BE820461A - Procede pour eviter la formation de taches sur des plaques de cuivre - Google Patents

Procede pour eviter la formation de taches sur des plaques de cuivre

Info

Publication number
BE820461A
BE820461A BE149000A BE820461A BE820461A BE 820461 A BE820461 A BE 820461A BE 149000 A BE149000 A BE 149000A BE 820461 A BE820461 A BE 820461A BE 820461 A BE820461 A BE 820461A
Authority
BE
Belgium
Prior art keywords
stains
avoiding
formation
copper plates
copper
Prior art date
Application number
BE149000A
Other languages
English (en)
Inventor
Ch B Yates
A M Wolski
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE820461A publication Critical patent/BE820461A/fr

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/28—Applying non-metallic protective coatings
    • H05K3/282—Applying non-metallic protective coatings for inhibiting the corrosion of the circuit, e.g. for preserving the solderability
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/38—Chromatising
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03—Conductive materials
    • H05K2201/0332—Structure of the conductor
    • H05K2201/0335—Layered conductors or foils
    • H05K2201/0355—Metal foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing Of Printed Wiring (AREA)
BE149000A 1972-09-08 1974-09-27 Procede pour eviter la formation de taches sur des plaques de cuivre BE820461A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00287437A US3853716A (en) 1972-09-08 1972-09-08 Electrolytic copper stainproofing process

Publications (1)

Publication Number Publication Date
BE820461A true BE820461A (fr) 1975-01-16

Family

ID=23102905

Family Applications (1)

Application Number Title Priority Date Filing Date
BE149000A BE820461A (fr) 1972-09-08 1974-09-27 Procede pour eviter la formation de taches sur des plaques de cuivre

Country Status (2)

Country Link
US (1) US3853716A (fr)
BE (1) BE820461A (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981691A (en) * 1974-07-01 1976-09-21 Minnesota Mining And Manufacturing Company Metal-clad dielectric sheeting having an improved bond between the metal and dielectric layers
US4647315A (en) * 1985-07-01 1987-03-03 Olin Corporation Copper stainproofing technique
US4846918A (en) * 1988-02-24 1989-07-11 Psi Star Copper etching process and product with controlled nitrous acid reaction
US4927700A (en) * 1988-02-24 1990-05-22 Psi Star Copper etching process and product with controlled nitrous acid reaction
US4961828A (en) * 1989-04-05 1990-10-09 Olin Corporation Treatment of metal foil
US5057193A (en) * 1989-04-05 1991-10-15 Olin Corporation Anti-tarnish treatment of metal foil
US4952285A (en) * 1989-04-14 1990-08-28 Olin Corporation Anti-tarnish treatment of metal foil
US4915797A (en) * 1989-05-24 1990-04-10 Yates Industries, Inc. Continuous process for coating printed circuit grade copper foil with a protective resin
US5022968A (en) * 1990-09-20 1991-06-11 Olin Corporation Method and composition for depositing a chromium-zinc anti-tarnish coating on copper foil
US5230932A (en) * 1989-10-13 1993-07-27 Olin Corporation Chromium-zinc anti-tarnish coating for copper foil
US5098796A (en) * 1989-10-13 1992-03-24 Olin Corporation Chromium-zinc anti-tarnish coating on copper foil
US5250363A (en) * 1989-10-13 1993-10-05 Olin Corporation Chromium-zinc anti-tarnish coating for copper foil having a dark color
US5071520A (en) * 1989-10-30 1991-12-10 Olin Corporation Method of treating metal foil to improve peel strength
US5164235A (en) * 1990-03-06 1992-11-17 Olin Corporation Anti-tarnish treatment of metal foil
WO1992000405A1 (fr) * 1990-07-02 1992-01-09 Olin Corporation Rincage de feuilles de cuivre apres un traitement anti-ternissement
US5215646A (en) * 1992-05-06 1993-06-01 Circuit Foil Usa, Inc. Low profile copper foil and process and apparatus for making bondable metal foils
US5332486A (en) * 1993-01-29 1994-07-26 Gould Electronics Inc. Anti-oxidant coatings for copper foils
US5447619A (en) * 1993-11-24 1995-09-05 Circuit Foil Usa, Inc. Copper foil for the manufacture of printed circuit boards and method of producing the same
US5989727A (en) * 1998-03-04 1999-11-23 Circuit Foil U.S.A., Inc. Electrolytic copper foil having a modified shiny side
US6145468A (en) * 1998-10-19 2000-11-14 Woog; Manfred J. Silver indicator methods and test kit
AU2001268277A1 (en) * 2000-06-08 2001-12-17 World Properties Inc. Method of manufacturing circuit laminates
US6538211B2 (en) 2000-08-15 2003-03-25 World Properties, Inc. Multi-layer circuits and methods of manufacture thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3625844A (en) * 1969-06-05 1971-12-07 Circult Foll Corp Stainproofing process and products resulting therefrom

Also Published As

Publication number Publication date
US3853716A (en) 1974-12-10

Similar Documents

Publication Publication Date Title
BE820461A (fr) Procede pour eviter la formation de taches sur des plaques de cuivre
BE759763A (fr) Procede pour la preparption de 1,2-polybutadiene
RO64682A (fr) Procede pour la purification des chloresilanes
BE774828A (fr) Procede pour ameliorer des pieces coulees
RO69708A (fr) Procede pour obtenir des methylmercaptans
RO63025A (fr) Procede pour la preparation des aminophenyletanolamines
BE780013A (fr) Procede pour la propagation des rhizomes de pommiers nains
BE787182A (fr) Procede pour fabriquer des cadres de raquettes
RO62818A (fr) Procede pour la preparation des 1-aminosulfonyle-2-aminobenzimidazoles
RO62622A (fr) Procede pour la preparation des 1-hydroxy-2-pyridones
BE792936A (fr) Procede pour produire des supraconducteurs
RO62817A (fr) Procede pour la preparation des 1-acyle-3-aminosulfonyle-2-benzimidazoles
BE791212A (fr) Procede pour le durcissement des reserves
RO68372A (fr) Procede pour la preparation des 2-(amino-phenyle-imino)-3-aza-thia-cycloalcanes
RO62896A (fr) Procede pour la preparation des 7-aminocephalosporines
RO62820A (fr) Procede pour la preparation des 3-carbamoyl-oxymethylcephalosporines primaires
RO65788A (fr) Procede pour obtenir des penicilines procede pour obtenir des penicillines
RO62628A (fr) Procede pour la nitruration des surfaces metalliques
RO63005A (fr) Procede pour la preparation des carbamoilsulfoxydes
RO72164A (fr) Procede pour la preparation des oenicillines
RO62772A (fr) Procede pour obtenir des oximcarbamates n-sulfeniles
RO63441A (fr) Procede pour la preparation des 2-benzoyl-3-aminopyridines
RO62811A (fr) Procede pour la preparation des 2-amimo-4-h-pyrannes
RO80063A (fr) Procede pour la preparation des chloracetanilides n-substitus
RO77618A (fr) Procede pour l'obtention des inhibiteur de sucrose

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: YATES INDUSTRIES INC.

Effective date: 19910930