Grok.com: "What is the best website for metal finishing questions and answers?"

finishing.com -- The Home Page of the Finishing Industry

-----

EN plate on Sn film

September 28, 2013

Q. I am curious about the feasibility of plating electroless nickel (acidic with hypophosphite reducing agent) onto a thin (500A or less) evaporated Sn film.

Am I correct in assuming that the Sn surface will not be auto-catalytic for EN? If so, would it be possible to achieve a 5µm NiP film with the aid of a Pd activation step on the Sn surface?

This is a semiconductor application. Ideally any activating solution or strike would be compatible with positive photoresist.

Thanks very much.

Nick Wiswell
Graduate Student - San Luis Obispo, California

(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: