Patents for C25D 21 - Processes for servicing or operating cells for electrolytic coating (5,798)
01/1997
01/14/1997US5593627 Electrolytic treatment of an electrolytic solution
01/09/1997DE19524523A1 Anwendung eines Verfahrens und einer Vorrichtung zum Behandeln von Fluiden in der Leiterplattentechnik Use of a method and an apparatus for treating fluids in the circuit board art
01/02/1997DE19502440A1 Purifying waste water esp. water from photographic industry, electroplating, eloxal process or neutralisation
12/1996
12/25/1996CN1138639A Electroplating current density automatic regulating meter
12/25/1996CN1138638A Method and appts. for metal layer by electrolytic deposition
12/11/1996EP0746640A1 Method of electrolytically depositing metals from electrolytes containing organic additives
12/05/1996WO1996038858A2 Method and probe card for testing semiconductor devices
12/03/1996US5580613 Melting zinc, adding nickel to molten zinc, dispersing on the surface of zinc, a borax and sodium carbonate flux containing fused salt former, alloying, casting, dropping in water or atomizing
11/1996
11/28/1996WO1996037931A1 Spring element electrical contact and methods
11/28/1996WO1996037334A1 Method and apparatus for shaping spring elements
11/28/1996WO1996037333A1 Ribbon-like core interconnection elements
11/28/1996WO1996037332A1 Fabricating interconnects and tips using sacrificial substrates
11/28/1996WO1996037331A1 Wire bonding, severing, and ball forming
11/28/1996DE19620781A1 Assembly for component surface treatment
11/27/1996CN2241152Y Electrolyte circuit electroplating bath
11/26/1996CA2087584C Electrode and method for measuring levelling power
11/21/1996DE19547948C1 Mfg. unipolar or bipolar pulsed current for plating esp. of circuit boards at high current
11/20/1996CN1136091A Method and apparatus for regenerating sulfate electrolyte in galvanization of band steel
11/13/1996CN1135774A Ultrasonic ossilator
11/12/1996US5573652 Apparatus for continuously dissolving metal powder for use in plating and method of dissolving nickel metal using same
11/07/1996WO1996034993A1 Preparation of pre-coated aluminum alloy articles
10/1996
10/30/1996EP0739995A1 Use of a Zn-Ni alloy for preparation of Zn-Ni alloy hot-dip galvanizing bath
10/24/1996DE4244823C2 Values and water recovery from aq. process liq.
09/1996
09/19/1996DE19509646A1 Electroplating plant with separate rinsing liq. supply
09/19/1996DE19509575A1 Working up waste mixt. to separate zinc and chromium fractions
09/11/1996EP0730678A1 Ultrasonic agitator
09/04/1996EP0586456B1 Method for preventing evaporation of a liquid from a basin and spreading of particulate material carried by vapor drops to the surroundings
08/1996
08/28/1996EP0728853A1 Process and apparatus for regenerating a sulfate electrolyte in galvanizing steel strips
08/24/1996CA2168523A1 Method and plant for regenerating sulfate electrolyte in steel strip galvanizing processes
08/15/1996WO1996024707A1 Method and device for galvanizing plate-shaped products in horizontal continuous plants
08/14/1996EP0726337A1 Process for preparing a non-conductive substrate for electroplating
08/14/1996DE19504592A1 Immersion instrument for electroplating baths
08/08/1996DE19504517C1 Verfahren zum Galvanisieren von plattenförmigem Behandlungsgut in horizontalen Durchlaufanlagen sowie Vorrichtung zur Durchführung des Verfahrens A method for electroplating plate-shaped material to be treated in horizontal flow systems and apparatus for carrying out the method
08/01/1996WO1996022831A2 Method and apparatus for delivering electromagnetic energy into a solution
07/1996
07/16/1996US5536386 Modified carbon particles
07/16/1996US5536377 Galvanizing magazine for coating work pieces
07/11/1996WO1996021341A1 Method and device for the treatment of plate-shaped workpieces having small holes
06/1996
06/18/1996US5527017 Apparatus for dissolving zinc by means of acid-containing liquid electrolytes
06/12/1996EP0715660A1 Electrolytic treatment of material
06/12/1996EP0555329B1 Articles having a hydrophilic polymeric shell and method for preparing same
06/06/1996WO1996017378A1 Electrical contact structures from flexible wire
05/1996
05/30/1996WO1996016440A1 Interconnection elements for microelectronic components
05/30/1996DE4442160A1 Recovery device for liquids adhering to pourable particles
05/23/1996WO1996015551A1 Mounting electronic components to a circuit board
05/23/1996WO1996015459A1 Mounting spring elements on semiconductor devices, and wafer-level testing methodology
05/23/1996WO1996015458A1 Probe card assembly and kit, and methods of using same
05/14/1996US5516414 Method and apparatus for electrolytically plating copper
05/14/1996US5516412 Vertical paddle plating cell
05/02/1996DE19507066C1 Removing residual nickel@ from used electroless nickel@ coating bath
05/01/1996EP0709495A1 Process for controlling the thickness of an electrodeposited coating on a metallic workpiece
04/1996
04/25/1996DE4437695A1 Multistage cascade rinsing with full or partial return of the process solutions carried off
04/25/1996CA2161189A1 Process for controlling the thickness of an elecrodeposit coating on a piece of metal
04/24/1996CN1121361A Process for making copper foil
04/23/1996US5510014 Method for regenerating tin or tin alloy electroplating
04/10/1996EP0705920A1 Mistspray inhibitor for alkaline electrolytic baths
04/10/1996EP0705793A1 Procedure for treatment of zinc and chronium containing mixtures like waste water, process water, galvanic sludges, or similar
04/08/1996CA2159860A1 Spray mist inhibitors for basic electrolysis baths
04/02/1996US5503730 Method for anodic oxidation
04/02/1996US5503726 Plating apparatus
03/1996
03/20/1996EP0701481A1 Method for treatment of aqueous effluents containing metallic cations
03/14/1996DE4435774C1 Sepn. of zinc from solns. and slurries contg. chromium, esp. waste water or galvanic slurry
03/12/1996US5498325 Soluble and insoluble conductors
03/07/1996WO1996006677A1 Process for reducing the concentration of multivalent cations in aqueous solutions
03/07/1996CA2198505A1 Process for reducing the concentration of multivalent cations in aqueous solutions
02/1996
02/13/1996CA1338051C Method of electrolytic metal coating of a strip-shape metal substrate and apparatus for carrying out the method
02/01/1996WO1996002687A1 Electrolytic plating apparatus and method
02/01/1996DE4438208C1 Appts. for electroplating of components in drum baths
01/1996
01/31/1996EP0694090A1 Process and device for the electrolytic surface coating of workpieces
01/25/1996DE19525509A1 Removal of breakdown products from electroplating baths
01/11/1996WO1995023247A3 Method of electrolytically depositing metals from electrolytes containing organic additives
01/11/1996DE4423630A1 Appts. for treating components in the course of galvano-technical processing
01/10/1996EP0690934A1 Process and device for electrolytic precipitation of metallic layers
01/10/1996EP0584096B1 Process for electrolytically coating a steel object on one or both sides
01/02/1996US5480675 Multilayer wires for printed circuits, depressurization and swinging
12/1995
12/26/1995US5478461 Subjecting bath to reduction to render it unable to be used
12/21/1995DE4421010A1 Cleaning components during galvano-technical processing
12/14/1995WO1995033872A1 Electrolytic treatment of material
12/14/1995CA2168122A1 Electrolytic treatment of material
12/13/1995EP0686710A2 Rack for plating components
12/12/1995US5474661 Compressed diaphragm and electrolytic cell
12/07/1995DE4419653A1 Appts. for galvano-technical processing of components
12/05/1995US5472592 Comprising a shaft rotatably mounted in the tank, an arm on shaft and a fixture received the substrate for driving fixture rotation, exposing to circulated electrolyte and depositing uniformly
11/1995
11/15/1995CN1111682A Process for treating waste liquid in surface treatment of aluminum materials
11/08/1995EP0595879B1 Coating substrates
10/1995
10/24/1995CA2045078C Hydrodynamically modulated hull cell
10/18/1995EP0533852B1 Improvements to current generation and control systems for electrolytic processes
09/1995
09/28/1995DE4409831A1 Treatment of articles in aq. chemical bath
09/26/1995US5453175 Protection of lead-containing anodes during chromium electroplating
09/19/1995US5451323 Method for recovering and reproducing tinning liquid
09/14/1995DE4408337A1 Electrodialysis of acid electroplating baths
09/13/1995EP0671358A2 Preparation and use of an oxidation agent containing dihalogentetraoxide ions
09/13/1995EP0445120B1 Device for applying and/or removing coatings on workpieces
08/1995
08/31/1995WO1995023247A2 Method of electrolytically depositing metals from electrolytes containing organic additives
08/30/1995EP0669410A1 Apparatus for continuously dissolving metal powder for use in plating and method of dissolving nickel metal using same
08/30/1995CN1107524A Apparatus for solving zinc by using of electrolyte of acid containing liquid
08/23/1995EP0667923A1 Method and apparatus for electrolytically plating copper.
08/17/1995WO1995021952A1 Process and device for the electrolytic surface coating of workpieces
08/15/1995US5441628 Improved dissolving performance
08/15/1995US5441620 Electroplating apparatus
08/15/1995US5441619 Electroplating apparatus
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