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| Number | Title | Issue Date |
| 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 |
| 6607613 | Solder ball with chemically and mechanically enhanced surface properties A metal alloy solder ball comprising a first metal and a second metal, the first metal having a sputtering yield greater than the second metal. The solder ball comprises a bulk portion having a bulk ratio of the first metal to the second metal, an outer s... | 08/19/2003 |
| 6586831 | Vacuum package fabrication of integrated circuit components A vacuum package for integrated circuit devices includes a sealing ring having multiple control spacers of uniform thickness distributed around the sealing ring. The sealing ring is in a designated area on a substrate, material and surrounds one or more i... | 07/01/2003 |
| 6512205 | Gettering system for brazing heat exchangers in CAB furnace A gettering system for a CAB furnace includes a nitrogen gas source to supply a nitrogen gas to a controlled atmosphere brazing (CAB) furnace and an active metal getter source disposed within the CAB furnace and being a sheet to remove oxygen and water va... | 01/28/2003 |
| 6382500 | Solder reflow furnace with flux effluent collector and method of preventing flux contamination When soldering semiconductor devices in a solder reflow furnace flux is vaporized and carried to the furnace exhaust pipe. The flux condenses on the walls of the exhaust pipe and drips back into the furnace contaminating production parts. A solder reflow ... | 05/07/2002 |
| 6199750 | Method of manufacturing core of heat exchanger The top peaks of the outer fin are coated with slime-like flux. A sandwich unit is assembled from the outer fin and the tube plates by attaching the tube plates to the respective sides of the outer fin such that the surfaces of the tube plates having the ... | 03/13/2001 |
| 6062464 | Method of brazing aluminium with flux and a furnace therefor So that the brazing of aluminium parts with the use of a flux can be made effectively without employment of a corrodible metallic muffle, furnace inner walls made of carbonaceous refractory sheets are utilized as a brazing space, and an inert atmosphere s... | 05/16/2000 |
| 5921461 | Vacuum package having vacuum-deposited local getter and its preparation A vacuum package (20) is fabricated by providing a package base (22) with a device (32) affixed to the interior of the package base (22), and a package lid (42). An activatable getter material (54) is deposited onto a preselected region of either the inte... | 07/13/1999 |
| 5911357 | Brazing method with flux of alminium and furnace therefor A method of brazing aluminium parts with a solder of a melting point of 500-630° C. and a flux of a melting point of 550-500° C., the brazing being made by successively heating them at a comparatively low temperature of 580-660° C. under an inert gas a... | 06/15/1999 |
| 5826780 | Vacuum insulation panel and method for manufacturing A vacuum panel includes a jacket having a bottom that is formed into a "pan" shape. A top is welded to the flanges of the bottom to create a hermetic seal therebetween. A dense glass fiber mat fills the jacket. A getter is strategically located in the pan... | 10/27/1998 |
| 5518957 | Method for making a thin profile semiconductor package A process for manufacturing a thin profile semiconductor package by means of TAB (tape automated bonding). A barrier metal layer is formed on bonding pads formed on portions of a chip covered with insulating layers. A photoresist layer is formed on the re... | 05/21/1996 |
| 5505366 | Method for mounting electronic devices The present invention relates to a method for mounting electronic devices on a substrate by using soldering with flux which contains materials capable of ion-exchanging or ion-catching so as to catch impurity ions which seep from a solder portions, and th... | 04/09/1996 |
| 5390845 | Low-bridging soldering process A process for wave soldering or reflow soldering comprises contacting substrates with a supply of molten solder containing from about 0.0001 to about 0.1% by weight of phosphorous in an atmosphere of diluent gas containing up to about 0.1% by volume oxyge... | 02/21/1995 |
| 5328078 | Connection method and connection device for electrical connection of small portions A first portion is set near or in contact with a second portion. The first and second portions are electrically connected by spraying fine metal particles particles of gold, nickel or copper in a carrier gas of helium, argon, hydrogen or nitrogen on the f... | 07/12/1994 |
| 5305948 | Method of bonding a metal by solder The solder bonding is conducted by applying a postflux, which contains halogen compounds in the ratio of 0.2% or less as the amount of halogen, over a metal surface, which is the portion to be bonded by solder, of a member including metal accommodated in ... | 04/26/1994 |
| 5257731 | Method of vacuum brazing aluminum A vacuum pump is first driven to start evacuation from the interior of a furnace. At the time when the furnace pressure reaches 8×10-5 Torr, a heater is driven to start elevating the furnace temperature. Then, at the time when the furnace temp... | 11/02/1993 |
| 4997124 | Vacuum-insulated, double-walled metal structure and method for its production A vacuum-insulated, double-walled metal structure comprises inner and outer shells made of a metal and seamed together to form a double-walled structure with a space between them, the space being exhausted of air. At least one of the inner and outer shell... | 03/05/1991 |
| 4995547 | Process for brazing a metal object to a ceramic surface defining a hole for receiving the metal object The present invention provides a method for brazing a metal object to a ceramic surface defining a recess for receiving the metal object where the space between the metal object and the ceramic surface defining the recess inhibits the establishment of the... | 02/26/1991 |
| 4988036 | Vacuum braze cycle for clad aluminum sheet An improved heating cycle for brazing an assembly of clad aluminum sheet components having a hypoeutectic aluminum-silicon braze alloy cladding comprises a dwell at a temperature slightly above the eutectic melting point and effective to partially melt th... | 01/29/1991 |
| 4905887 | Process for soldering aluminum containing workpieces Processes and composition for soldering aluminum-containing workpieces wherein the solder contains components which lower the surface tension and the viscosity of the molten solder, and which lower the interfacial tension between the solder and the alumin... | 03/06/1990 |
| 4817856 | Method for coating a pump impeller A pump impeller is coated essentially without use of core structures. The pump impeller coating is performed in several stages. Partial units of the impeller are coated, whereafter the coated partial units are assembled together. Exposed areas of the impe... | 04/04/1989 |
| 4804128 | Vacuum brazing of aluminum alloy workpieces An improved practice for the vacuum brazing of aluminum alloy workpieces in a multi-chamber braze furnace is disclosed. When magnesium-containing aluminum alloys are brazed in a furnace having a braze chamber and adjacent exit chamber, there may be advant... | 02/14/1989 |
| 4401254 | Vacuum brazing process with improved gettering A method of vacuum brazing large assemblies in an enclosed evacuated furnace with brazing material containing a gettering agent in the area of the joints to be formed, including sensing the temperature of the assembly to be brazed adjacent the joints on t... | 08/30/1983 |
| 4292725 | Method of producing an object of fiber reinforced metal material A method of producing an object of fiber reinforced metal material, in which method a plurality of fibers or fiber bundles of a material of high strength are arranged at spaced positions, and a matrix material, preferably metal or metal alloy, is brought ... | 10/06/1981 |
| 4240574 | Fluxless brazing of aluminum in inert gas A method of brazing aluminum parts in an inert gas atmosphere is disclosed. The brazed filler metal is controlled to contain a ternary alloy of aluminum-silicon-magnesium and the base aluminum parts are controlled to contain a binary alloy of aluminum-mag... | 12/23/1980 |
| 4143802 | Fluxless braze processing of aluminum A method of fluxless brazing of aluminum parts is disclosed. Gaseous species, such as O2 and H2 O, which inhibit wetting are controlled by rapid heating (at least 100° C./min) through a critical temperature range (such as 400°-590Â... | 03/13/1979 |
| 4118542 | Controlled atmosphere and vacuum processes This invention concerns getters for controlled atmosphere and vacuum processes, and in particular, for processes carried out in an atmosphere having a very low oxygen content. The invention has been particularly developed for the vacuum brazing of parts, ... | 10/03/1978 |
| 4081121 | Method of high temperature assembly A method of high temperature assembly of similar or different metallic, nonmetallic or partially metallic components without any direct contact with a cleaning flux, by means of an added metal or alloy with a melting point below that of the most fusible c... | 03/28/1978 |
| 3985283 | Method of joining braze alloy to a parent metal part A method including the step of applying braze alloy in sheet-like form to a part made of a brazeable parent metal. Pressure is exerted to place the braze alloy in intimately contacting relation to the part. For a predetermined period of time, while the ex... | 10/12/1976 |
| 3973718 | Method of manufacturing a heat exchanger core A heat exchanger core includes a communicating set of metallic tubular elements, preferably aluminum, for carrying a primary fluid and a matrix of rounded metallic elements. The matrix elements are metallurgically bonded to one another and to the tubular ... | 08/10/1976 |
| 3963164 | Method for bonding bodies made of metallic materials A method for bonding bodies made of metallic materials is described herein, which method is characterized in that said metallic bodies are pressure bonded to each other by making use of super-plastic phenomena which are generated by subjecting the bonding... | 06/15/1976 |
