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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7955448 | Alloy for heat dissipation of semiconductor device and semiconductor module, and method of manufacturing alloy It is an object to provide an inexpensive alloy for heat dissipation having a small thermal expansion coefficient as known composite materials, a large thermal conductivity as pure copper, and excellent machinability and a method for manufacturing the alloy. In part... | 06/07/2011 |
| 7789976 | Low surface roughness electrolytic copper foil and process for producing the same An electrodeposited copper foil with low surface roughness having a surface roughness Rz not higher than 2.5 μm and an elongation percentage not smaller than 6% at 180° C. in which tensile strength at 25° C. measured within 20 min of the point in time ... | 09/07/2010 |
| 7339797 | Chip mount, methods of making same and methods for mounting chips thereon The present invention describes a pre-fabricated chip mount and a method for making the pre-fabricated mount. The mount includes a mount body and a protective ring attached to the body by a plurality of tabs. The mount also includes a plurality of inner leads in ele... | 03/04/2008 |
| 7318833 | PFO closure device with flexible thrombogenic joint and improved dislodgement resistance The present invention provides devices for closing septal defects, such as a patent foramen ovale (PFO). The closure devices include a proximal anchor member, a distal anchor member, and at least one flexible center joint connecting the two anchor members. According... | 01/15/2008 |
| 7220265 | Patent foramen ovale (PFO) closure method and device The present invention provides methods and devices for closing two overlapping layers of tissue in a mammalian heart, for example a patent foramen ovale (PFO). The closure devices may take a number of different forms and may be retrievable. In some embodiments, the ... | 05/22/2007 |
| 7180176 | Radiation plate and power semiconductor module IC package Heat dissipating plate (4) made of copper-base alloy is proposed that exhibits high degree of flatness after joining in the step of assembling power semiconductor modules, IC packages, etc., that will not crack in the solder (3) joint if subjected to h... | 02/20/2007 |
| 6908691 | Metal strip for epitaxial coatings and method for the production thereof The aim of the invention is to provide a metal strip for epitaxial coating with a biaxially textured layer, this metal strip, however, being able to be produced in an uncomplicated manner and having a high tensile strength, low magnetic losses and/or a high electric... | 06/21/2005 |
| 6716541 | Material for a metal strip The material for a metal strip for manufacturing electrical contact component parts has, expressed in percent by weight, the following composition: | 04/06/2004 |
| 6406566 | Copper-based alloy having shape memory properties and superelasticity, members made thereof and method for producing same The present invention provides a copper-based alloy having high shape memory properties and superelasticity while maintaining an excellent workability, members such as a wire, plate, pipe, etc. made of the copper-based alloy, and methods for producing the... | 06/18/2002 |
| 5702542 | Machinable metal-matrix composite Metal-matrix composites and methods for producing these composites are provided. The manufacturing methods include providing a ceramic preform having a uniform distribution of ceramic particles sintered to one another. The particles include an average par... | 12/30/1997 |
| 5587259 | Metal-air cathode and cell having a hardened current collecting substrate A metal current collecting substrate for an air cathode in an electrochemical metal air cell is provided for, wherein the substrate is hardened by one of the steps of sandblasting, shotblasting, plastic deformation of the substrate below the recrystalliza... | 12/24/1996 |
| 5480472 | Method for forming an electrical contact material A method for forming an electrical contact material comprises the steps of melting a mixture of Cu and Cr into a molten alloy, atomizing the molten alloy into fine particles to obtain alloyed particles. Cr particles in the alloyed powder disintegrate to l... | 01/02/1996 |
| 5445686 | Fe-Cu alloy sheet having an alloy structure of high uniformity An Fe-Cu alloy sheet manufactured by a thin plate continuous casting method so as to be used as a material of electronic and magnetic parts. The alloy sheet has an alloy structure of high uniformity which contains 20 to 90% Cu, 1 to 10% Cr, 0 to 10% Mo, a... | 08/29/1995 |
| 5407499 | Making a mold for continuous casting A tubular blank made of an age-hardening copper alloy is annealed and quenched; whereupon a mandrel of the final shape and size of the interior cavity of the mold to be made is inserted; whereupon the blank is forced onto the mandrel primarily by drawing,... | 04/18/1995 |
| 5388319 | Method for making organism deposit-inhibiting pipe The invention provides a method for making an organism deposit-inhibition pipe, which excels in corrosion resistance, dispenses with maintenance work, and offers no toxicity problems. A thin sheet comprising a copper alloy is wound spirally around a round... | 02/14/1995 |
| 5296189 | Method for producing metal powder with a uniform distribution of dispersants, method of uses thereof and structures fabricated therewith Methods of fabricating powders of metal particles containing grain growth control additives are described. A powder, metal particles, e.g., copper particles, are mixed with a powder of additive particles, e.g., alumina particles. The mixture is milled in ... | 03/22/1994 |
| 5292477 | Supersaturation method for producing metal powder with a uniform distribution of dispersants method of uses thereof and structures fabricated therewith Methods of fabricating powders of electrically conductive particles supersaturated with grain growth control additives are described. A molten admixture of an electrically conductive material and a grain growth control additive is atomized by spraying an ... | 03/08/1994 |
| 5257733 | Process for thermodynamically treating a region joining two members and product thereof This invention relates to a composition of a region joining two members treated thermodynamically by a process set forth by the present invention. In accordance with one aspect of the present invention, there is provided a region comprising a solidified b... | 11/02/1993 |
| 5256214 | Copper alloys and method of manufacture thereof A method for the manufacture of a copper based alloy and the alloy produced thereby having improved mechanical properties. An alloy containing a dispersoid ingredient and a precipitating ingredient are spray cast so that during spray casting the dispersoi... | 10/26/1993 |
| 5149499 | Cooper-Fe-P-Nb alloys for electrical and electronic parts and its manufacturing process A cooper base alloy and process having high electrical conductivity. An alloy consists of from 0.005 to 0.15% by weight Niobium, about 0.005 to 0.15% by weight Iron, 0.01 to 0.05% by weight phosphorus, and the balance copper.... | 09/22/1992 |
| 5085712 | Iron/copper/chromium alloy material for high-strength lead frame or pin grid array An iron/copper/chromium alloy material for a high-strength lead frame or pin grid array, which comprises 20 to 90% by weight of Cu and 2.5 to 12% by weight of Cr, with the balance being mainly iron, and which has an average grain size number of at least 1... | 02/04/1992 |
| 5071494 | Aged copper alloy with iron and phosphorous An aged copper alloy comprising: 0.15-1.0 wt % Fe, 0.05-0.3 wt % P, and 0.05-0.3 wt % Mg and 0.05-0.3 wt % Pb with the balance being essentially composed of Cu.... | 12/10/1991 |
| 5026434 | Copper-iron-cobalt-titanium alloy with high mechanical and electrical characteristics and its production process A process for producing a Cu-Fe-Co-Ti alloy useful as conductor elements in the electronics and connector industries. The alloy is produced in the form of a bath having a Ti/Fe+Co ratio between 0.3 and 1 and a Co/Fe ratio between 0.10 and 0.90. The molten... | 06/25/1991 |
| 5024815 | Copper alloy with phosphorus and iron A copper alloy comprising: (A) 0.15-1.0 wt % Fe, (B) 0.05-0.3 wt % P, and (C) (1) 0.01-0.1 wt % Ni and 0.01-0.05 wt % Si or (2) 0.01-0.1 wt % Ni and 0.005-0.05 wt % b or (3) 0.05-0.3 wt % Mg and 0.05-0.3 wt % Pb or (4) 0.01-0.1 wt % Mn and 0.005-0.05 wt % Si, with the b... | 06/18/1991 |
| 5017250 | Copper alloys having improved softening resistance and a method of manufacture thereof A method for the manufacture of copper base alloys having improved resistance to thermally induced softening is provided. The alloy composition is selected so that the alloy undergoes either a peritectic or eutectic transformation during cooling. The soli... | 05/21/1991 |
| 4986856 | Fine copper wire for electronic instruments and method of manufacturing the same A fine copper wire for electronic instruments is disclosed which comprises 0.05 to 10 ppm in total amount of either one or not less than two kinds of Ti, Zr, V, Hf, Cr, Ca, Mg, Y and rare-earth elements, 1 to 30 ppm of oxygen and the remainder of Cu. A me... | 01/22/1991 |
| 4869758 | Iron/copper/chromium alloy material for high-strength lead frame or pin grid array An iron/copper/chromium alloy material for a high-strength lead frame or pin grid array, which comprises 20 to 90% by weight of Cu and 2.5 to 12% by weight of Cr, with the balance being mainly iron, and which has an average grain size number of at least 1... | 09/26/1989 |
| 4838959 | Method for manufacturing high strength copper alloy wire A method for processing a copper alloy wherein the alloy comprises from 0.2-1.0% beryllium, 1.4-2.2% nickel or cobalt and remainder copper. Said method comprising one or more processing steps and characterized in that said steps conclude with cold working... | 06/13/1989 |
| 4818283 | Dispersion hardened copper alloys and production process therefore A process for producing a dispersion hardened copper alloy includes admixing to a copper melt from 0.3 to 15 weight % of molybdenum to provide a mixture which is a melt; superheating the mixture to a temperature ranging from about 200° C. to about 1000°... | 04/04/1989 |
| 4755235 | Electrically conductive precipitation hardened copper alloy and a method for manufacturing the same An electrically conductive copper alloy material for such as electric wires is disclosed whose grain size number is adjusted to be not less than 7 (JIS G 0551) which corresponds substantially to ASTM E112 by making an ingot of a copper alloy containing Cr... | 07/05/1988 |
| 4727002 | High strength copper alloy wire A wire having a tensile strength of at least 95 psi and conductivity of at least 60 percent IACS is provided. The wire is manufactured from a precipitation hardenable alloy, the alloy consisting essentially of about 0.38 percent beryllium, 1.66 percent ni... | 02/23/1988 |
| 4724013 | Processing of copper alloys and product This invention is directed to the treatment of copper beryllium alloys, and to articles and parts made therefrom, containing special small amounts of beryllium and cobalt, e.g., about 0.2% to about 0.5% beryllium and about 0.2% to about 1% or about 1.5% o... | 02/09/1988 |
| 4704253 | Copper alloy for a radiator fin A copper alloy for use in the manufacture of a radiator fin contains 10 to 150 ppm of tellurium and 20 to 110 ppm of phosphorus, both by weight, as well as copper and unavoidable impurities.... | 11/03/1987 |
| 4666795 | Clad material for ornamental use In construction of a clad material for ornamental use such as eyeglass frames and watch bands, use of age-hardenable alloy sheath followed by age-hardening enables production of product with light weight, high mechanical strength, excellent workability an... | 05/19/1987 |
| 4640723 | Lead frame and method for manufacturing the same A lead frame consists of a copper alloy containing 0.1 to 1% by weight of chromium and 0.001 to 0.5% by weight of zirconium and having a precipitate with a grain size of 0.5 to 50 μm distributed therein at a rate of 1,000 to 10,000 grains/mm2.... | 02/03/1987 |
| 4606889 | Copper-titanium-beryllium alloy Disclosed is a moderate electrical conductivity copper alloy containing titanium and beryllium wherein the ratio of titanium to beryllium is about 10:1. The alloy has an outstanding combination of useful engineering properties: mechanical strength, physic... | 08/19/1986 |
| 4599119 | Age-hardening copper titanium alloy An age-hardening copper titanium alloy containing 2 to 6% by weight of titanium, and composed of a substantially fully solution heat-treated structure having an average crystal grain size not exceeding 25 microns. When the alloy is cold-rolled after its s... | 07/08/1986 |
| 4589930 | Casting metal mold and method of producing the same A casting metal mold made of a copper alloy consisting essentially of 0.01 to 3 wt % of zirconium, 0.03 to 5 wt % of titanium and, as required, 0.03 to 2 wt % of chromium and the balance substantially copper, the copper alloy having a structure in which p... | 05/20/1986 |
| 4565586 | Processing of copper alloys This invention is directed to the treatment of copper beryllium alloys, and to articles and parts made therefrom, containing special small amounts of beryllium and cobalt, e.g., about 0.05% to about 0.5% beryllium and about 0.05% to about 2% cobalt, which... | 01/21/1986 |
| 4551187 | Copper alloy This invention is directed to age hardenable copper beryllium alloys, and to articles and parts made therefrom, which contain special small amounts of beryllium and cobalt; e.g., about 0.2% to about 0.5% beryllium and about 0.2% to about 0.4% cobalt, whic... | 11/05/1985 |
