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8117982 Method and apparatus for depositing coplanar microelectronic interconnectors using a compliant mold  
A method and apparatus for the formation of coplanar electrical interconnectors. Solder material is deposited onto a wafer, substrate, or other component of an electrical package using a complaint...
8096464 Solder-bearing articles and method of retaining a solder mass along a side edge thereof  
A method and device for depositing a solder mass within a plated opening that is formed in a side edge of an electronic device includes the steps of carrying the solder mass in a carrier device and...
8061578 Solder preform  
A solder preform has gaps extending from the boundary of preform towards the preform center. During reflow soldering, the gaps close from the center towards the boundary. This allows flux and...
8020745 Solder ball  
An object of the present invention is to improve a yield of electronic devices in a ball mounting process by preventing a micro-bonding and change in color of the solder balls, and to improve a...
7946467 Braze material and processes for making and using  
A braze material and processes for making and using the material, such as for use in the manufacturing, coating, repair, and build-up of superalloy components. The braze material is composed of...
7879460 Welding wire and vehicle component manufactured using the same  
Disclosed is a welding wire for joining cast iron and stainless steel, having a composition of 0.03 wt % or less of C, 2.0˜3.0 wt % of Si, 12.0˜14.0 wt % of Mn, 7.0˜9.0 wt % of Cr, 45.0˜47.0 wt % o...
7857189 Gold alloy wire for bonding wire having high initial bondability, high bonding reliability, high roundness of compression ball, high straightness, and high resin flowability resistance  
There is provided a gold alloy wire for a bonding wire having high initial bonding ability, high bonding reliability, high roundness of a compression ball, high straightness, and high resin...
7793820 Solder preform and a process for its manufacture  
A mixed mother alloy is prepared from a solder mixture comprising a pyrolyzable flux and high melting point metal particles, the mixed mother alloy is charged into a large amount of molten solder...
7784669 Method and process for reducing undercooling in a lead-free tin-rich solder alloy  
Briefly, a novel material process is disclosed wherein one or more nucleation modifiers are added, in trace amounts, to a lead-free tin-rich solder alloy to produce a solder composition with reduce...
7780058 Braided solder  
Improved solder and soldering methods are disclosed. In accordance with one technique, a solder having a plurality of individual wire strands braided together is used. In accordance with another...
7775414 Consumable insert and method of using the same  
A consumable insert (10) formed of material particles (14) contained within a sheath (12). The particles may be a melting point depressant that has a concentration that is greater in a center...
7754343 Ternary alloy column grid array  
Techniques and structures have been developed for providing lead-free column grid array interconnect structures. An exemplary interconnect has a body, a first joint, and a second joint, all having...
7750475 Lead-free solder ball  
A Sn—Ag—Cu based lead-free solder ball which does not undergo yellowing of its surface when formed into a solder bump on an electrode of an electronic part such as a BGA package. The solder bal...
7745013 Solder foams, nano-porous solders, foamed-solder bumps in chip packages, methods of assembling same, and systems containing same  
A foamed solder or a nano-porous solder is formed on a substrate of an integrated circuit package. The foamed solder exhibits a low modulus that resists cracking during shock and dynamic loading....
7735718 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...
7703661 Method and process for reducing undercooling in a lead-free tin-rich solder alloy  
Briefly, a novel material process is disclosed wherein one or more nucleation modifiers are added, in trace amounts, to a lead-free tin-rich solder alloy to produce a solder composition with...
7691282 Hydrofluoroether compounds and processes for their preparation and use  
Disclosed is a hydrofluoroether compound comprising two terminal fluoroalkyl groups and an intervening substituted or unsubstituted oxymethylene group, each of the fluoroalkyl groups comprising...
7690551 Die attach by temperature gradient lead free soft solder metal sheet or film  
A die attach process employs a temperature gradient lead free soft solder metal sheet or thin film as the die attach material. The sheet or thin film is formed to a uniform thickness and has a heat...
7681777 Solder paste and printed circuit board  
In a solder paste formed by blending an alloy powder and a flux, the alloy powder is a powder mixture formed by mixing at least one powder of a Sn—Zn based alloy and at least one powder of a S...
7654438 Copper-based brazing alloy and brazing process  
The invention proposes a brazing alloy, which can be produced in particular as a homogenous, ductile, amorphous brazing foil and consists of 2 to 20 atom % of nickel, 2 to 12 atom % of tin, 0.5 to...
7611778 Simultaneous multi-alloy casting  
A method of casting a multi-layered metal ingot including the steps of delivering a metallic divider member into a direct chill mold, pouring a first molten metal into the mold on one side of the...
7597233 Apparatus and method of mounting conductive ball  
There is provided a conductive ball mounting apparatus for mounting one conductive ball on each of a plurality of connection pads formed on a substrate. The conductive ball mounting apparatus...
7569164 Solder precoating method  
A solder paste composition used in a solder precoating method of forming solder bumps by forming a dam around electrodes on a substrate, filling a solder paste composition on the electrodes within...
7533793 Solder preforms for use in electronic assembly  
A solder preform for use to attach an electronic component to a substrate. The preform is for placement by a pick-and-place machine using a vacuum nozzle which picks the preform from a preform...
7527187 Titanium braze foil  
The present invention provides a braze foil comprising titanium and zirconium layers covered by one or more layers of copper, nickel or an alloy of copper and nickel such that neither the zirconium...
7523852 Solder interconnect structure and method using injection molded solder  
Improved interconnects are produced by injection molded solder which fills mold arrays with molten solder so that columns that have much greater height to width aspect ratios greater than one are...
7524698 Handling and positioning of metallic plated balls for socket application in ball grid array packages  
A method and apparatus for handling and positioning half plated balls for socket application in ball grid array packages. The half plated balls, comprising a first side adapted to be soldered and a...
7486480 Head gimbal assembly method with solder fillet formed by laser irradiating a shaped solder mass  
Embodiments of the invention relate to making reconnection when a soldered connection fails in a head/slider used in a magnetic disk drive. In one embodiment, a solder mass deposited on a slider...
7461772 Silver/aluminum/copper/titanium/nickel brazing alloys for brazing WC-Co to titanium alloys  
A brazing material including about 20 to about 60 percent by weight silver, about 1 to about 4 percent by weight aluminum, about 20 to about 65 percent by weight copper, about 3 to about 18 percent...
7451906 Products for use in low temperature fluxless brazing  
A brazing product for low temperature fluxless brazing comprises a filler metal-forming composition which melts in the range from about 380-575° C. The filler metal-forming composition comprises ...
7422721 Lead-free solder and soldered article  
A lead-free solder includes at least one selected from 0.01 to 1% by weight of Co, 0.01 to 0.2% by weight of Fe, 0.01 to 0.2% by weight of Mn, 0.01 to 0.2% by weight of Cr, and 0.01 to 2% by weight...
7422141 Microparticle loaded solder preform allowing bond site control of device spacing at micron, submicron, and nanostructure scale  
In one embodiment, a solder preform includes a solder matrix having microparticles secured with the solder matrix. The microparticles are constructed so as to be capable of arranging during a...
7410088 Solder preform for low heat stress laser solder attachment  
A solder preform for attaching an optical fiber having a diameter to a fiber attach pad, the solder preform comprising a body including solder at least on a bottom surface thereof, the body having...
7387230 Brazing filter metal sheet and method for production thereof  
In order to provide a brazing sheet having excellent workability, a powder of a brazing filler metal composition is obtained from a single type of powder or by mixing two or more powders to form...
7357291 Solder metal, soldering flux and solder paste  
Solder metal consists essentially of 8.8 to 5.0 mass % of Zn, 0.05 to 0 mass % of Bi and the balance of Sn and unavoidable impurities.
7331498 Method for refining and homogeneously distributing alloying partners and for removing undesirable reaction products and slags in or from soft solder during the production of fine solder powder  
Method for refining and homogeneously distributing alloying partners and for removing undesired reaction products such as oxides and/or slag in or from soft solder during the production of fine...
7318547 Method for assembling parts made of materials based on SiC by non-reactive refractory brazing, brazing composition, and joint and assembly obtained by said method  
Method for assembling at least two pieces of silicon carbide based materials by non reactive refractory brazing, wherein these pieces are put into contact with a non reactive brazing solder...
7293688 Gold/nickel/copper/aluminum/silver brazing alloys for brazing WC-Co to titanium alloys  
A brazing material including about 2 to about 30 percent by weight gold, about 4 to about 14 percent by weight nickel, about 25 to about 65 percent by weight copper, about 1 to about 3 percent by...
7222776 Printed wiring board and manufacturing method therefor  
A printed wiring board has a circuit substrate 6 having a conductor circuit 5 and a through hole 60, and also has a joining pin 1 inserted into the through hole. The joining pin is manufactured by...
7224067 Intermetallic solder with low melting point  
Embodiments of the invention provide a low-melting temperature comprised primarily of a bulk intermetallic phase material. This solder may allow reflow with less of a chance to damage...
7219825 SnAgAu solder bumps, method of manufacturing the same, and method of bonding light emitting device using the same  
Provided are a solder bump, a method of manufacturing the same, and a method of bonding a light emitting device using the method of manufacturing the solder bump. In particular, the solder bump is...
7220493 Lead-free solder, and a lead-free joint  
A solder not containing lead (a lead-free solder) contains zinc and tin, and also contains 5 weight percent or less nickel and 0.5 weight percent or less aluminum with a liquid phase temperature of...
7189083 Method of retaining a solder mass on an article  
A method of retaining a solder mass to a solder-bearing article is provided and includes the steps of: (a) forming a plurality of openings in the solder-bearing article; (b) disposing a length of...
7160504 Alloy type thermal fuse and fuse element thereof  
The invention provides a thermal fuse and a fuse element of the low-melting fusible alloy type. The fuse element has an alloy composition in which a total of 0.01 to 7 weight parts of at least one...
7157150 Brazing titanium to stainless steel using layered particulate  
A method of bonding a stainless steel part to a titanium part by heating a component assembly comprised of the titanium part, the stainless steel part, and a compact titanium-nickel filler material...
7156280 Braze alloy compositions  
A nickel-based high-temperature braze alloy composition includes Cr, Hf, and B. Furthermore, a cobalt-based high-temperature braze alloy composition includes Cr, Hf, and B. The braze alloys can be...
7100815 Diebond strip  
A titanium alloy strip has a reduced cross section in the central region of the strip. By concentrating heat in this central region the process of bonding laser devices to a substrate is greatly...
7097090 Solder ball  
A solder ball is formed from an Sn—Pb alloy which consists essentially of about 2–65 mass % of Sn, 0–5 mass % of Ag, about 0.1–1 mass % of Sb, and 0.01–0.1 mass % of Cu, and 0.01–0.1 mass % of B...
7036710 Method and structures for implementing impedance-controlled coupled noise suppressor for differential interface solder column array  
A method and structures are provided for implementing an impedance-controlled coupled noise suppressor for a differential interface solder column array used to join a substrate to a circuit card....
7036709 Method and structure for implementing column attach coupled noise suppressor  
A method and structure are provided for implementing a column attach coupled noise suppressor for a solder column structure of the type used to join a substrate to a circuit card. The electrical...
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