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| Number | Title | Issue Date |
| 8197663 | High speed tin plating process Methods for the electrolytic preparation of tin coated metals are disclosed. Organic polybasic acids, such as methanedisulfonic acid [CH2(SO3H)2], 1,3-acetonedisulfonic acid [CO(CH2SO3H)2], anhydrides, and their water soluble salts, and mixtures thereof may be used ... | 06/12/2012 |
| 7254503 | Light source wavelength correction A wavelength correction function provides corrected reflectance values from actual reflectance values taken in a reflectance-base instrument. The correction is provided as a function of measured reflectance values and a predefined set of high resolution reflectance ... | 08/07/2007 |
| 7029760 | Plated material and method of manufacturing the same, terminal member for connector, and connector A plated material reduces insertion and withdrawal forces when used in a connector. A terminal member for a connector and a connector therewith are also provided. The plated material comprises a substrate 3 made of Cu or a Cu alloy and a metal plating layer | 04/18/2006 |
| 6947142 | Color detection in random array of microspheres A method of determining one or more color characteristics of a colored microsphere comprising: providing a microarray of microspheres, at least one of which has a color characteristic; capturing the microarray with an electronic color image sensor assembly having a ... | 09/20/2005 |
| 6939621 | Plated copper alloy material and process for production thereof A plated copper alloy material for connecting terminals is provided which comprises a parent material of copper or copper alloy, a nickel layer and a copper-tin alloy layer. The nickel layer has a thickness of 0.1-1.0 μm. The copper-tin alloy layer has a thickness ... | 09/06/2005 |
| 6884523 | Electronic component and method of manufacturing the same An external terminal of an electronic component is provided with a lead base material and a metal thin film coating a surface of the lead base material, and an average value of a crystal size index is not less than 7, which is defined based on dimensions of a crysta... | 04/26/2005 |
| 6875291 | Method for producing a tin-zinc alloy film A tin layer and a zinc layer are stacked sequentially on a given substrate to form a multilayered film composed of the tin layer and the zinc layer. Then, the multilayered film is heated to a given temperature to form a tin-zinc alloy film through the diffusion of t... | 04/05/2005 |
| 6759142 | Plated copper alloy material and process for production thereof A plated copper alloy material for connecting terminals is provided which comprises a parent material of copper or copper alloy, a nickel layer and a copper-tin alloy layer. The nickel layer has a thickness of 0.1-1.0 μm. The copper-tin alloy layer has a thickness ... | 07/06/2004 |
| 6613451 | Metallic material Ni alloy or Cu alloy containing P and/or B is plated on a base metal consisting of Cu or Cu alloy as an intermediate layer, Sn or Sn alloy is further plated on the content of P or B in the plating layer is limited by carrying out reflow treatment, whereby... | 09/02/2003 |
| 6413404 | Method of forming bumps by electroplating Bumps are formed by means of uniform plating in which air can be easily discharged. A plating device comprises: a plating tank 32; a holding jig 34 detachably attached to an object 35 to be plated, the holding jig 34 being connected with a cathode and ele... | 07/02/2002 |
| 6409850 | Fluxing agents for the reflowing of electro-deposited tinplate There is disclosed a composition for use as a flux material in a tinplating process, which comprises an aqueous solution of one or more hydroxy phenyl compounds of general formula (I), wherein M=a cationic species, preferably H, substituted or unsubstitut... | 06/25/2002 |
| 6342146 | Lead-free alloy plating method A continuous plating system which is horizontal, allows for submersion of the entire article to be plated, and is useful for alloy plating. The invention provides a link/hinge conveyor system, the conveyor acts as the conductor, numerous processes/baths a... | 01/29/2002 |
| 6312762 | Process for production of copper or copper base alloys A process for the production of copper or a copper base alloy that provides a surface having improved characteristics suitable for the production of a connector or a charging-socket of an electric automobile by having a decreased coefficient of friction o... | 11/06/2001 |
| 6183886 | Tin coatings incorporating selected elemental additions to reduce discoloration A tin coated electrical or electronic component has enhanced resistance to oxidation and tarnishing as well a smaller increase in contact resistance when exposed to elevated temperatures. These benefits are achieved by depositing a relatively thin, on the... | 02/06/2001 |
| 6174426 | Tin-plated steel with adhesion promoter A method is provided for enhancing the adhesion of organic polymer coatings to electrolytically passivated (CDC) tin-plated steel strip. The method includes applying a solution comprising 0.1 to 7 percent of an adhesion promoter to the electrolytically ti... | 01/16/2001 |
| 6059952 | Method of fabricating coated powder materials and their use for high conductivity paste applications Methods for forming pastes of powder particles coated with an electrically conductive coating are described. The powder particles, with or without an optional first conductive coating layer applied to their surface, are placed in contact with a cathode su... | 05/09/2000 |
| 5814203 | Process to decrease the strength of an electric field produced by a high voltage conductive path of a printed circuit board and printed circuit assembly using same A process to decrease the strength of an electric field produced by a high voltage conductive path on a printed circuit board and printed circuit assembly using same includes the steps of coating the upper side (5) of the conductive path or track (1) with... | 09/29/1998 |
| 5783059 | Electrodeposition bath An electrodeposition bath for depositing a Sn alloy onto a Cu substrate containing a Zn salt. This bath is particularly useful for Pb free alloy, such as a Sn--Bi alloy. The presence of Zn in the elctrodeposition bath greatly influence the bath behaviour ... | 07/21/1998 |
| 5759379 | Solder method A soldering method for soldering electronic components onto a copper (Cu) substrate using a tin (Sn) solder alloy. The method comprises in pretreating the Cu substrate by depositing a thin layer of zinc (Zn) before the deposition of the Sn solder alloy. T... | 06/02/1998 |
| 5614328 | Reflow-plated member and a manufacturing method therefor Provided is a method for manufacturing a reflow-plated member, which comprises a process for forming a plated layer of Sn or Sn alloy on the surface of a base material, at least the surface of which is formed of Cu or Cu alloy, by electroplating, and a pr... | 03/25/1997 |
| 5534127 | Method of forming solder bumps on electrodes of electronic component A solder bump 3a is formed on an electrode 2 provided on a printed circuit board 1. First, a core 3 is formed on the electrode 2. Then, solder paste 3' is coated on the core 3 so as to cover an entire surface of the core 3. Subsequently, the solder paste ... | 07/09/1996 |
| 5480835 | Electrical interconnect and method for forming the same A method for forming an electrical interconnect on a substrate. At least one pad (14) is formed on a substrate (11). The pad (14) is formed having a non-wetting surface (12) and a wettable surface (13). Photoresist (44) is patterned on a substrate (41) fo... | 01/02/1996 |
| 5433839 | Process for the manufacture of a coated stainless steel sheet This sheet metal comprises a substrate (12) made of stainless steel containing more than 16% of chromium in its weight composition, coated with a metal layer (16) containing chiefly tin. Between the metal layer (16) and the substrate (12) the sheet metal ... | 07/18/1995 |
| 5427677 | Flux for reflowing tinplate An improved process for reflowing tinplate by treating a matte finish of tinplate with a flux, and reflowing the fluxed matte tinplate to produce bright tinplate, wherein the flux is a naphthalenesulfonic compound, preferably having the a naphthalene ring... | 06/27/1995 |
| 5298149 | Method for making a tin-plated steel sheet with a chromium bilayer and a copolyester resin laminate A copolyester film was laminated onto a steel sheet, this sheet having double layers consisting of a lower layer of metallic chromium and an upper layer of hydrated chromium oxide on a tin plated steel sheet in which 5 to 40% of the surface of the steel s... | 03/29/1994 |
| 5094730 | Method for forming a metallic coating on steel pipes A method of applying a metallic coating to metallic sealing and/or threaded regions of steel pipes which are under high pressure per unit of surface by a pretreatment of the surface to be coated which consists of a cleaning and degreasing and an electroly... | 03/10/1992 |
| 5084358 | Composite-coated flat-rolled sheet metal manufacture and product Composite-coated flat-rolled steel, product, method of manufacture and method of fabrication in which single or double-reduced low-carbon steel, after surface preparation, is flash-coated with tin (about 0.05 #/bb) which is alloyed with the base metal. Di... | 01/28/1992 |
| 5074970 | Method for applying an abrasive layer to titanium alloy compressor airfoils A method for providing an abrasive layer on the surface of a turbine engine component is described. The method includes application of several layers of nickel; one layer includes abrasive particulates. The layer has good bond strength and has a thin cros... | 12/24/1991 |
| 4838955 | Method for the manufacture of hard steel sheet from Al-killed continuous-cast carbon-manganese steel Steel sheet manufactured from Al-killed continuous cast carbon-manganese steel and having a hardness in the range 57 to 73 HR30T is characterized by a content of 0.03 to 0.10% by weight C and 0.15 to 0.50% by weight Mn, and an amount Z in ppm of dissolved... | 06/13/1989 |
| 4832800 | Process for preparing surface-treated steel strips adapted for electric resistance welding A surface-treated steel strip adapted for electric resistance welding is prepared by forming a first layer of iron-nickel alloy on a steel strip, said first layer having a weight ratio of Ni/(Fe+Ni) in the range between 0.02 and 0.50 and a thickness of 10... | 05/23/1989 |
| 4804615 | Method for manufacture of printed circuit boards Printed circuit boards having solder coated pads and through-holes and bare copper traces protected by a directly applied solder mask or by a coating of non-reflowable metal and a solder mask thereover, are manufactured by a process which avoids the need ... | 02/14/1989 |
| 4790913 | Method for producing an Sn-based multilayer coated steel strip having improved corrosion resistance, weldability and lacquerability The Sn based multilayer coated steel strip for container-use is improved by the provision of a novel underyling coating of ternary Fe-Ni-P alloy which, mainly because of the Ni component, ensures a uniform deposition of the Sn layer, and mainly because of... | 12/13/1988 |
| 4726208 | Flat-rolled steel can stock manufacture Composite-coated flat-rolled steel can stock processing and product for fabrication of sheet metal cans, in particular for three-piece, welded or cemented side seam cans. Single or double-reduced, low carbon, flat-rolled steel of a gage in the range of ab... | 02/23/1988 |
| 4698103 | Method of manufacturing dual phase strip steel and steel strip manufactured by the method In a method of manufacturing a dual phase steel a strip of thickness 0.1 to 0.5 mm from an unalloyed low C, low Mn steel composition of 0.02-0.15% C and 0.15-0.50% Mn, which method includes continuous annealing, a flat product can be obtained without stri... | 10/06/1987 |
| 4601957 | Method for producing a thin tin and nickel plated steel sheet for welded can material A method for producing a thin tin and nickel plated steel sheet having a surface structure in which the distribution of numerous nodules of metallic tin are observed by using an electron microscope on an iron-tin-nickel alloy layer formed on a steel sheet... | 07/22/1986 |
| 4579761 | Method of making aureate colored coins, medallions and tokens and products so made An aureate coin, coin blank, medallion, medallion blank, token or token blank has a coin-shaped core with opposed faces and a peripheral side edge and of mintable metallic material. An electroplated coating of copper and tin completely encases the core an... | 04/01/1986 |
| 4561943 | Process for preparing surface-treated steel strips adapted for electric resistance welding and strips produced by said process Surface-treated steel strips suitable for electric resistance welding are prepared by forming a first layer of iron-nickel alloy on a steel strip, this first layer having a weight ratio of Ni/(Fe+Ni) in the range between 0.02 and 0.50 and a thickness of 1... | 12/31/1985 |
| 4513995 | Method for electrolytically tin plating articles The thread of tubing to be used in the oil and gas industry and possibly additional services such as fee ing surfaces are cleaned, degreased, and pickled, nickel-coated without electric current at a layer thickness of about 1 micrometer, followed by elect... | 04/30/1985 |
| 4508480 | Manufacture of tinplate and tinplate containers Tinplate container with externally welded seam is formed of electrolytic unreflowed tinplate with external tin coating of low coating mass (less than 2 g/m2); the solderability of such tinplate being comparable with conventional reflowed tinpla... | 04/02/1985 |
| 4468292 | Production of highly rust resistant tinplate sheets for welded cans A process for improving the rust and corrosion resistance of thinly coated tinplate is disclosed, wherein a steel sheet coated with 0.02-0.2 g/m2 of nickel prior to annealing is coated with 0.05-1.5 g/m2 of tin, subsequently being tr... | 08/28/1984 |
