DEFSTAN 03-17/3(2007) : 2007
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
ELECTRO-DEPOSITION OF GOLD
Hardcopy , PDF
04-30-2015
English
01-01-2007
Foreword
Introduction
1 Scope
2 Warning
3 Normative References
4 Definitions
4.2 Gold alloy coating
4.3 Gold coating
4.4 Multiple layer gold coating
4.5 Process control schedule
4.6 Significant surface
5 Information to be supplied by the purchaser
6 Process control
7 Process requirements
7.1 General
7.2 Undercoats
7.3 Classification code
7.3.1 Classification
7.3.2 Classification code examples
7.4 Gold plating
7.4.1 Electrolytes
7.4.2 Washing
7.5 Thickness of gold coating
7.5.1 For solderability
7.5.2 For purposes other than solderability
7.6 Heat treatment
7.6.4 Heat treatment of aluminium alloys
8 Inspection and test
8.1 Inspection
8.2 Selection of test samples
8.3 Visual inspection
8.4 Porosity
8.5 Adhesion
8.6 Thickness of coating
8.6.1 General
8.6.2 Local thickness
8.6.3 Vat plated items
8.6.4 Barrel plated items
8.7 Hardness
8.8 Solderability
8.9 Gold content
Annex A Environmental Tests
A.1 General
A.2 Sulfur Dioxide Exposure Test
A.3 Nitric Acid Test
Annex B Porosity Tests
B.1 General
B.2 Specimen and equipment preparation
B.3 Cadmium sulphide test for assessment of gold on
copper substrates/undercoats
B.4 Nioxime test for assessment of gold on nickel
substrates/undercoats
B.5 Notes on the tests
B.5.6 Cadmium sulphide paper
B.5.7 Nioxime paper
Annex C Adhesion Tests
C.1 Burnishing test
C.2 Bend test
C.3 Quenching test
Annex D Determination of Gold Content of Gold or Gold
Alloy Deposits
D.1 Principle
D.2 Reagents
D.3 Method
D.4 Calculation
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