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Electroless Chromium Plating

IP.com Disclosure Number: IPCOM000079075D
Original Publication Date: 1973-May-01
Included in the Prior Art Database: 2005-Feb-26
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Abstract

The following bath formulation provides reliable electroless deposition of chrome at either room temperature or elevated temperature: K Cr(SO(4))(3) or 10 - 20 g/l Cr(C(2)H(3)O(2))(3) Thioglycolic acid 10 ml/l Na(2)P(2)O(7) or 10 - 20 g/l Na tartrate NaH(2)PO(2) H(2)O 20 g/l - 40 g/l T/o/C 20 - 85 pH 2.0 - 3.0.

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Electroless Chromium Plating

The following bath formulation provides reliable electroless deposition of chrome at either room temperature or elevated temperature: K Cr(SO(4))(3) or

10 - 20 g/l

Cr(C(2)H(3)O(2))(3)

Thioglycolic acid 10 ml/l

Na(2)P(2)O(7) or

10 - 20 g/l

Na tartrate

NaH(2)PO(2) H(2)O 20 g/l - 40 g/l

T/o/C 20 - 85

pH 2.0 - 3.0.

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