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| Number | Title | Issue Date |
| 7431817 | Electroplating solution for gold-tin eutectic alloy The invention relates to an electrolyte used in connection with the deposition of a gold-tin alloy on an electroplatable substrate. This solution generally includes water; stannous and/or stannic tin ions, a complexing agent to render the stannous and/or stannic tin... | 10/07/2008 |
| 7357853 | Electroplating composite substrates An electrolyte employed to selectively deposit a tin or tin alloy film on a composite substrate. A method for depositing the tin or tin alloy on the composite substrate also is described. ... | 04/15/2008 |
| 7314543 | Tin deposition A device includes an integrated circuit and a deposited tin in electrical contact with a portion of the integrated circuit. The deposited tin is formed by electrodeposition from a bath. The deposited tin includes a residue characteristic of the bath. The bath includ... | 01/01/2008 |
| 7309411 | Electrolyte media for the deposition of tin alloys and methods for depositing tin alloys An electroplating bath medium for electroplating articles with a tin-cobalt, tin-nickel, or tin-cobalt-nickel alloy comprises: at least one tin salt; an alloying metal salt comprising a cobalt salt and/or a nickel salt; a complexant comprising a hydroxycarboxylic ac... | 12/18/2007 |
| 7291201 | Method for making nano-scale lead-free solder A method for making Nano-scale lead-free solder includes the following steps of: forming a mixture solution Sn-Ag or Sn-Ag-Cu; making NaBH4, NaOH and alkyl C12H25OSO3Na to a reducing dispersing solution; producing reactant... | 11/06/2007 |
| 7279086 | Electroplating solution for alloys of gold with tin The invention relates to an electroplating solution for providing a deposit of an alloy of gold and tin. This solution includes an aqueous solvent in which gold is present in the form of a solution soluble cyanide complex and tin is present in the form of a solution... | 10/09/2007 |
| 7273540 | Tin-silver-copper plating solution, plating film containing the same, and method for forming the plating film An electrolytic plating method, including: preparing a plating solution including water which is a primary medium, a sulfonic acid, and tin, copper, and silver ions, and a complexing agent, concentrations of the sulfonic acid, and tin, copper, and silver ions being ... | 09/25/2007 |
| 7195702 | Tin alloy electroplating system Disclosed are systems and methods of plating a tin alloy in an efficient, economical, and environmentally friendly manner. An electrochemical cell containing an anolyte compartment and a catholyte compartment separated by a selective membrane is employed. The select... | 03/27/2007 |
| RE39476 | Tin electrolyte Disclosed are electrolyte compositions for depositing tin or tin-alloys at various current densities. Also disclosed are methods of plating such tin or tin-alloys on substrates, such as the high speed tin plating of steel. ... | 01/23/2007 |
| 7156904 | Bonding layer forming solution, method of producing copper-to-resin bonding layer using the solution, and layered product obtained thereby An aqueous copper-to-resin bonding layer solution comprising: (a) at least one acid type; (b) tin salt or tin oxide; (c) salt or oxide of at least one type of metal selected from the group consisting of: silver, zinc, aluminum, titanium, bismuth, chromium, iron, cob... | 01/02/2007 |
| 7122108 | Tin-silver electrolyte A tin-silver electrolyte and methods of depositing tin-silver alloys on a substrate. ... | 10/17/2006 |
| 7105082 | Composition and method for electrodeposition of metal on a work piece A composition for electrodeposition of a metal on a work piece, which electrodeposition is conducted at an electrodeposition temperature, is provided. The composition comprises a metal salt, a polymer suppressor having a cloud point, an accelerator and an electrolyt... | 09/12/2006 |
| 7087315 | Method for forming plating film A method for forming a plating film, comprising the steps of: applying a plating film onto an object to be plated at a first current density for a predetermined period in a plating bath having a cathode capable of varying current and an anode and; and maintaining th... | 08/08/2006 |
| 7029761 | Bonding layer for bonding resin on copper surface A bonding layer for bonding resin is provided that is formed on a copper surface, and contains an alloy of: (a) copper; (b) tin; and (c) at least one type of metal (third metal) selected from the group consisting of: silver, zinc, aluminum, titanium, bismuth, chromi... | 04/18/2006 |
| 7013564 | Method of producing an electronic device having a PB free solder connection A method of producing an electronic device by connecting a lead of a semiconductor device with an electrode of a circuit board to form a bonded structure. In the bonded structure, a lead-free Sn—Ag—Bi alloy solder is applied to an electrode through an Sn—Bi al... | 03/21/2006 |
| 6998036 | Electrolyte and method for depositing tin-silver alloy layers The invention relates to an acidic electrolyte used for depositing tin-silver alloys. The acidic electrolyte comprises one or more alkylsulfonic acids and/or alkanolsulfonic acids, one or more soluble tin (II) salts, one or more soluble silver (I) salts and one or m... | 02/14/2006 |
| 6960396 | Pb-free solder-connected structure and electronic device Provided are a bonded structure by a lead-free solder and an electronic article comprising the bonded structure. The bonded structure has a stable bonding interface with respect to a change in process of time, an enough strength and resistance to occurrence of whisk... | 11/01/2005 |
| 6923899 | Limiting the loss of tin through oxidation in tin or tin alloy electroplating bath solutions Provided for is a solution for use in the electroplating of tin and tin alloys comprising a basis solution comprising an acid, optionally a salt thereof, the acid selected from the group consisting of fluoboric acid, an organic sulfonic acid, a mineral acid, or a co... | 08/02/2005 |
| 6911138 | Method for plating electrodes of ceramic chip electronic components A method for plating electrodes of ceramic chip electronic components includes performing electroplating in a plating bath. The plating bath contains tin (II) sulfamate, acting as a tin (II) salt; a complexing agent including at least one selected from the group con... | 06/28/2005 |
| 6821681 | Electrochemical cells and an interchangeable electrolyte therefore An interchangeable electrolyte contains an additive that promotes interchangeable use between batteries and electroplating cells by limiting dendritic deposition in battery cells and promoting a smooth finish in an electroplating cell, such that fresh or spent elect... | 11/23/2004 |
| 6811672 | Method for forming plating film and electronic component having plating film formed theron by same method A method for forming a plating film, comprising the steps of: applying a plating film onto an object to be plated at a first current density for a predetermined period in a plating bath having a cathode capable of varying current and an anode and; and maintaining th... | 11/02/2004 |
| 6808614 | Electroplating solution for high speed plating of tin-copper solder In accordance with the present invention, an electroplating solution is provided for electroplating satin bright tin-copper alloy solder coatings at high speed. The preferred solution comprises sulfonic acid, tin sulfonate, copper sulfonate, non-ionic surfactant, sa... | 10/26/2004 |
| 6797142 | Tin plating Electrolyte compositions for the deposition of tin and tin-alloys on a substrate are disclosed, along with methods of electroplating tin and tin-alloys using such compositions. These electrolyte compositions are useful for high speed tin plating. ... | 09/28/2004 |
| 6790333 | Functional alloy plating using substitute bonding material for Pb and electronic component to be mounted to which the functional alloy plating is applied The present invention relates to a to-be-mounted electronic component to which functional alloy plating using a bonding material for mounting is applied with a substitute bonding material for solder (tin-lead alloy), and aims at providing alloy plating which has bee... | 09/14/2004 |
| 6773568 | Metal alloy compositions and plating methods related thereto The present invention provides inter alia electroplating compositions, methods for use of the compositions and products formed by the compositions. Electroplating compositions of the invention are characterized in significant part by a grain refiner/stabilizer addit... | 08/10/2004 |
| 6770185 | Aqueous solution for electrodepositing tin-zinc alloys The invention relates to an aqueous solution comprising the following components: Zn(II) ions, Sn(II) ions, aliphatic carboxylic acids and/or their alkaline salts, anionic surfactants, non-ionogenic surfactants and optionally aromatic aldehydes, aromatic ketones, ar... | 08/03/2004 |
| 6736954 | Plating bath and method for depositing a metal layer on a substrate A metal plating bath and method of plating a metal on a substrate where the metal plating bath contains heteroatom organic compounds that prevent or inhibit the consumption of metal plating bath additives. The metal plating bath additives improve the brightness of p... | 05/18/2004 |
| 6730209 | Solder electroplating bath including brighteners having reduced volatility In accordance with the invention, the volatility of a solder plating bath with volatile brighteners such as aldehydes has its volatility reduced by the addition of diols to the bath. The diols are advantageously 1,3 propanediol or 1,2 propanediol and are accompanied... | 05/04/2004 |
| 6726827 | Electroplating solution for high speed plating of tin-bismuth solder In accordance with the present invention, an electroplating solution is provided for electroplating satin bright tin-bismuth alloy solder coatings in high speed electroplating applications. The solution comprises a sulfonic acid electrolyte, a soluble tin compound, ... | 04/27/2004 |
| 6706418 | Metal alloy compositions and plating methods related thereto The present invention provides inter alias electroplating compositions, methods for use of the compositions and products formed by the compositions. Electroplating compositions of the invention are characterized in significant part by a grain refiner/stabilizer addi... | 03/16/2004 |
| 6669834 | Method for high deposition rate solder electroplating on a microelectronic workpiece The present invention is directed to an improved electroplating method, chemistry, and apparatus for selectively depositing tin/lead solder bumps and other structures at a high deposition rate pursuant to manufacturing a microelectronic device from a work... | 12/30/2003 |
| 6607653 | Plating bath and process for depositing alloy containing tin and copper The present invention provides a tin-copper alloy plating bath, tin-copper-bismuth alloy plating bath or tin-copper-silver alloy plating bath containing a soluble metal compound and a specific sulfur-containing compound. The plating bath of the present in... | 08/19/2003 |
| 6582582 | Electroplating composition and process An electroplating bath is disclosed that is particularly suited to the electrodeposition of tin, zinc and alloys of the foregoing in a smooth and bright electrodeposit. The disclosed electroplating bath comprises propanedioic acid, diethyl ester, polymer ... | 06/24/2003 |
| 6544398 | Non-cyanide-type gold-tin alloy plating bath The present invention provides a non-cyanide-type gold-tin alloy plating bath comprising: (i) at least one water-soluble gold compound, (ii) at least one completing agent for gold, (iii) at least one water-soluble tin compound, and (iv) at least one compo... | 04/08/2003 |
| 6508927 | Tin-copper alloy electroplating bath A tin-copper alloy electroplating bath which comprises a water-soluble tin salt, a water-soluble copper salt, an inorganic or organic acid or a water-soluble salt thereof, and one or more compounds selected from thioamide compounds and thiol compounds. Th... | 01/21/2003 |
| 6458264 | Sn-Cu alloy plating bath An acidic Sn--Cu alloy plating bath composition comprising: (a) Sn2+ ions and Cu2+ ions, (b) at least one acid selected from the group consisting of alkane sulfonic acids, alkanol sulfonic acids, and sulfuric acid, and (c) a thiourea... | 10/01/2002 |
| 6436269 | Plating bath and method for electroplating tin-zinc alloys The present invention relates to an aqueous plating bath for electrodeposition of tin-zinc alloys comprising at least one bath-soluble stannous salt, at least one bath soluble zinc salt, and a quaternary ammonium polymer selected from a ureylene quaternar... | 08/20/2002 |
| 6322686 | Tin electrolyte Disclosed are electrolyte compositions for depositing tin or tin-alloys at various current densities. Also disclosed are methods of plating such tin or tin-alloys on substrates, such as the high speed tin plating of steel.... | 11/27/2001 |
| 6267863 | Electroplating solution for electroplating lead and lead/tin alloys An electroplating solution for plating bright tin, lead, or tin-lead alloy solder coatings in high speed electroplating applications. The electroplating solution includes an alkane or alkanol sulfonic acid electrolyte, a non-ionic surfactant, a grain refi... | 07/31/2001 |
| 6210556 | Electrolyte and tin-silver electroplating process The invention relates to an electrolyte for depositing tin-rich tin-silver alloys upon a substrate. This electrolyte includes a basis solution containing a solution soluble tin and silver compounds; a tin chelating agent of a polyhydroxy compound in an am... | 04/03/2001 |
