Class / Patent application number | Description | Number of patent applications / Date published |
428576000 | Shaped configuration for melting (e.g., package, etc.) | 33 |
20080305354 | Filler Composition for Welding onto a Substrate - A filler composition for welding onto a substrate is composed of 82.5˜96.5 wt %, aluminum, 3.0˜10.0 wt % copper, 0.2˜1.5 wt % magnesium, 0.1˜1.5 wt % silver, 0.1˜2.0 wt % scandium, 0˜1.5 wt % zirconium, and 0˜1.0 wt % titanium, and can be welded with a high success rate to a substrate (such as an aluminum-copper alloy substrate) and avoiding a hot cracking phenomenon and a low welding strength, so as to achieve the effects of enhancing the yield rate and lowering the cost of a product. | 12-11-2008 |
20090004500 | MULTILAYER PREFORM FOR FAST TRANSIENT LIQUID PHASE BONDING - In some embodiments, a multilayer preform for fast transient liquid phase bonding is presented. In this regard, a method is introduced consisting of forming a plurality of first alloy layers, forming a plurality of second alloy layers, wherein the second alloy has a melting temperature that is higher than the melting temperature of the first alloy, and placing the first and second alloy layers together in an alternating sequence such that there is one more layer of the first alloy than of the second alloy and that the top and bottom layers of the formation are of the first alloy. Other embodiments are also disclosed and claimed. | 01-01-2009 |
20090004501 | PAD AND CIRCUIT BOARD, ELECTRONIC DEVICE USING SAME - A pad for soldering a contact of a surface mounted component is provided herein. The pad includes a central portion and a plurality of separate extending portions extending from the central portion. All of the plurality of separate extending portions includes a free end and a connected end connected to the central portion. A width of the free end is larger than a width of the connected end. A circuit board and an electronic device are also provided. | 01-01-2009 |
20090068489 | HERMETIC SEAL COVER AND METHOD FOR MANUFACTURING THE SAME - The present invention is, in a hermetic seal cover including a seal cover main body and an Au—Sn brazing material fused to a surface of the seal cover main body, a hermetic seal cover characterized in that surface roughness defined by JIS B0601 of the surface of the aforesaid seal cover main body to which the Au—Sn brazing material is fused is 0.005 to 0.25 μm. Here, the Au—Sn brazing material is preferably fused after Au plating is applied to the seal cover main body, and by making the thickness of the Au plating 0.003 to 0.05 μm, a seal cover without inflow of the brazing material to the inside of the package at the time of sealing can be provided. | 03-12-2009 |
20090162686 | BRAZING SHEET OF ALUMINUM ALLOY - A brazing sheet of aluminum alloy composed of a core material and a first brazing filler metal covering one surface of the core material. The core material contains as an essential component 0.2-1.0 mass % of Cu and as optional components at least one species of no more than 1.5 mass % of Si, no more than 1.8 mass % of Mn, no more than 0.35 mass % of Ti, and no more than 0.5 mass % of Mg, with the remainder being Al and inevitable impurities. The first brazing filler metal has a liquid phase ratio (X %) at 600° C. and a thickness (Y μm) such that X and Y satisfy the following relationship: (1) 30≦X≦80, (2) Y≧25, and (3) 1000≦X×Y≦24000. The brazing sheet provides good brazeability and maintains high corrosion resistance after brazing on the surface cladded with the brazing filler metal. | 06-25-2009 |
20090324985 | ALUMINUM ALLOY MATERIAL AND ALUMINUM ALLOY BRAZING SHEET - The present invention provides an aluminum alloy material which is used as a core material for an aluminum alloy brazing sheet and has superior strength at a high temperature. The aluminum alloy material of the present invention is used as a core material C | 12-31-2009 |
20100055489 | SYSTEMS AND METHOD FOR LIQUID METAL SEALS FOR HIGH TEMPERATURE PRESSURIZED TUBE COUPLINGS - A coupling apparatus that may have a first component having a first sealing surface and a second component having a second sealing surface. The first and second sealing surfaces are in facing relationship with one another when the first and second components are coupled together. One of the first and second sealing surfaces has a metallic film layer that transforms into a liquefied metal layer when the metallic film layer is exposed to a temperature that exceeds a melting temperature of a metal from which the metallic film layer is formed. The liquefied metal layer forms a seal between the sealing surfaces. | 03-04-2010 |
20100086802 | Layered products for fluxless brazing of substrates - A brazing product for fluxless brazing comprises a substrate and a filler metal-forming composition applied to the substrate. The substrate preferably comprises aluminum, an aluminum alloy or another metal and may include at least one layer of a ceramic, carbide or nitride. The filler metal-forming composition comprises a liquid-forming layer comprising silicon and a braze-promoting layer comprising one or more metals selected from the group comprising nickel, cobalt, palladium and iron. The liquid-forming layer comprises one or more material layers. Where the liquid-forming layer comprises a plurality of layers, it may include at least one layer consisting essentially of silicon. | 04-08-2010 |
20100104887 | AIRTIGHTLY SEALING CAP, ELECTRONIC COMPONENT STORING PACKAGE AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT STORING PACKAGE - Provided is an airtightly sealing cap, by which a use quantity of Au is reduced in a soldering material for sealing a miniaturized electronic component storing package. An airtightly sealing cap ( | 04-29-2010 |
20100112370 | ALUMINUM ALLOY BRAZING SHEET FOR HEAT EXCHANGER - Disclosed is an aluminum alloy brazing sheet for heat exchangers, which has high strength after brazing, high corrosion resistance and excellent brazability. Specifically disclosed is an aluminum alloy brazing sheet ( | 05-06-2010 |
20100119859 | COMPONENT AND A SOLDER - A component and a solder are provided. The solder is used to repair the component including a base material with a directional microstructure. The solder used includes two constituents, a first constituent and a second constituent, including different grain size distributions. The first constituent of the solder includes a composition that corresponds to or is similar to the base material. | 05-13-2010 |
20100136361 | WELDING MATERIAL AND WELDED JOINT STRUCTURE - A welding material, to be used for welding a base metal made of an austenitic alloy comprising C≦2.0%, Si≦4.0%, Mn: 0.01 to 3.0%, P: more than 0.03% to not more 0.3%, S≦0.03%, Cr: 12 to 35%, Ni: 6 to 80%, sol. Al: 0.001 to 1% and N≦0.3%, with the balance being Fe and impurities to a base metal made of another austenitic alloy, which comprises C: more than 0.3% to 3.0%, Si≦4.0%, Mn≦3.0%, P≦0.03%, S≦0.03%, Cr: more than 22% to 55%, Ni: more than 30% to not more than 70%, sol. Al: 0.001 to 1% and N≦0.3%, with the balance being Fe and impurities can suppress the weld solidification cracking which occurs in an austenitic alloy having a high P content and showing fully austenitic solidification. Therefore, the said welding material can be widely used in such fields where a welding fabrication is required. The said welding material may contain a specific amount or amounts of one or more elements selected from Cu, Mo, W, V, Nb, Ti, Ta, Zr, Hf, Co, B, Ca, Mg and REM. | 06-03-2010 |
20100291400 | ALUMINIUM ALLOYS BRAZING SHEET FOR THIN TUBES - An aluminium alloy brazing sheet comprising: a core material made of an aluminium alloy consisting of ≦0.1 wt % Si, most preferably ≦0.06 wt % Si, ≦0.35 wt % Mg, from 1.0 to 2.0 wt %, preferably 1.4 to 1.8 wt % Mn, from 0.2 to 1.0, preferably 0.6 to 1.0 wt % Cu, ≦0.7 wt % Fe, ≦0.3 wt % each of Zr, Ti, Ni, Hf, V, Cr, In, Sn and ≦0.5 wt % total of Zr, Ti, Ni, Hf, V, Cr, In, Sn, the remainder being Al and unavoidable impurities;
| 11-18-2010 |
20100304175 | HIGH STRENGTH MULTI-LAYER BRAZING SHEET STRUCTURES WITH GOOD CONTROLLED ATMOSPHERE BRAZING (CAB) BRAZEABILITY - The present invention relates to aluminum brazing sheet with high levels of Magnesium in the core layer and having good Controlled Atmosphere Brazing (CAB) brazeability and suitable for use with any commercially available brazing flux, including brazing flux with or without Cesium. | 12-02-2010 |
20110008642 | Method for casting composite ingot - A method and apparatus are described for the casting of a composite metal ingot having two or more separately formed layers of one or more alloys. An open ended annular mould is provided having a divider wall dividing a feed end of the mould into at least two separate feed chambers. For each pair of adjacent feed chambers, a first alloy stream is fed through one of the pair of feed chambers into the mould and a second alloy stream is fed through another of the feed chambers. A self-supporting surface is generated on the surface of the first alloy stream and the second alloy stream is contacted with the first stream. By carefully selecting conditions and positions where the alloy streams meet, a composite metal ingot is formed in which the alloy layers are mutually attached with a substantially continuous metallurgical bond. | 01-13-2011 |
20110020664 | METALLIC MATERIAL FOR A CONNECTING PART AND A METHOD OF PRODUCING THE SAME - A metallic material for a connecting part, having a rectangular wire material of copper or a copper alloy as a base material, and formed at an outermost surface thereof, a copper-tin alloy layer substantially composed of copper and tin, wherein the copper-tin alloy layer of the outermost surface further contains at least one selected from the group consisting of zinc, indium, antimony, gallium, lead, bismuth, cadmium, magnesium, silver, gold, and aluminum, in a total amount of 0.01% or more and 1% or less in terms of mass ratio with respect to the content of the tin. | 01-27-2011 |
20110064963 | THERMAL SPRAY PROCESSES AND ALLOYS FOR USE IN SAME - The present invention provides a method for coating an article comprising applying a thermal spray coating to the article; applying a brazing material to the article; and heating the brazing material to at least a brazing temperature of the brazing material to form a resultant coating on the article, wherein the resultant coating is characterized by at least partial metallurgical bonding or at least partial alloying between the thermal spray coating and the brazing material. | 03-17-2011 |
20110104510 | BONDING STRUCTURE OF BONDING WIRE - The invention is aimed at providing a bonding structure of a copper-based bonding wire, realizing low material cost, high productivity in a continuous bonding in reverse bonding for wedge bonding on bumps, as well as excellent reliability in high-temperature heating, thermal cycle test, reflow test, HAST test or the like. The bonding structure is for connecting the bonding wire onto a ball bump formed on an electrode of a semiconductor device, the bonding wire and the ball bump respectively containing copper as a major component thereof. The bonding structure comprises a concentrated layer A provided at an interface of a bonding part of the ball bump and the bonding wire, wherein the concentration of a metal R other than copper in the concentrated layer A is not less than ten times the average concentration of the metal R in the ball bump; and a concentrated layer B provided at an interface of a bonding part of the ball bump and the electrode, wherein the concentration of the metal R in the concentrated layer B is not less than ten times the average concentration of the metal R in the ball bump. | 05-05-2011 |
20110159310 | Methods of fabricating low melting point solder reinforced sealant and structures formed thereby - Methods and associated structures of forming a package structure including forming a low melting point solder material on a solder resist opening location of an IHS keep out zone, forming a sealant in a non SRO keep out zone region; attaching the IHS to the sealant, and curing the sealant, wherein a solder joint is formed between the IHS and the low melting point solder material. | 06-30-2011 |
20110171485 | FLUX-CORED NICKEL-BASED ALLOY WIRE - A flux-cored nickel-based alloy wire contains, based on the total mass of the wire, 3 to 11 percent by mass of TiO | 07-14-2011 |
20110244262 | Metal Bonding Member and Fabrication Method of the Same - Provided are a metal bonding member having both a high adhesion strength and an excellent heat cycle reliability and a fabrication method of the same. A metal bonding member has a solder layer formed on at least a part of the surface of a metal substrate. The metal bonding member has an adhesion layer formed of metal particles having an excellent wettability with the solder layer in the interface between the solder layer and the metal substrate. The adhesion layer is partially buried in the metal substrate to form an anchor layer. | 10-06-2011 |
20120202088 | CORROSION RESISTANT METAL PRODUCTS - A billet includes a solid steel body and an alloy cladding. The cladding may include a square tube in which the body is inserted with an interface at which the cladding becomes bonded to the body when the billet is heated and rolled or otherwise worked into a ferrous product. At least one element composed of a mass of finely divided scavenging aluminium, titanium or magnesium, is placed in the tube adjacent the body and separate from the interface. The elements are advantageously compressed into briquettes which scavenge oxygen from residual air at the interface to prevent oxidation of the cladding at the interface. The tube may be closed to prevent gases outside the billet from penetrating to the interface. Alternatively, reliance may be placed on the briquettes to scavenge oxygen from the residual air and also from atmospheric air and furnace gases before they can penetrate to the interface. | 08-09-2012 |
20130189536 | ELECTRON-BEAM WELDED JOINT, STEEL FOR ELECTRON-BEAM WELDING, AND METHOD OF MANUFACTURING THE SAME - A steel for electron-beam welding according to the present invention includes at least C: 0.02% to 0.10%, Si: 0.03% to 0.30%, Mn: 1.5% to 2.5%, Ti: 0.005% to 0.015%, N: 0.0020% to 0.0060%, and O: 0.0010% to 0.0035%, further includes S: limited to 0.010% or less, P: limited to 0.015% or less, and Al: limited to 0.004% or less, with a balance including iron and inevitable impurities. An index value CeEBB obtained by substituting composition of the steel into following Formula 1 falls in the range of 0.42 to 0.65%, the number of oxide having an equivalent circle diameter of 1.0 μm or more is 20 pieces/mm | 07-25-2013 |
20130224510 | SYSTEM INCLUDING THERMAL INTERFACE MATERIAL - A system for heat transfer along with the method of preparation of the same is described. System includes a first surface, a second surface, and an interface material. The interface material is disposed between the first and second surfaces such that it is solid at an assembling temperature and liquid at an operating temperature. The first surface of the system is configured to adhere to the solid and liquid thermal interface material, and the second surface is configured to adhere to the liquid thermal interface material and be detachable from the solid interface material. The method of preparation of the system includes disposing the first surface, an interface material, and a second surface, heating the interface material to above its melting point and then cooling to a temperature below melting point to detach and remove the second surface from the interface material. | 08-29-2013 |
20130244051 | ALUMINUM-ALLOY CLAD SHEET - There are provided an aluminum-alloy clad sheet and a clad sheet subjected to heating equivalent to brazing, which each have a high strength and an excellent erosion resistance and thus allow a reduction in thickness of a clad sheet subjected to heating equivalent to brazing such as an aluminum alloy radiator tube, and/or of a clad sheet such as an aluminum-alloy brazing sheet. An aluminum-alloy clad sheet or a clad sheet subjected to heating equivalent to brazing includes at least a core aluminum alloy sheet and an aluminum-alloy sacrificial anti-corrosive material cladded with each other, and is to be formed into a heat exchanger by brazing. The core aluminum alloy sheet includes a specified 3000 series composition. Furthermore, the strength and the erosion resistance of the core aluminum alloy sheet are improved through control of grain size distribution of precipitates having a size in a specified level in the core aluminum alloy sheet, or control of the average number density and the composition of dispersed particles therein. | 09-19-2013 |
20140057125 | MAGNESIUM HYBRID PARTS AND PROCESSES - A light weight alloy part is molded in a mold containing at least one weldable metal insert, so that portions of portions of the alloy part lap portions of the insert to securely lock the weldable insert to the light weight alloy part. The resulting hybrid part is thus both light weight and weldable to other assemblies and sub-assemblies. | 02-27-2014 |
20140141273 | Lead-Free Solder Alloy - By using a solder alloy consisting essentially of 0.2-1.2 mass % of Ag, 0.6-0.9 mass % of Cu, 1.2-3.0 mass % of Bi, 0.02-1.0 mass % of Sb, 0.01-2.0 mass % of In, and a remainder of Sn, it is possible to obtain portable devices having excellent resistance to drop impact and excellent heat cycle properties without developing thermal fatigue even when used in a high-temperature environment such as inside a vehicle heated by the sun or in a low-temperature environment such as outdoors in snowy weather. | 05-22-2014 |
20140193658 | LOW VOID SOLDER JOINT FOR MULTIPLE REFLOW APPLICATIONS - Methods and apparatus are provided for attaching a heat spreader to a die and includes disposing a solder thermal interface material between a first surface of a die and a first surface of a heat spreader without disposing a liquid flux between the die and the heat spreader to form an assembly, wherein at least one of the first surface of the die and a first surface of the heat spreader have disposed thereon a metallization structure comprising a transition layer and a sacrificial metallization layer, the sacrificial metallization layer disposed as an outer layer to the metallization structure adjacent the solder thermal interface material; and heating the assembly to melt the thermal interface and attach the die to the heat spreader. | 07-10-2014 |
20140287258 | METHOD FOR AFFIXING A METAL SHEET TO A CARBON STRUCTURE USING A BRAZING AND SOLDERING PROCESS - An assembly comprises a carbon structure ( | 09-25-2014 |
20140329106 | BONDING WIRE AND METHOD FOR MANUFACTURING SAME - It is an object of the present invention to provide a bonding wire capable of maintaining a structure and a configuration thereof at the time of performing wire bonding; and a manufacturing method thereof. Provided is a bonding wire having a core member mainly composed of copper; and a palladium coating layer. Particularly, formed in a center of the core member is a fibrous structure with copper crystals extending in an axial direction. | 11-06-2014 |
20160008929 | Filler Metal With Flux For Brazing and Soldering and Method of Using Same | 01-14-2016 |
20160175989 | Soldering Structure and Process of Making the same | 06-23-2016 |
20160200074 | DESIGN OF SANDWICH STRUCTURES INCLUDING A POLYMERIC/ELECTRICALLY NON-CONDUCTING CORE FOR WELDABILITY | 07-14-2016 |