-
- News
- Books
Featured Books
- smt007 Magazine
Latest Issues
Current IssueBox Build
One trend is to add box build and final assembly to your product offering. In this issue, we explore the opportunities and risks of adding system assembly to your service portfolio.
IPC APEX EXPO 2024 Pre-show
This month’s issue devotes its pages to a comprehensive preview of the IPC APEX EXPO 2024 event. Whether your role is technical or business, if you're new-to-the-industry or seasoned veteran, you'll find value throughout this program.
Boost Your Sales
Every part of your business can be evaluated as a process, including your sales funnel. Optimizing your selling process requires a coordinated effort between marketing and sales. In this issue, industry experts in marketing and sales offer their best advice on how to boost your sales efforts.
- Articles
- Columns
Search Console
- Links
- Events
||| MENU - smt007 Magazine
Risk and Mitigation for Tin Whiskers and Tin Pest
February 10, 2015 | Dr. Ronald C. Lasky, Indium Corp.Estimated reading time: Less than a minute
There is considerable and justifiable concern over the risks of tin whiskers. However, the same concern is not apparent regarding the dangers of tin pest. This paper will present an overview of both of these reliability concerns by reviewing what is known about the mechanisms and the occurrence of both phenomena.
Mitigation techniques will be discussed, and for tin whiskers, the discussion will focus on barriers between the tin and copper base metal, additions of bismuth to the tin, annealing of the tin, designs that minimize tin whisker failure risk, and over-coatings of the tin. For tin pest, the mitigation technique will be primarily adding bismuth or antimony to the tin.
The article will close with a semi-quantitative analysis of the effect of these mitigation strategies on tin pest and tin whisker risk.
Editor’s Note: This article originally appeared in the February 2015 issue of SMT Online Magazine