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| Number | Title | Issue Date |
| 7533795 | Welding process A weld process cuitable for repairing precipitation-strengthened superalloys, and particularly gamma prime-strengthened nickel-based superalloys. The process entails forming a weldment in a cavity present in a surface of an article formed of a precipitation-strength... | 05/19/2009 |
| 7413110 | Method for reducing stress between substrates of differing materials A method (80) of reducing stress between substrates of differing materials includes the steps of applying (82) solder (16) on a first substrate (14), reflowing (84) the solder on the first substrate to form a cladded substrate (... | 08/19/2008 |
| 7360991 | Methods and apparatus for fabricating gas turbine engines Methods and apparatus of fabricating a gas turbine engine component are provided. The method includes selecting a surface of a component to apply a wear-resistant material, applying a formed wear pad fabricated from a wear-resistant alloy and a braze material, and v... | 04/22/2008 |
| 7360678 | Repair and reclassification of superalloy components Novel materials and methods for repairing/reclassifying superalloy components are described herein. These materials are non-traditional blends of materials having a much higher base material content than traditional repair/reclassification materials. In embodiments ... | 04/22/2008 |
| 7331503 | Solder printing process to reduce void formation in a microvia In one embodiment, a method is provided. The method comprises filling a microvia formed in a bond pad with solder paste comprising solder balls of the first size; and coating the bond pad with solder paste comprising solder balls of the second size, wherein the seco... | 02/19/2008 |
| 7331755 | Method for coating gas turbine engine components A method for assembling a vane sector for a gas turbine engine, the vane sector including an airfoil vane and a platform includes depositing a wear coating material onto a selected area of the platform, positioning the platform adjacent to the airfoil vane, and exec... | 02/19/2008 |
| 7329828 | Method for inert gas welding or inert gas soldering of workpieces comprising identical or different metals or metal alloys by means of an additional Zn/Al metal The invention relates to a method for inert gas welding or inert gas soldering of workpieces (A) made of steel, aluminum, magnesium, copper, or the alloys thereof with workpieces (B) made of steel, aluminum, magnesium, copper, or the alloys thereof by using an addit... | 02/12/2008 |
| 7129603 | Corrosion protective coating for extending the lifetime of water cooled stator bar clips A water-cooled stator bar clip for electrical generators and a method for applying a corrosion-resistant protective coating, preferably Sc, Ti, Cr, Zr, Nb, Mo, Hf, Ta, W, Ni, and Al, and their alloys or oxides to existing stator bar end fittings in order to signific... | 10/31/2006 |
| 7022415 | Layered sphere braze material The invention is a method of bonding a ceramic part (6) to a metal part (4) by heating a component assembly (2) comprised of the metal part (4), the ceramic part (6), and a thin laminated interlayer material (8) placed betwe... | 04/04/2006 |
| 6991856 | Methods of making and using freestanding reactive multilayer foils Reactive foils and their uses are provided as localized heat sources useful, for example, in ignition, joining and propulsion. An improved reactive foil is preferably a freestanding multilayered foil structure made up of alternating layers selected from materials th... | 01/31/2006 |
| 6969932 | Application of corrosion protective coating for extending the lifetime of water cooled stator bar clips A water-cooled stator bar clip for electrical generators and a method for applying a corrosion-resistant protective coating, preferably Sc, Ti, Cr, Zr, Nb, Mo, Hf, Ta, W, Ni, and Al, and their alloys or oxides to existing stator bar end fittings in order to signific... | 11/29/2005 |
| 6918531 | Metal foil connection, honeycomb body, metal foil brazing medium particle fraction for metal foils and method for manufacturing a metal foil connection A metal foil connection of first and second metal foils having a thickness of less than 0.05 mm includes a connecting point in which the metal foils are brazed to one another. The connecting point forms a wedge which is filled with brazing medium. A mass of the braz... | 07/19/2005 |
| 6877653 | Method of modifying tin to lead ratio in tin-lead bump A method of modifying the tin to lead ratio of a tin-lead bump forms a patterned solder mask over a substrate that comprises a first tin-lead bump formed thereon, the patterned solder mask having an opening that exposes the tin-lead bump. A solder material including... | 04/12/2005 |
| 6575355 | Solder application technique A method of joining an end face of a first electric component to an end face of a second electric component includes applying a first metal layer to the end face of the first electric component to form a first metallized layer and applying a second metal ... | 06/10/2003 |
| 6543672 | Method of forming vacuum chamber of control valve for variable capacity compressor A vacuum chamber-forming method for forming a vacuum chamber in a power element of a control valve for a variable capacity compressor through a reduced number of steps. A power element is assembled in the atmospheric air by arranging a disk, a diaphragm, ... | 04/08/2003 |
| 6534195 | Connection structure for metallic members and connecting method therefor Sn--Zn alloy is plated on at least one of a first metallic member and a second metallic member, Sn--Ag alloy is used as a solder, the first metallic member and the second metallic member are connected by the solder, and a connection structure of metallic ... | 03/18/2003 |
| 6534194 | Method of making reactive multilayer foil and resulting product In accordance with the invention a reactive multilayer foil is fabricated by providing an assembly (stack or multilayer) of reactive layers, inserting the assembly into a jacket, deforming the jacketed assembly to reduce its cross sectional area, flatteni... | 03/18/2003 |
| 6527165 | Method of making an environmental resistant brazed assembly including a wear resistant surface portion A method is provided for making, from a plurality of members brazed together, an article including an environmental resistant surface coating and a wear resistant surface portion. Prior to brazing, the members are assembled with at least one preform inclu... | 03/04/2003 |
| 6523605 | Heat exchanger made of an aluminum alloy There is disclosed a heat exchanger made of an aluminum alloy having a radiator part (10) and an oil cooler part (11) in combination and manufactured integrally by the brazing method, wherein a refrigerant tank (13) for covering and sealing the oil cooler... | 02/25/2003 |
| 6336583 | Welding process and welded joints The invention relates to a method for forming a welded joint between abutting pieces of steel. The welded joint is produced by first forming a strength weld and then depositing additional weld metal on the toe of the strength weld to form a toughness weld... | 01/08/2002 |
| 6276597 | Tip cap hole brazing and oxidation resistant alloy therefor A tip cap hole is loaded with a first composition comprising particles of a first alloy having a solidus temperature above the brazing temperature. The first composition is covered with a second composition comprising particles of a second alloy having a ... | 08/21/2001 |
| 6199742 | Method and tooling arrangement for diffusing braze weight pressure in brazing of aerostructure honeycomb sandwich panel A method of brazing together a lightweight metallic aerostructure sandwich panel having at least two spaced face sheets and an intermediate honeycomb core layer comprises: providing a tooling base having a determinable upper surface; assembling spaced upper an... | 03/13/2001 |
| 6095404 | Method for assembling high temperature electronics A method for soldering electronic components capable of withstanding high temperature applications. A solder having a composition in the range between 83 and 87% lead, between 8.5 and 11.5% antimony, and the balance of tin provides superior results. The s... | 08/01/2000 |
| 6073831 | Ultrasonic generator for minimizing heat input of magnetostrictive element and its manufacturing method A method of manufacturing an ultrasonic generator adapted to ultrasonic sterilizers, for minimizing the heat input of a magnetostrictive element, comprises the steps of: forming, on a wave guide, melting layers constructed of joining materials such as Al-... | 06/13/2000 |
| 6053394 | Column grid array substrate attachment with heat sink stress relief Structure and method for reinforcing a solder column grid array attachment of a ceramic or the like substrate to a printed circuit board, the reinforcement providing support for a heat sink which is bonded or affixed by pressure to a structural element of... | 04/25/2000 |
| 6027012 | Method for making metal frameworks for dental protheses The present invention relates to a method for making metal frameworks for dental protheses: of the type comprising metallic cops, optionally coated with resin or ceramic material, designed to be anchored in the mouth directly onto the stump of the tooth o... | 02/22/2000 |
| 6024275 | Method of making flip chip and BGA interconnections A method of producing an array of interconnecting contacts for an integrated circuit package, such as a flip chip integrated circuit, and connecting the array of interconnecting contacts to the package utilizes a mold to form the array and attach the arra... | 02/15/2000 |
| 5961032 | Method of fabrication of a multi-component solder column by blocking a portion of a through hole in a mold A method is described for forming solder mounds for attachment to electronic devices. The solder mounds are preferably in the form of columns and comprise a first solder portion and a second solder portion with the two solder portions having different mel... | 10/05/1999 |
| 5806751 | Method of repairing metallic alloy articles, such as gas turbine engine components A method of repairing a metallic alloy article having a defect cavity greater than about 0.010 inches (2.5×10-4 m) in maximum width is disclosed. One aspect of the invention includes providing a first metallic filler material (10) in the defec... | 09/15/1998 |
| 5803344 | Dual-solder process for enhancing reliability of thick-film hybrid circuits A high temperature thick-film hybrid circuit is characterized by a surface-mount circuit component that is electrically interconnected with a conductor. The surface-mount circuit component of the thick-film hybrid circuit is bonded to the conductor with a... | 09/08/1998 |
| 5771962 | Manufacture of heat exchanger assembly by cab brazing A heat exchanger assembly including at least one aluminum based tube having an internal surface and an external surface, an aluminum based lithium-magnesium composition cladding applied to either one of the internal surface and external surface of the tub... | 06/30/1998 |
| 5720340 | Laminated type heat exchanger A laminated type heat exchanger includes a plurality of refrigerant passages which are formed by pairs of core plates. Each core plate comprises an outer covering layer, a core layer, and an inner covering layer. The outer covering layer is made of a braz... | 02/24/1998 |
| 5709338 | Soldering method A soldering is performed in such a manner that two solder portions having different melting points are put between a metallization on a substrate for joining and a part. The chip portion having a higher melting point is made thicker than a solder foil por... | 01/20/1998 |
| 5605283 | Weld joint between two rails arranged behind each other along a rail track Two rail sections are joined by a weld joint (5) between two rails (1,2) arranged one behind another in a lengthwise direction of a rail track (4) and a method for the production of this weld joint (5). The frontal ends (6,7) of the rails (1,2) which are ... | 02/25/1997 |
| 5544698 | Differential coatings for microextruded tubes used in parallel flow heat exchangers Microextruded tubes each having two side surfaces, front and trailing edge surfaces and two ends are provided for insertion into aligned slots in headers to complete a heat exchanger assembly. The tubes each include a first coating composition containing ... | 08/13/1996 |
| 5305946 | Welding process for clad metals A weldment, such as the wall of a pressure vessel, is formed from segments, each of which includes a steel substrate, a protective layer of tantalum which is exposed to the interior of the vessel and an intervening layer of copper which lies between and i... | 04/26/1994 |
| 5234153 | Permanent metallic bonding method A laser device is bonded to a diamond submount by means of a procedure including (1) codepositing an auxiliary layer, on a layer of barrier metal that has been deposited overlying the submount, followed by (2) depositing a wetting layer on the auxiliary l... | 08/10/1993 |
| 4911353 | Solar collector having absorber plate formed by spraying molten metal A method of making a solar energy collector where the absorber plate, selective surface, and protective outer skin of the collector are formed by spraying molten metal particles onto a substrate and building a coating of metal up to a desired thickness. T... | 03/27/1990 |
| 4901908 | Aluminum material for brazing, method of manufacturing same, and method of manufacturing heat exchanger made of aluminum alloy An aluminum material for brazing, comprising a core made of aluminum or an aluminum alloy, and a layer coated on the surface of the core. The layer is made of zinc or an alloy of zinc-and-aluminum and a brazing alloy having a melting point which is lower ... | 02/20/1990 |
| 4896814 | Method of welding inside a groove machined in a solid steel part, and utilization of the method for repairing a cracked rotor A method of welding in a groove (1) machined in a solid alloyed steel part, characterized in that bottom passes (2) are performed and then each wall (11, 13) of the groove (1) is faced with low alloy steel filler material, heat treatment is performed so a... | 01/30/1990 |
