Quotables
"Inventing is a combination of brains and materials. The more brains you use, the less material you need."
Charles Kettering
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.
| Number | Title | Issue Date |
| 7048785 | Adsorbents for low vapor pressure fluid storage and delivery A fluid storage and delivery system utilizing a porous metal matrix that comprises at least one Group VIIIB metal therein. In one embodiment, the porous metal matrix forms a solid-phase metal adsorbent medium, with an average pore diameter of from about 0.5 nm to ab... | 05/23/2006 |
| 7041151 | Electrochemical displacement-deposition method for making composite metal powders An electrochemical displacement-deposition method for making composite metal powders is described. The method is carried out by combining tungsten or molybdenum metal particles with particles of silver oxide or copper oxide in an aqueous hydroxide solution. Heat is ... | 05/09/2006 |
| 6103354 | Ceramic circuit substrate and method of fabricating the same A ceramic circuit substrate includes an insulating layer fabricated of a ceramic, a first surface conductor layer fabricated on a surface of the insulating layer and embedded in the insulating layer except at least its surface, and a second surface conduc... | 08/15/2000 |
| 5993731 | Process for making improved net shape or near net shape metal parts The process for producing net shape or near net shape metal parts is improved by sintering a compact in a reducing atmosphere where the compact contains a metal and chemically-bound oxygen in the form of a metal oxide, for example, and the chemically-boun... | 11/30/1999 |
| 5846288 | Electrically conductive material and method for making Electrical contact material made from intimate mixtures of silver powder and a powder of a second phase material is shown in which the powder of the second phase material is milled to produce a selected grain distribution of approximately 90% less than 7-... | 12/08/1998 |
| 5826159 | Process for retarding spontaneous combustion of powdery mixtures The sinterability of a copper/tungsten green compact is improved by using copper oxide, tungsten oxide or both as the copper and/or tungsten source. Sinterability is further enhanced by including steam in the sintering atmosphere. Spontaneous combustion o... | 10/20/1998 |
| 5812925 | Low temperature bonding of materials A method for joining a first metal surface to a second metal surface that includes providing powder metal particles substantially all of which have hardnesses lower than the hardnesses of the first and second metal surfaces, at normal temperatures; locati... | 09/22/1998 |
| 5594932 | Method of manufacturing an encased wire of high critical temperature superconducting material In a method for the manufacture of an encased high critical temperature superconducting wire by the "powder in tube" method, prior to the introduction of a compressed rod of superconducting material into a silver tube, the rod is heat treated so that grai... | 01/14/1997 |
| 5480728 | Low resistance electrical contact for oxide superconductors and a method for making A conductive contact for use with metal oxide superconductors is described. The conductive contact comprises a metal contact which is attached by a diffusion bonding means to a superconductive metal oxide substrate. In a preferred embodiment, diffusion bo... | 01/02/1996 |
| 5433917 | PZT ceramic compositions having reduced sintering temperatures and process for producing same Process for producing novel fluxed PZT dielectric ceramic compositions having sintering temperatures below about 1000°, so as to be non-reactive with electrode layers when co-fired therewith. The PZT is sintered with an effective amount of an eutectic mi... | 07/18/1995 |
| 5429791 | Silver-high temperature superconductor composite material manufactured based on powder method, and manufacturing method therefor An article and method of manufacture of a (Bi,Pb)--Sr--Ca--Cu--O superconductor comprising calcinating powders of superconductor precursors of PbO, Bi2 O3, SrCO3 or SrO, CaCO3 or CaO in air to obtain a 2223 supe... | 07/04/1995 |
| 5413753 | Method for dispersion spinning of sheathed rod-in-tube superconducting composites Methods of forming composite articles of superconducting materials and metal at ambient temperature by applying a mixture of metal and binder to a ceramic oxide preform to yield a coated preform which is then heat treated to provide composite articles of ... | 05/09/1995 |
| 5399312 | Method for fabricating high-jc thallium-based superconducting tape A process for fabricating Thallium-based superconducting tapes comprising the steps of: (1) preparing a powder mixture having a nominal composition of (Tl1-x-y Biy Pbz)(Ba2-z Srz)Ca2 Cu3 | 03/21/1995 |
| 5374391 | Molded ceramic articles and production method thereof A method of producing a molded ceramic article comprises the first step mixing powdery raw materials and a liquid additive, thereby obtaining a mixed raw material, the second step press-molding the mixed raw material obtained in the first step in a hydros... | 12/20/1994 |
| 5354535 | Synthesis of highly phase pure (Bi, Pb)-Sr-Ca-Cu-O superconductor An article and method of manufacture of (Bi,Pb)-Sr-Ca-Cu-O superconductor. The superconductor is manufactured by preparing a first powdered mixture of bismuth oxide, lead oxide, strontium carbonate, calcium carbonate and copper oxide. A second powdered mi... | 10/11/1994 |
| 5338714 | Composite alumina/metal powders, cermets made from said powders, and processes of production The invention relates to nano-composite powders of alumina and metal constituted of grains of micronic size. Each grain comprises a compact matrix of alumina of a specific surface area less than 5 m2 /g, in which are dispersed crystallites of t... | 08/16/1994 |
| 5326525 | Consolidation of fiber materials with particulate metal aluminide alloys A process is disclosed for fabricating a metal aluminide composite which comprises providing a metal aluminide, such as titanium aluminide, or a titanium aluminide alloy, and a reinforcing fiber material, such as silicon carbide fiber, and placing an inte... | 07/05/1994 |
| 5312582 | Porous structures from solid solutions of reduced oxides A process for producing porous structures for use in molten carbonate fuel cells in which a powder comprising at least one of a non-alloyed metal powder and a metal oxide powder, and a ceramic oxide powder is mixed, formed into a desired shape and sintere... | 05/17/1994 |
| 5262398 | Ceramic oxide superconductive composite material A ceramic oxide superconductive composite material comprising a ceramic oxide superconductor and a non-superconductive material comprising at least one element which does not react with any of the elements of the ceramic oxide superconductor has improved ... | 11/16/1993 |
| 5258052 | Powder metallurgy silver-tin oxide electrical contact material A powder metallurgy material for use in the manufacture of electrical contacts and having enhanced cold workability consists essentially, by weight percent, of 5 to 20% tin oxide, 2000 to 5000 ppm, preferably 2000 to less than 4000 ppm copper, 20 to 200 p... | 11/02/1993 |
| 5202308 | Fabrication of sintered oxide superconducting wires The present invention relates to a sintered ceramic superconducting wire which is made by placing powders of metal oxides or a mixture of powders of metal oxides and metal carbonates, said oxides and said carbonates each having an oxidation potential high... | 04/13/1993 |
| 5179075 | Method of making a low electrical resistance connection between a metal and a high Tc superconducting ceramic A method of making at least one low electrical resistance connection between a metal and a high Tc superconducting ceramic part, said part being made from a ceramic powder which is placed in a mold, compressed, and sintered, wherein at least on... | 01/12/1993 |
| 5152959 | Sinterless powder metallurgy process for manufacturing composite copper strip The present invention relates to a process for forming a composite strip material without any sintering step. The process includes blending a powdered high conductivity material such as powdered copper with a powdered low thermal expansion phase material ... | 10/06/1992 |
| 5087413 | Conducting material and a method of fabricating thereof Vias each having no pore are formed in a multilayer ceramic substrate by filling through holes of green sheets with conducting material obtained by: kneading mixed powder particles, the powder particles produced by adding copper oxide powder particles in ... | 02/11/1992 |
| 5071826 | Organometallic silver additives for ceramic superconductors A method for making metal/ceramic superconductor thick film structures including the steps of preparing a silver/superconductor ink, applying the ink to a substrate, evaporating the ink's binder, decomposing a silver compound in the residue to coat the su... | 12/10/1991 |
| 5049332 | Method of making conductive metal-filled substrates without developing agents A conductive-metal-filled substrate is formed by intermingling oxide coated, non-conductive copper or nickel particles into a substrate having a softening point of at least 200° C. followed by compression molding at a temperature of at least 200° C. The... | 09/17/1991 |
| 5041416 | Superconductive metal matrix composites and method for making same A superconductor metal matrix composite formable into an electrical current carrying material. A superconductive particulate is intermixed with a normal metal matrix, pressed into form and heated to form the composite. The metal matrix surrounds the super... | 08/20/1991 |
| 4980125 | Sinter contact material for low voltage switching apparatus of the energy technology, in particular for motor contactors Sinter materials having the constitution AgSnO2 Bi2 O3 CuO produced from an intraoxidized alloy powder have added thereto bismuth zirconate and/or bismuth titanate in parts by weight of preferably between 0.1 and 5%. For t... | 12/25/1990 |
| 4975411 | Superconductors and methods of making same A ceramic superconductor is made by consolidating a plurality of metals and a chalcogen and applying a magnetic field during the consolidation operation.... | 12/04/1990 |
| 4975414 | Rapid production of bulk shapes with improved physical and superconducting properties The method of producing a superconducting product includes: providing a pressed-powder preform consisting essentially of REBa2 Cu3 Ox where 6.0 | 12/04/1990 |
| 4971754 | Method of preparing an electrical contact material, and a method of manufacturing a contact element incorporating such a material The method concerns preparing a contact material constituted by silver and tin oxide. According to the invention the method comprises the following steps: preparing an aqueous solution containing dissolved silver nitrate and tin oxide particles in suspension, ... | 11/20/1990 |
| 4962084 | Production of oxidic superconductor precursors A process for producing an oxidic superconductor precursor alloy which comprises mechanicallly allowing metallic elemental constituents of the oxidic superconductor in stoichiometric proportions and in the presence of a process control agent non-detriment... | 10/09/1990 |
| 4959348 | Y-Ba-Cu-O superconductor for containing antimony or boron to increase current density A superconductor essentially comprises a three-component metallic oxide including yttrium, barium, and copper (Y-Ba-Cu three-component metallic oxide) and an oxide of an element having a melting point lower than that of the three-component metallic oxide ... | 09/25/1990 |
| 4948676 | Cermet material, cermet body and method of manufacture The present invention provides a ceramic/metal composite material comprising cerium/aluminum mixed oxides as the ceramic phase and an alloy or intermetallic compond of cerium and at least one of aluminum, nickel, iron and cobalt as the metal phase. The ce... | 08/14/1990 |
| 4948424 | Low voltage switching apparatus sinter contact material Sinter contact materials produced from an intraoxidized alloy powder having the constitution AgSnO2 Bi2 O3 CuO have added thereto at least zirconium oxide and optionally additionally bismuth oxide in parts by weight of pre... | 08/14/1990 |
| 4915899 | Process for co-sintering conductors of copper or copper-base alloys and their ceramic substrate of cordierite The invention comprises a process for co-sintering of conductors of copper or copper-based alloy and a ceramic substrate, the substrate being produced from a ceramic powder of cordierite type, having a sintering temperature of lower than 950° C. The proc... | 04/10/1990 |
| 4914080 | Method for fabricating superconductive film A method for fabricating a superconductive film composed of a RE1 Ba2 Cu3 Ox compound, or a (Bi.Sr.Ca.Cu.O) compound. In a first embodiment, oxides or carbonates of the component materials, namely Y2 ... | 04/03/1990 |
| 4892581 | Dispersion strengthened copper A composition of matter comprised of copper and particles which are dispersed throughout the copper, where the particles are comprised of copper oxide and copper having a coating of copper oxide, and a method for making this composition of matter.... | 01/09/1990 |
| 4892861 | Liquid phase sintered superconducting cermet Disclosed is a cermet exhibiting superconducting properties with improved mechanical properties comprising a mixture of a superconducting ceramic and one or more metals, the cermet resulting from liquid phase sintering at a temperature at which one of the... | 01/09/1990 |
| 4857266 | Dispersion strengthened copper A composition of matter comprised of copper and particles which are dispersed throughout the copper, where the particles are comprised of copper oxide and copper having a coating of copper oxide, and a method for making this composition of matter.... | 08/15/1989 |
