Multifunctional composite coatings for metal whisker mitigation

Rohwer, Lauren E. S.; Martin, James E.

Title: Multifunctional composite coatings for metal whisker mitigation

Patent · Tue Jan 08 00:00:00 EST 2019

OSTI ID:1494556

Rohwer, Lauren E. S.; Martin, James E.

The present invention relates to composite coatings including particles embedded in a matrix, as well as methods and uses thereof. In some examples, the particles are aligned to enhance mitigation of whisker formation from an underlying metal material. Such coatings can be applied to electrical components, thereby reducing the possibility of electrical short circuits from aberrant whisker growth.

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Research Organization:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC04-94AL85000

Assignee:: National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)

Patent Number(s):: 10,178,756

Application Number:: 14/926,545

OSTI ID:: 1494556

Resource Relation:: Patent File Date: 2015 Oct 29

Country of Publication:: United States

Language:: English

References (10)

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Annotated tin whisker bibliography and anthology Galyon, G. T. IEEE Transactions on Electronics Packaging Manufacturing, Vol. 28, Issue 1 https://doi.org/10.1109/TEPM.2005.847440	journal	January 2005
Smart coating system Watts, Daniel J.; Battista, Laura; Zunino, III, James L. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7244500 US Patent Document 7,244,500	patent	July 2007
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The Electrical Conductivity of Titanium Dioxide Earle, Marshall D. Physical Review, Vol. 61, Issue 1-2 https://doi.org/10.1103/PhysRev.61.56	journal	January 1942
Electrical components including abrasive powder coatings for inhibiting tin whisker growth Jackson, Merrill; Humphrey, David https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7604871 US Patent Document 7,604,871	patent	October 2009
Permeability of polymer/clay nanocomposites: A review Choudalakis, G.; Gotsis, A. D. European Polymer Journal, Vol. 45, Issue 4 https://doi.org/10.1016/j.eurpolymj.2009.01.027	journal	April 2009
Evaluation of Effectiveness of Conformal Coatings as Tin Whisker Mitigation Han, Sungwon; Osterman, Michael; Meschter, Stephan Journal of Electronic Materials, Vol. 41, Issue 9 https://doi.org/10.1007/s11664-012-2179-2	journal	July 2012
Platelet Composite Coatings for Tin Whisker Mitigation Rohwer, Lauren E. S.; Martin, James E. Journal of Electronic Materials, Vol. 44, Issue 11 https://doi.org/10.1007/s11664-015-4026-8	journal	September 2015

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