Patents for C23F 1 - Etching metallic material by chemical means (16,062)
05/1987
05/20/1987EP0222348A2 Apparatus for etching at least partly metallic, preferably copper work pieces
05/20/1987EP0222347A2 Process and apparatus for etching work pieces composed at least partly of metal, preferably of copper
05/19/1987CA1221896A1 Aqueous process for etching copper and other metals
05/13/1987EP0221327A1 A process for etching via holes in an alumina layer
05/12/1987US4664767 Plasma treating method and apparatus therefor
05/12/1987US4664763 Electrolysis
05/06/1987EP0220901A2 Apparatus for plasma assisted etching
05/05/1987US4663145 Inert balls, pyrolysis
05/05/1987US4662984 Method of manufacturing shadow mask
05/05/1987US4662976 For producing printed circuit boards
04/1987
04/29/1987EP0219528A1 Industrial exhaust ventilation system
04/08/1987EP0217725A1 Safety vented cover for sealed container and method of manufacturing same
04/08/1987EP0217071A1 Process for producing micromechanical structures
04/07/1987US4655928 Recycling
04/07/1987US4655383 Method of repairing heat resistant alloy parts
04/07/1987US4655136 Aluminum or alloy thereof
04/01/1987EP0216685A1 Selective-etching process and waveguide obtained by this process
04/01/1987CN86106513A Safety vented cover for sealed container and method of manufacturing same
03/1987
03/31/1987US4654116 Redeposition, oxidizers
03/31/1987US4654114 Dry etching method for selectively etching silicon nitride existing on silicon dioxide
03/25/1987EP0215679A2 Semiconductor etching apparatus with magnetic array and vertical shield
03/24/1987US4652351 Electrochemical restoration of cyanide solutions
03/17/1987US4650542 Process and apparatus for chemically treating articles in a contained chamber, with sealed-door access to the chamber
02/1987
02/24/1987US4645895 Method and apparatus for surface-treating workpieces
02/17/1987CA1217998A1 Selective nickel stripping compositions and method of stripping
02/10/1987US4642171 Phototreating apparatus
02/04/1987EP0210858A2 Reactive ion etching deposition apparatus and method of using it
02/03/1987CA1217532A1 Ion beam machining device
01/1987
01/31/1987CN85101736A Dissolution of metals utilizing tungsten-diol complexes 2
01/29/1987DE3526951A1 Shearing blade for razors and method for the production thereof
01/27/1987CA1217120A1 Descaling composition
01/27/1987CA1217119A1 Method of etching refractory metal film on semiconductor structures
01/20/1987US4637853 Hollow cathode enhanced plasma for high rate reactive ion etching and deposition
01/14/1987EP0040243B1 Process and apparatus for producing metals at porous hydrophobic catalytic barriers
01/13/1987US4636368 Stabilized acidic aqueous solutions containing hydrogen peroxide and metallic ions and processes
01/13/1987US4636282 Method for etching copper and composition useful therein
01/10/1987CN85101034A Two-step electrochemical and chemical etching method of high voltage aluminium anode foil
12/1986
12/30/1986US4632727 Nitric acid, polymer surfactant, alkane sulfonic acid
12/30/1986US4632726 Multi-graded aperture mask method
12/30/1986US4632719 Two concentric ring of magnets
12/30/1986EP0206420A1 Method for the manufacture of a ferromagnetic amorphous metal tape and such a ferromagnetic amorphous metal tape
12/30/1986EP0205476A1 Triode plasma reactor with magnetic enhancement
12/23/1986US4631112 Anodic oxide film for crack resistance, etching to enlarge pores
12/18/1986WO1986007315A1 Needlecraft with metallic substrate
12/16/1986CA1215301A1 Nickel etching process and solution
12/16/1986CA1215300A1 Regenerative copper etching process and solution
12/10/1986EP0204399A1 Method of regenerating permanganate etch bath
12/10/1986EP0204292A2 Process for the production of printed circuits using a photopolymerisable system
12/03/1986EP0203086A1 Ethylene glycol etch for processes using metal silicides
11/1986
11/26/1986EP0202907A2 In-situ photoresist capping process for plasma etching
11/26/1986EP0035565B1 Methods and apparatus for generating plasmas
11/26/1986CN86103055A Etching solutions containing fluorinated cycloalkane sulfonate surfactand additives
11/20/1986WO1986006763A1 Process for stripping nickel or nickel-iron alloy plating in a chromic acid solution
11/20/1986EP0201808A2 Soluble fluorinated cycloalkane sulfonate surfactant additives for NH4F/HF oxide etchant solutions
11/18/1986CA1214091A1 Chemical deburring system with a soluble mask
11/12/1986EP0200719A1 Etching
11/12/1986CN85203744U Numberical controlled machine special for corrosion processing of die
11/11/1986US4622344 Recovery of ammoniacal copper with novel organogels
11/11/1986US4622097 Process for producing copper through-hole printed circuit board
11/06/1986EP0159349A4 Processes for treating waste streams.
11/04/1986US4620934 Soluble fluorinated cycloalkane sulfonate surfactant additives for NH4
11/04/1986US4620894 Apparatus for processing circuit board substrate
10/1986
10/28/1986US4619731 Process for etching via holes in alumina
10/28/1986US4619707 Aqueous solution of nitrobenzenesulfonic acid
10/23/1986WO1986006007A1 Industrial exhaust ventilation system
10/21/1986US4618398 Plasma mixture of boron trichloride, chlorine, hydrocarbon to etch aluminum or its alloys
10/21/1986CA1213044A1 Process of lift-off of material
10/14/1986US4617202 For confining protective coatings to desired locations on workpieces
10/01/1986EP0195836A1 Method of making orifice plates and product so obtained
09/1986
09/23/1986US4613400 In-situ photoresist capping process for plasma etching
09/23/1986US4613070 Method of making cookware
09/23/1986CA1211691A1 Thallium-containing composition for stripping palladium
09/23/1986CA1211690A1 Demetallizing apparatus
09/17/1986EP0119188B1 Method and apparatus for forming gravure cells in a gravure cylinder
09/16/1986US4612084 Method for treating the edges of a sawtooth wire for the card clothing of textile machines
09/09/1986US4610759 Mineral acid, reducing agent
09/09/1986US4610755 Demetallizing method
09/03/1986EP0192656A1 Interferometric methods for device fabrication.
09/02/1986US4609575 Mixing reactants at face of substrate
08/1986
08/26/1986US4608091 Peroxide selective stripping compositions and method
08/26/1986US4607590 Apparatus for directing fluid stream against substrate sheet
08/19/1986CA1209886A1 Peroxide selective stripping compositions and method
08/19/1986CA1209885A1 Liquid etching reactor and method
08/05/1986US4604175 Dividing into two streams, reducing cupper chloride to copper and oxidation of ferric chloride to ferrous chloride using chlorine permeable anode
07/1986
07/22/1986US4601780 Process of recovering aluminum etchant
07/15/1986US4600600 Method for the galvanic manufacture of metallic bump-like lead contacts
07/15/1986US4600480 Electroless deposition and electrodeposition of metal, stripping
07/15/1986US4600470 Method for etching small-ratio apertures into a strip of carbon steel
07/15/1986US4600463 Blowing treatment liquid upward
07/03/1986WO1986003886A1 Triode plasma reactor with magnetic enhancement
06/1986
06/25/1986EP0185523A2 Photoetching process for making surgical needles
06/25/1986EP0185303A2 Electrically conducting copper layers and process for their production
06/17/1986US4595451 Process and apparatus for etching printed circuit boards
06/11/1986EP0184352A1 Method of surface treatment
06/05/1986WO1986003336A1 Ethylene glycol etch for processes using metal silicides
06/04/1986EP0183561A2 Microwave plasma processing process and apparatus
06/03/1986US4592854 Steel etchant
05/1986
05/28/1986EP0182306A2 Etchant composition
05/27/1986US4591489 Process for the treatment of hydrochloric acid pickles containing iron and zinc
05/27/1986US4591169 Seal arrangement for retaining a liquid level above a strip passing through a chamber