(Cycles thru suppliers)


Letter 35002

Titanium anode basket passivation

+++++

We are currently using SnPb plating and Pure tin matte finish chemistry and our machines are meco EDF+EPL 2400's strip to strip. Can you please explain to us how the titanium basket become passivated? Is this also similar to the passivation of anode balls? How do you activate it if it is passivated?what will be its impact on the plating solution and its implication on the finish product?

Thanks!

Michael T [name deleted for privacy]
semiconductor - Laguna


I don't believe that this is any problem at all, Michael. The anode basket does become passivated with a thin coating of titanium oxides due to its having a positive charge on it, but these should not interfere with it carrying the current to the anodes that are in it. I have never heard of activating a passivated anode basket.


Ted Mooney, P.E. 
finishing.com
Brick, New Jersey


Dear Reader, please --

Answer or follow-up on this subject (in non-commercial fashion).
 
Post a new question or inquiry on a different subject.
 
View the most current finishing questions and RFQs
 
This is a monitored forum. If you spot broken links or obsolete info, please advise!


Legal disclaimer boilerplate button

List of Directories
Jobshops Directory button Environmental Directory button Equipment Directory button Consultants Directory button Chemicals Directory button Test Directory button Help-Wanted Directory button About Advertising button Classifieds Directory button Booklist button

 

Link to Del.icio.us button Save This Page (why?)    -    Home    -    ©1995-2009 finishing.com