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Brightener for Plated Tin Lead Surfaces

IP.com Disclosure Number: IPCOM000074390D
Original Publication Date: 1971-Apr-01
Included in the Prior Art Database: 2005-Feb-23
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Boles, JG: AUTHOR

Abstract

Surfaces of plated tin-lead deposits dulled by dark oxides can be cleansed and brightened by immersion, for 3-5 minutes, in the solution: Na Cl O(2) - 6 pbw Na(3) PO(4) - 1 pbw Na OH - 0.5 pbw Dl water - 100 pbw Operating Temperature: 200 degrees F.

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Brightener for Plated Tin Lead Surfaces

Surfaces of plated tin-lead deposits dulled by dark oxides can be cleansed and brightened by immersion, for 3-5 minutes, in the solution: Na Cl O(2) - 6 pbw

Na(3) PO(4) - 1 pbw

Na OH - 0.5 pbw

Dl water - 100 pbw

Operating Temperature: 200 degrees F.

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