(19) |
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(11) |
EP 0 141 507 A3 |
(12) |
EUROPEAN PATENT APPLICATION |
(88) |
Date of publication A3: |
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10.07.1985 Bulletin 1985/28 |
(43) |
Date of publication A2: |
|
15.05.1985 Bulletin 1985/20 |
(22) |
Date of filing: 06.09.1984 |
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(84) |
Designated Contracting States: |
|
BE DE FR GB IT NL |
(30) |
Priority: |
08.09.1983 GB 8324060
|
(71) |
Applicant: BRENT CHEMICALS INTERNATIONAL PLC |
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() |
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(54) |
Method and apparatus for electroless plating |
(57) An electroless plating process in which an article is plated while immersed in a
plating solution containing a plating metal such as nickel and a reducing agent such
as hypophosphate is modified by applying an electrical potential difference between
the article, as cathode, and an anode in electrical contact with the plating solution.
The current density is generally far below that required to cause electroplating and
preferably is 0.01 to 0.05 A/dm
2 on the cathodic article surface.