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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...
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7264704 |
Electrolysis cell for restoring the concentration of metal ions in electroplating processes
It is described an electrolysis cell wherein the anodic dissolution of metals is carried out, in particular of metals characterised by a relatively high oxidation potential, such as copper, or...
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7247229 |
Coatings for the inhibition of undesirable oxidation in an electrochemical cell
A process for electroplating of metal utilizing a valve metal electrode substrate containing multiple coating layers is disclosed. A top coating layer of a valve metal oxide is applied over a first...
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7208073 |
Media for use in plating electronic components
Improvements in methods for plating metal on substrates are obtained by providing media in the plating solution in sizes that are less than 60% to 80% smaller than the average dimension of the...
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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...
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7151049 |
Electroplating compositions and methods
Disclosed are electrolyte compositions for depositing a tin alloy on a substrate. The electrolyte compositions include tin ions, ions of one or more alloying metals, an acid, a thiourea derivative,...
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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...
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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;...
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6899802 |
Method for recycling of plating solutions
In the conventional plating process, plating solutions are newly prepared and the plating solutions used previously are dumped as industrial wastes, which is accompanied by environmental loads,...
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6884393 |
Surface treatment of aluminum alloys to improve sterilization process compatibility
Disclosed herein are methods of sterilizing a device in a sterilizer, methods of sterilizing a device in an enclosure in a sterilizer, and enclosures for retaining a device capable of being...
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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...
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6860981 |
Minimizing whisker growth in tin electrodeposits
The present invention relates to a method for reducing tin whisker formation in tin deposits by plating on an underlying metal tin deposits which are predominantly in a predetermined crystal...
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6852210 |
Plating method and plating bath precursor used therefor
To provide a plating method, which enables wide industrial use of the redox system electroless plating method having excellent characteristics, and a plating bath precursor which is preferable for...
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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...
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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...
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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...
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6685820 |
Method for treating spent tin/lead stripping solution
The present invention relates to a method for treating spent tin or tin/lead stripping solution used in the electronic industry, particularly in the manufacture of printed circuit boards or a lead...
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6645549 |
Process for providing bond enhancement and an etch resist in the fabrication of printed circuit boards
A process for providing bond enhancement and an etch resist for a printed circuit board is provided. A sheet comprising at least a layer of copper is immerses in a first immersion tin solution...
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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...
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6372345 |
Composite particles for composite dispersion plating and method of plating therewith
The present invention is applicable to composite particles for composite dispersion plating used for forming a self-lubricating composite dispersion coating and a method of plating using such...
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6361677 |
Plant and process for the electrolytic dissolution by oxidation of a metal
The plant comprises: an electrolysis cell ( 1 ″) having a soluble anode ( 2″1 ) and an insoluble cathode ( 3 ″) without an interposed membrane, means for introducing the bath into the cell...
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6312579 |
Bearing having multilayer overlay and method of manufacture
A multilayer engine bearing (10) includes a steel backing (12) having a liner (14) of bearing metal of either copper-lead or aluminum alloys formed on the backing (12). A multilayer overplate (24,...
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6258241 |
Process for electroplating metals
A process for electroplating metal on a resistive substrate and the article of manufacture produced therefrom are disclosed. The metal layer is electroplated onto the resistive substrate in an...
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6251255 |
Apparatus and method for electroplating tin with insoluble anodes
An apparatus and process for adding electrolytically dissolved tin to the electrolyte solution of a tin plating cell is described. The tin plating process cell has an insoluble anode. In...
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6022467 |
Electrolytic tin plating process with reduced sludge production
Continuous electrolytic tin plating is accomplished in a bath containing 90-160 g/L sulfuric acid, 4-70 g/L tin ion and a grain refiner, and 1-4% nonylphenol ethoxylated with 8-10 ethylene oxide...
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5928487 |
Electrolytic plating of steel substrate
A new combination of steel strip electrolytic plating process steps which eliminate iron ion dissolution from continuous-strip steel substrate into chemically-corrosive plating solutions, such as...
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5665219 |
Process for continuous manufacture of an electrical conductor made of copper-plated and tin-plated aluminum
Process for continuous manufacture of an electrical conductor consisting of an at least partially aluminium-based central core coated by continuous electrodeposition with at least one metal layer,...
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5658529 |
Method of protecting and sterilizing aluminum surfaces on medical instruments
A process for color anodizing and sterilizing aluminum surfaces on medical instruments without fading the anodized color comprises the steps of: anodizing an aluminum surface on a medical...
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5628893 |
Halogen tin composition and electrolytic plating process
A composition of matter for electrolytically depositing a tin layer on an iron containing-substrate is disclosed comprising an acidic aqueous mixture of: (a) a stannous tin halide; and (b) a...
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5580617 |
Method for manufacturing tin-coated strips or sheets from copper or a copper alloy
A method for manufacturing a tin-coated surface of rolled copper strips or copper-alloy strips, wherein a strip surface is mechanically treated using a textured working roll to adjust a texture on...
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5562814 |
Sludge-limiting tin and/or lead electroplating bath
A novel electroplating bath is described which comprises an alkane or alkanol sulfonic acid, tin, lead or tin-lead metal alloy and either an alkali carbonate or alkali bicarbonate salt. The...
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5451323 |
Method for recovering and reproducing tinning liquid
A method of recovering and reproducing a tinning liquid containing Fe ions and other detrimental cations by the steps of removing cations from the tinning liquid by passing the tinning liquid or a...
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5435896 |
Cell having electrodes of improved service life
A metal surface, useful as an electrode in an electrolytic cell, is now described having enhanced adhesion of subsequently applied coatings combined with excellent coating service life. The...
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5378347 |
Reducing tin sludge in acid tin plating
The present invention relates to a solution for use in the electroplating of tin and tin alloys comprising a basis solution which includes fluoboric acid or an organic sulfonic acid or one of their...
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5316632 |
Method for improving efficiency of electro-chemical cells
A method for improving the efficiency of electrolytic fuel cells and the like, and more particularly aluminum-air fuel cells, is described. The efficiency of the fuel cell is controlled by the rate...
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5312541 |
Improvements in processes for coloring anodized aluminum and/or aluminum alloys
In acidic Sn(II)-containing electrolytes for coloring oxide layers on anodized aluminum or aluminum alloys, or for electroplating, the Sn(II)-ions are oxidized. By the addition of substances, so...
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5194141 |
Method for electrolytic tin plating of steel plate
A method for the electrolytic pin plating of a steel plate using an insoluble anode, said anode being an insoluble electrode comprising a corrosion-resistant metal substrate having provided thereon...
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5019224 |
Electrolytic process
An electrolytic process in which an aqueous electrolyte is electrolysed in an electrolytic cell which comprises at least one anode and at least one cathode, in which oxygen is evolved at the anode,...
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4959278 |
Tin whisker-free tin or tin alloy plated article and coating technique thereof
A tin or tin alloy plated article, particularly a film carrier which is protected against the generation of tin whiskers characterized in having an indium plated layer on the substrate thereof and...
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4941953 |
Durable electrodes having a plated tinor tin oxide intermediate layer for electrolysis and process for producing the same
An electrode for electrolysis is disclosed, comprising an electrode substrate made of a conductive metal having provided thereon an intermediate layer and a coating of an electrode active...
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4749626 |
Whisker resistant tin coatings and baths and methods for making such coatings
The present invention relates to an addition to tin coating solutions for inhibiting the growth of tin whiskers. The addition comprises a concentration of a metal salt selected from the group...
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4681670 |
Bath and process for plating tin-lead alloys
An electroplating bath and process for electroplating substrates with a tin-lead alloy from an electrolyte containing a soluble tin compound, a soluble lead compound and a complexing agent in an...
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4366338 |
Compensating semiconductor materials
A method of compensating grain boundaries or dislocations causing interstices to form particularly in polycrystalline semiconductor materials is disclosed which comprises selectively diffusing...
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T102501 |
Process of preparing a potassium stannate-stannic oxide sol tin electroplating solution
A process for the production of a stannic oxide sol-potassium stannate tin plating solution is disclosed comprising the steps of: anodically dissolving stannous tin in a potassium electrolyte...
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4309315 |
Surface-activated functional materials and a method of producing the same
A surface-activated functional material and a method of producing the same are disclosed. The surface-activated functional materials are produced by subjecting a surface of a metal substrate to an...
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4165218 |
Monitoring surfactant in electrolyte during metal treatment
A technique for the quantitative monitoring of a nonionic surfactant, such as nonylphenolpolyglycolether, in an acid tinning bath for the production of shiny, pore-free coatings on components. A...
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4127450 |
Method for pretreating surfaces of steel parts for electroplating with organic or inorganic coatings
The susceptibility of steel to electroplating is improved, by an electrolytic pretreatment of the steel part. The steel part is connected alternately as cathode and anode in an electrolytic cell...
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4006213 |
Halogen tin electrodeposition bath sludge treatment
A process for the extraction and recovery of hydrated stannic oxide and alkali metal ferrocyanide from the sludge formed in a halogen tin electrodeposition bath is described. The process comprises...
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3954571 |
Wire and strip line electroplating
Methods and apparatus are provided for high speed wire and/or strip line electroplating of metals such as tin and zinc on a metal substrate by utilizing in the anode assembly therefor a combination...
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3947344 |
Inert anode
An anode made essentially as a plate of a ferrosilicon alloy having a wire-made structural base, the wire being fastened on a metallic bar which also carries also a current lead-in. Such a...
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