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| Number | Title | Issue Date |
| 7798389 | Flux for soldering, soldering method, and printed circuit board A flux for soldering used when soldering is performed to a board subjected to electroless nickel plating, the flux containing resin having film forming ability, activator, and solvent, and further containing metallic salt in an amount of 0.1 to 20% by weight of the ... | 09/21/2010 |
| 7428979 | Process for soldering an electronic component on an electronic card, process for repairing the card and installation for using the process A process for soldering an electronic component onto a support which includes at least one heat drain for the component. The method uses a solder paste which incorporates a stripping flux activated at a first temperature, and a solder alloy melted at a second temper... | 09/30/2008 |
| 7368035 | Method for brazing and adhesive bonding An improved method for joining together the edge portions of first and second panels includes applying a heat curable adhesive along the edge portion of the first panel and then abutting the edge portion of the second panel with the edge portion of the first panel s... | 05/06/2008 |
| 7344061 | Multi-functional solder and articles made therewith, such as microelectronic components Aspects of the invention provide solder compositions which include two different fluxing agents. One of the fluxing agents promotes melting of a metal of the solder at a first activation temperature and the other fluxing agent promotes melting of the metal at a seco... | 03/18/2008 |
| 7337941 | Flux coated brazing sheet A brazing flux mixture comprised of brazing flux, a polyvinyl butyral resin binder, and an organic solvent which can be applied over an entire aluminum alloy brazing sheet, or can be applied on the brazing sheet only where metallurgical bonds or joints are required,... | 03/04/2008 |
| 7316506 | Dual temperature indicator stick holder An apparatus to combine temperature indicator sticks used in the welding, metal fabrication, and heat treatment industries and capable of identifying at least two given temperatures is disclosed. The apparatus includes a first temperature indicator stick aligned alo... | 01/08/2008 |
| 7241348 | Flux for solder paste and solder paste A flux for solder paste contains a dicarboxylic acid of carbon number 3 to 5 and a dicarboxylic acid of carbon number 15 to 20 as an activator, which prevents skinning or changes by aging of viscosity. In actual use, the solder paste of the present invention can mai... | 07/10/2007 |
| 7201304 | Multi-functional solder and articles made therewith, such as microelectronic components Aspects of the invention provide solder compositions which include two different fluxing agents. One of the fluxing agents promotes melting of a metal of the solder at a first activation temperature and the other fluxing agent promotes melting of the metal at a seco... | 04/10/2007 |
| 7182241 | Multi-functional solder and articles made therewith, such as microelectronic components Aspects of the invention provide solder compositions which include two different fluxing agents. One of the fluxing agents promotes melting of a metal of the solder at a first activation temperature and the other fluxing agent promotes melting of the metal at a seco... | 02/27/2007 |
| 7070088 | Method of semiconductor device assembly including fatigue-resistant ternary solder alloy Method for assembling a semiconductor device having fatigue-resistant interconnection fillet provides a semiconductor chip with at least one solder bump comprising an alloy of tin and lead with a melting temperature higher than the solder paste used. Further, a sold... | 07/04/2006 |
| 6998572 | Light energy processing device and method A machining apparatus includes a light source (1) for generating light energy, an optical system (2, 3) for guiding the generated light energy to a joint position of a workpiece, a table (5a) on which the workpiece is mounted, and a heati... | 02/14/2006 |
| 6915942 | Method of manufacturing mount structure without introducing degraded bonding strength of electronic parts due to segregation of low-strength/low-melting point alloy A method of manufacturing a mount structure according to the present invention which forcedly cools down a melted solder paste on a printed circuit board at a cooling speed of 1.5° C./second or higher to solidify the solder paste when an electronic part is mounted ... | 07/12/2005 |
| 6915944 | Soldering flux, solder paste and method of soldering The present invention relates to a soldering flux, a soldering paste and a soldering method that achieve a sufficient degree of bonding strength even when components are mounted at a higher density, components are further miniaturized or components are mounted with ... | 07/12/2005 |
| 6902097 | Electrically conductive wire A method of soldering comprises disposing first and second balls of solder adjacent one another on a wire; disposing flux on the wire between and in contact with both of the first and second balls and so as to substantially fill a space between the first and second ... | 06/07/2005 |
| 6902102 | Soldering method and solder joint member In a soldering method for soldering an electronic component including a palladium or palladium alloy layer formed on a surface of the electronic component and also including a soldering lead terminal onto a printed wiring board including a soldering land and plated ... | 06/07/2005 |
| 6854633 | System with polymer masking flux for fabricating external contacts on semiconductor components A polymer masking flux for fabricating external contacts on semiconductor components includes a polymer resin, a fluxing agent and a curing agent. The flux is configured to clean contact pads for the external contacts, and to hold the external contacts on the contac... | 02/15/2005 |
| 6805280 | Z interconnect structure and method The current invention provides a method of attaching a plurality of cores wherein a core has a via with a conductive surface to be electrically connected to a conductive surface on another core. The method provides for applying a metallurgical paste to a conductive ... | 10/19/2004 |
| 6796482 | Phase separated system for fluxing A solder flux composition (19) is provided which comprises active ingredients and a carrier. The solder flux composition undergoes a phase separation during solder reflow to form at least a first phase (21) and a second phase (23), such that the... | 09/28/2004 |
| 6656290 | Soldering paste for hard-soldering and coating aluminum and aluminum alloys A soldering paste for hard-soldering and coating working parts made of aluminum or aluminum alloys, which contains 25 to 35 percent in weight of a water-miscible organic binding agent on the basis of aliphatic glycols, 25 to 45 percent in weight of an alu... | 12/02/2003 |
| 6648212 | Components coated with an aluminum-silicon alloy Components composed of aluminum or an aluminum alloy with a coating comprising an aluminum-silicon alloy deposited thereon by applying an alkali metal fluorosilicate and heating the resulting treated material. The alloy layer is effectively protected agai... | 11/18/2003 |
| 6601754 | Method of connecting circuit boards The invention provides metal connecting composition for connecting metal to metal with removing oxide film on the mother metal surface. The metal connecting composition contains metal particles and hydrocarbon compound having C--H bonding dissociation ene... | 08/05/2003 |
| 6592020 | Lead-free solder paste The invention relates to a lead-free solder paste comprising a solder paste flux and solder alloy particles that are substantially lead-free wherein the solder paste flux comprises resin dissolved in a solvent and also includes undissolved resin particles... | 07/15/2003 |
| 6554180 | Lead-free solder paste A lead-free solder paste suitable for soldering chip parts includes a powder of a twin-peak Sn-based solder alloy containing 0.2-1.0 mass % of Ag and a flux. The solder alloy has a first peak of heat absorption in a differential scanning calorimeter curve... | 04/29/2003 |
| 6476487 | Solder circuit A method of forming a solder film on a metallic surface such as a pad of a metallic circuit of a printed circuit board and a lead frame of electronic parts, which is capable of forming a precise and fine pattern and which comprises selectively imparting t... | 11/05/2002 |
| 6460755 | Bump forming method and apparatus therefor There are disclosed a solder bump forming method and an apparatus therefor, which achieve a high reliability, and an electronic part, produced by this method and this apparatus, is also disclosed. For each of the step of arraying solder balls, the step of... | 10/08/2002 |
| 6422451 | Interconnection of aluminum components A method of interconnecting components (10, 16) of aluminium having a purity of at least 95%, the method comprising brazing the components (10, 16) together and then surface treating the assembled componetns (10, 16) by subjecting them to a Bohmitting pro... | 07/23/2002 |
| 6409074 | Flux compositions for brazing aluminum, their films and brazing method A flux composition for brazing aluminum, comprising a fluoride flux, at least one selected from a butyl rubber and a petroleum resin, and a solvent. The novel flux composition has excellent processing properties and provides brazed areas (fillets) with go... | 06/25/2002 |
| 6402013 | Thermosetting soldering flux and soldering process A soldering flux suitable for soldering of small electronic components comprises 0.1-50 mass percent of an organic acid, 5-40 mass percent of a solvent, and 10-95 mass percent of a thermosetting resin (including a curing agent), which is preferably a bisp... | 06/11/2002 |
| 6386431 | Vacuum insulated coffee server manufacturing process A process for manufacturing a vacuum insulated stainless steel coffee server, which includes the steps of welding an outer shell (32) to an inner liner (34) then placing a ceramic ring (38) in a vacuum base (40) and slipping the vacuum base on the shell w... | 05/14/2002 |
| 6355101 | Flux transfer apparatus A flux transfer apparatus has a frame having an aperture portion in its lower central portion, and a mesh is stretched across the frame with a high tension and with a mesh pitch at least smaller than the diameter of projections to be formed therein is use... | 03/12/2002 |
| 6333494 | Method of induction brazing transformer strands to base plate A method of brazing a plurality of copper strands to a buss bar includes: a) cleaning the buss bar and the copper strands; b) positioning a filler shim on the surface of the buss bar; c) placing a copper strand on the filler shim, the filler shim and the ... | 12/25/2001 |
| 6244497 | Method for soldering aluminum and soldering rod therefor A method for repairing and joining aluminum alloy articles and structures, such as heat exchangers for use in automotive applications. The method utilizes a flux-coated soldering rod (10) that is used to deliver a solder alloy (12) and a flux compound to ... | 06/12/2001 |
| 6221506 | Bushing base with mounted nozzles The invention relates to a method of manufacturing a bushing baseplate, and to a bushing baseplate. The bushing baseplate is characterized in that it comprises tips (18) constituted by hollow tubular elements of outside diameter slightly smaller than the ... | 04/24/2001 |
| 6184475 | Lead-free solder composition with Bi, In and Sn A lead-free solder alloy composition contains Sn, Bi and In, with respective contents such that the solder alloy composition provides a liquidus temperature below the heat resistant temperature of a work to be soldered. The alloy contains not more than ab... | 02/06/2001 |
| 6170735 | Soldering method using a flux containing borneol A soldering flux containing borneol, which is also referred to as bornyl alcohol. A method soldering using such a flux is also disclosed. Even minor proportions of borneol in the flux help reduce ionic residue from the flux after soldering. Larger proport... | 01/09/2001 |
| 6142363 | Soldering method using soldering flux and soldering paste Provided are a soldering flux or paste containing an organic substance which has at least two hydroxyl (--OH) groups in a molecule and of which the temperature at which the mass % becomes approximately 0% is not lower than approximately 170° C. and not l... | 11/07/2000 |
| 6120848 | Method of making a braze sheet A method is disclosed of making a braze sheet for a brazed assembly. The method includes the steps of providing a sheet of a core material and a composition cladding and mechanically embedding a flux into the sheet.... | 09/19/2000 |
| 6070789 | Method for soldering aluminum and soldering rod therefor A method for repairing and joining aluminum alloy articles and structures, such as heat exchangers for use in automotive applications. The method utilizes a flux-coated soldering rod (10) that is used to deliver a solder alloy (12) and a flux compound to ... | 06/06/2000 |
| 6068177 | Continuous hot rolling method A continuous hot rolling method including the steps of: cutting the tail portion of a preceding material in a steel product and the front portion of a succeeding material in the steel product to form butt faces; previously determining the thickness of sca... | 05/30/2000 |
| 5984161 | Flux-encased resilient solder preforms and process for the preparation thereof Relatively resilient flux encasings for solder preforms are obtained when a mixture of 5 to 30 wt. % potassium silicate having a molar ratio of K2 O:SiO2 ranging from 1:2.5 to 1:4.5, 0.5 to 10 wt. % concentrated phosphoric acid, 0.1 ... | 11/16/1999 |
