |
| 5215787 | Method of forming silicon oxide film containing fluorine It is an object of the present invention to provide an excellent silicon oxide film formed at a temperature of 200° C. or less, a method of forming the silicon oxide film, and a selective growing method. According to the present invention, by using a vap... | 06/01/1993 |
| 5215788 | Combustion flame method for forming diamond films When a mixture of gases containing carbon is burned to form a film of diamond on a surface of a substrate held at an appropriate temperature, it is so burned as to form a substantially flat region of incomplete combustion lying in parallel to the substrat... | 06/01/1993 |
| 5214025 | Method of manufacturing oxide high-temperature superconductor thin film by means of molecular-beam epitaxy Monatomic layers each formed of a single metal are sequentially formed on a substrate using a molecular-beam epitaxy to form a multilayered metal film consisting of a plurality of types of metals, and sequentially with formation the monatomic layers, nitr... | 05/25/1993 |
| 5213848 | Method of producing titanium nitride coatings by electric arc thermal spray Surfaces subject to wear and corrosion can have their service life increased by being coated with a composite coating applied by the electric arc thermal spray process using at least one titanium feed wire, optionally pre-nitrided, a second wire of a diff... | 05/25/1993 |
| 5213851 | Process for preparing ferrite films by radio-frequency generated aerosol plasma deposition in atmosphere In accordance with this invention, there is provided an atmospheric process for the production of a ferritic coating or film. In the first step of this process, an aerosol mist containing reactants necessary to form the ferrite is provided. Thereafter, th... | 05/25/1993 |
| 5212152 | Protection of oxide superconductors from degradation A method of treating an oxide superconductor to prevent degradation thereof comprises treating the superconductor with a solution of a metal which is capable of being oxidized by the superconductor to form on those regions of the surface area of the super... | 05/18/1993 |
| 5211987 | Method and apparatus for forming refractory metal films A method for improving the adhesion between a refractory metal film and a silicon substrate is disclosed, which comprises depositing the refractory metal film on the silicon substrate at a first temperature; and heating the contact surface between the dep... | 05/18/1993 |
| 5212147 | Method of forming a patterned in-situ high Tc superconductive film A method of forming a patterned in-situ photoconductive film on a substrate including providing a patterned photoresist layer on upper and lower metallic layers formed on a substrate. The patterned photoresist layer is used to form an opening in the upper... | 05/18/1993 |
| 5211995 | Method of protecting an organic surface by deposition of an inorganic refractory coating thereon Transparent, refractory coatings and methods for their application to environmentally exposed substrates are disclosed. The coatings can be deposited over organic decorative materials, which generally prevent application of hard, protective, inorganic mat... | 05/18/1993 |
| 5212151 | Superconducting thin film having a matrix and foreign phases An oxide superconducting thin film formed by laser ablation comprises a matrix formed of c-axis oriented superconducting phases and foreign phases which are different in crystal orientation from the matrix. In order to improve critical current density of ... | 05/18/1993 |
| 5212148 | Method for manufacturing oxide superconducting films by laser evaporation A method of manufacturing a layer of a superconducting high-Tc -material. For this purpose, an appropriate target material is deposited on a predetermined substrate by a pulsed laser with a wavelength in the ultraviolet range and, by applying a... | 05/18/1993 |
| 5210070 | Process for preparing a single phase Bi-containing superconducting thin oxide film by laser ablation A process of preparing a superconducting thin oxide film includes irradiating a target containing Bi, Sr, Ca and Cu with a laser beam to prepare a thin film of superconducting Bi2 Sr2 Ca2 Cu3 Ox oxide... | 05/11/1993 |
| 5206216 | Method for fabricating oxide superconducting wires by laser ablation Disclosed herein is a method of and an apparatus for fabricating an oxide superconducting wire which comprises a tape-type long base material and an oxide superconducting film formed thereon. The oxide superconducting film is formed by laser ablation of a... | 04/27/1993 |
| 5206212 | Fabrication of superconducting oxide films by laser ablation A laser beam (2) is applied to a target (1) of an oxide superconductive material, to deposit atoms and/or molecules which are scattered from the target (1) on a first portion (4) of a substrate (3) under an atmosphere containing oxygen for a start. Then, ... | 04/27/1993 |
| 5206213 | Method of preparing oriented, polycrystalline superconducting ceramic oxides A process for the preparation of oriented, ceramic oxides from a bilayer structure of a polycrystalline superconducting ceramic oxide and a second ceramic oxide material having a lower melting point than the superconducting ceramic oxide. The process comp... | 04/27/1993 |
| 5204314 | Method for delivering an involatile reagent in vapor form to a CVD reactor A process and apparatus for delivering an involatile reagent in gaseous form, wherein an involatile reagent source liquid is flash vaporized on a vaporization matrix structure at elevated temperature. A carrier gas may be flowed past the flash vaporizatio... | 04/20/1993 |
| 5204144 | Method for plasma deposition on apertured substrates The substrate in a plasma jet deposition system is provided with structural attributes, such as apertures and/or grooves, that facilitate efficient deposition. Groups of substrates are arranged with respect to the plasma beam in a manner which also facili... | 04/20/1993 |
| 5204313 | Process of forming a high temperature superconductor on a metal substrate surface A process of forming on a gold, silver or platinum metal surface of a substrate a superconductive crystalline mixed metal oxide thin film exhibiting superconductivity at a temperature in excess of 85° K. A precursor of the superconductive thin film conta... | 04/20/1993 |
| 5204138 | Plasma enhanced CVD process for fluorinated silicon nitride films A plasma enhanced chemical vapor deposition process for producing a fluorinated silicon nitride layer on a substrate is disclosed. The process utilizes a mixture of silane, perfluorosilane and nitrogen to produce films of high conformality and stability. ... | 04/20/1993 |