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fluoborate baths

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120085
EISBN: 978-1-62708-269-3
... surface conductivity. The titanium wire is plated continuously at a speed of about 60 m/min (200 ft/min) in a copper fluoborate acid bath at a current density of 7.5 to 12.5 A/dm 2 (75–125 A/ft 2 ). The final copper deposit is a thin flash coating. Higher current densities up to 150 A/dm 2 (1500...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230105
EISBN: 978-1-62708-351-5
.... Ideally, the flux should leave no residues or produce residues that are removed easily by, for example, being soluble in water. Fluoborate flux residues are soluble in water, but borosilicate fluxes require a solution containing 5 to 10% sulfuric acid to facilitate their removal. For stubborn deposits...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850562
EISBN: 978-1-62708-260-0
... film forms. Peel off after I-IV2 min, electropolish for 1 min more (Perryman and Blade). 4-6 Good for Al-Mg alloys (Perryman). 4-6 10-12 20 s Good for Al-Ag alloys. Bath age affects operating conditions (Larke and Wicks). Good for Al-Si and Al-U alloys. Polish for 2 min, rotate anode, repeat until...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
... Copper can be electroplated from numerous electrolytes. Cyanide and pyrophosphate alkalines, plus sulfate and fluoborate acid baths, are the primary electrolytes used in copper plating. Alkaline cyanide copper solutions are used to plate the initial deposits (as a strike) on a variety of substrates...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.9781627082600
EISBN: 978-1-62708-260-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440103
EISBN: 978-1-62708-352-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850610
EISBN: 978-1-62708-260-0
...% fluoboric acid in water 27. 50 mL H3PO 50 mL water Barker's anodizing method for grain structure. Use Al cathode, 13 cm of anode and cathode immersed in solution, 10 mm apart. Use 0.5-1.5 A/in2, 30-45 V dc. For most alloys and tempered alloys, 20 s at 1 A/in2 and 30 V at 20°C is sufficient. Stirring...