GB493485A - Process for the electrolytic production of metal coatings on objects with a non-conducting surface - Google Patents

Process for the electrolytic production of metal coatings on objects with a non-conducting surface

Info

Publication number
GB493485A
GB493485A GB36060/37A GB3606037A GB493485A GB 493485 A GB493485 A GB 493485A GB 36060/37 A GB36060/37 A GB 36060/37A GB 3606037 A GB3606037 A GB 3606037A GB 493485 A GB493485 A GB 493485A
Authority
GB
United Kingdom
Prior art keywords
copper
gms
objects
conducting surface
metal coatings
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB36060/37A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Langbein Pfanhauser Werke AG
Original Assignee
Langbein Pfanhauser Werke AG
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 by Langbein Pfanhauser Werke AG filed Critical Langbein Pfanhauser Werke AG
Publication of GB493485A publication Critical patent/GB493485A/en
Expired legal-status Critical Current

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
    • H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/18—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
    • H05K3/188—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by direct electroplating

Abstract

493,485. Electroplating. LANGBEIN. PFANHAUSER - WERKE AKT. - GES. Dec. 30, 1937, No. 36060. Convention date, Jan. 13. [Class 41] An object with a nonconducting surface is coated with a very thin layer of metal such as silver or copper, e.g. by chemical reduction and is then coated with copper electrolytically in a copper sulphate solution of pH 3À4-1À8, e.g. a solution containing 40-100 gms. of copper sulphate and up to 2À5 gms. free sulphuric acid per litre. The copper deposit is then thickened in an ordinary acid copper bath, e.g. one containing 200-300 gms. of copper sulphate and 15-40 gms. free sulphuric acid per litre (pH 1À1-0À9) or in a cyanide bath.
GB36060/37A 1937-01-13 1937-12-30 Process for the electrolytic production of metal coatings on objects with a non-conducting surface Expired GB493485A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE493485X 1937-01-13

Publications (1)

Publication Number Publication Date
GB493485A true GB493485A (en) 1938-10-10

Family

ID=6544570

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36060/37A Expired GB493485A (en) 1937-01-13 1937-12-30 Process for the electrolytic production of metal coatings on objects with a non-conducting surface

Country Status (2)

Country Link
US (1) US2243429A (en)
GB (1) GB493485A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4374709A (en) * 1980-05-01 1983-02-22 Occidental Chemical Corporation Process for plating polymeric substrates
US4619741A (en) * 1985-04-11 1986-10-28 Olin Hunt Specialty Products Inc. Process for preparing a non-conductive substrate for electroplating
US4631117A (en) * 1985-05-06 1986-12-23 Olin Hunt Specialty Products Inc. Electroless plating process
US4724005A (en) * 1985-11-29 1988-02-09 Olin Hunt Specialty Products Inc. Liquid carbon black dispersion
US4684560A (en) * 1985-11-29 1987-08-04 Olin Hunt Specialty Products, Inc. Printed wiring board having carbon black-coated through holes
US4622108A (en) * 1986-05-05 1986-11-11 Olin Hunt Specialty Products, Inc. Process for preparing the through hole walls of a printed wiring board for electroplating
US4622107A (en) * 1986-05-05 1986-11-11 Olin Hunt Specialty Products Inc. Process for preparing the through hole walls of a printed wiring board for electroplating
US4718993A (en) * 1987-05-29 1988-01-12 Olin Hunt Specialty Products Inc. Process for preparing the through hole walls of a printed wiring board for electroplating
US4969979A (en) * 1989-05-08 1990-11-13 International Business Machines Corporation Direct electroplating of through holes
US5106537A (en) * 1990-04-12 1992-04-21 Olin Hunt Sub Iii Corp. Liquid dispersion for enhancing the electroplating of a non-conductive surface
US4964959A (en) * 1990-04-12 1990-10-23 Olin Hunt Specialty Products Inc. Process for preparing a nonconductive substrate for electroplating
US4994153A (en) * 1990-06-28 1991-02-19 Olin Corporation Process for preparing nonconductive substrates
US5139642A (en) * 1991-05-01 1992-08-18 Olin Corporation Process for preparing a nonconductive substrate for electroplating
US6303181B1 (en) 1993-05-17 2001-10-16 Electrochemicals Inc. Direct metallization process employing a cationic conditioner and a binder
US5690805A (en) * 1993-05-17 1997-11-25 Electrochemicals Inc. Direct metallization process
US6171468B1 (en) 1993-05-17 2001-01-09 Electrochemicals Inc. Direct metallization process
US5725807A (en) * 1993-05-17 1998-03-10 Electrochemicals Inc. Carbon containing composition for electroplating
US6710259B2 (en) 1993-05-17 2004-03-23 Electrochemicals, Inc. Printed wiring boards and methods for making them
US5476580A (en) * 1993-05-17 1995-12-19 Electrochemicals Inc. Processes for preparing a non-conductive substrate for electroplating
US5674372A (en) * 1996-09-24 1997-10-07 Mac Dermid, Incorporated Process for preparing a non-conductive substrate for electroplating

Also Published As

Publication number Publication date
US2243429A (en) 1941-05-27

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