SUPPRESSING TIN WHISKER GROWTH IN LEAD-FREE SOLDERS AND PLATNGS
A process of irradiation Sn containing Pb-free solder to mitigate whisker formation and growth thereon is provided. The use of gamma radiation such as cobalt-60 has been applied to a substrate of Sn on copper has been found to change the morphology of the crystalline whisker growth to a more truncat...
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| Main Authors | , |
|---|---|
| Format | Patent |
| Language | English |
| Published |
11.04.2013
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| Subjects | |
| Online Access | Get full text |
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| Abstract | A process of irradiation Sn containing Pb-free solder to mitigate whisker formation and growth thereon is provided. The use of gamma radiation such as cobalt-60 has been applied to a substrate of Sn on copper has been found to change the morphology of the crystalline whisker growth to a more truncated hillock pattern. The change in morphology greatly reduces the tendency of whiskers to contribute to electrical short-circuits being used as a Pb-free solder system on a copper substrate. |
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| AbstractList | A process of irradiation Sn containing Pb-free solder to mitigate whisker formation and growth thereon is provided. The use of gamma radiation such as cobalt-60 has been applied to a substrate of Sn on copper has been found to change the morphology of the crystalline whisker growth to a more truncated hillock pattern. The change in morphology greatly reduces the tendency of whiskers to contribute to electrical short-circuits being used as a Pb-free solder system on a copper substrate. |
| Author | LAM POH-SANG HOFFMAN ELIZABETH N |
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| Notes | Application Number: US201113269803 |
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| RelatedCompanies | LAM POH-SANG HOFFMAN ELIZABETH N SAVANNAH RIVER NUCLEAR SOLUTIONS, LLC |
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| Snippet | A process of irradiation Sn containing Pb-free solder to mitigate whisker formation and growth thereon is provided. The use of gamma radiation such as... |
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| SubjectTerms | GAMMA RAY OR X-RAY MICROSCOPES IRRADIATION DEVICES NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOTOTHERWISE PROVIDED FOR |
| Title | SUPPRESSING TIN WHISKER GROWTH IN LEAD-FREE SOLDERS AND PLATNGS |
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