Ion beam modification of noble metals for electrical contacts

Hattar, Khalid Mikhiel; Mogonye, Jon-Erik; Prasad, Somuri V.

Title: Ion beam modification of noble metals for electrical contacts

Patent · Tue Feb 19 00:00:00 EST 2019

OSTI ID:1503293

Hattar, Khalid Mikhiel; Mogonye, Jon-Erik; Prasad, Somuri V.

Ion beam modification of noble metal electrical contact coatings can achieve suitable friction and wear behavior with inherently stable low ECR. For example, this method of producing Au electrical contact coatings can produce wear properties similar to electroplated hard Au, but without the environmental concerns due to stringent OSHA regulations on the use and disposal of toxic chemicals associated with Au electroplating baths. Integration of physical vapor deposition techniques with ion implantation can produce noble metal coatings with surfaces modified to achieve the desired balance between adhesion/friction/wear and electrical contact resistance on a commercial scale.

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Research Organization:: Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC04-94AL85000

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

Patent Number(s):: 10,210,964

Application Number:: 14/800,898

OSTI ID:: 1503293

Resource Relation:: Patent File Date: 2015 Jul 16

Country of Publication:: United States

Language:: English

References (11)

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Hardening by bubbles in He-implanted Ni Knapp, J. A.; Follstaedt, D. M.; Myers, S. M. Journal of Applied Physics, Vol. 103, Issue 1 https://doi.org/10.1063/1.2831205	journal	January 2008
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Friction and wear of ion-implanted metals—A review Hartley, N. E. W. Thin Solid Films, Vol. 64, Issue 2 https://doi.org/10.1016/0040-6090(79)90508-X	journal	December 1979
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