Understanding SIR


February 6, 2014


Chris Nash, Technical Support Engineer, Eric Bastow, Senior Technical Support Engineer; Indium Corporation.


Many electronics manufacturers perform SIR testing to evaluate solder materials and sometimes the results they obtain differ significantly from those stated by the solder material provider. The difference in the results is typically the result of SIR coupon preparation. This paper will discuss the issue of SIR coupon preparation, board cleaning techniques, and how board cleanliness directly affects SIR results....

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Company Information:

Indium Corporation

Solder pastes, solder preforms, solder spheres, soldering fluxes, electrically-conductive adhesives. All alloys: tin-lead, lead-free, indium alloys, and more.

Utica, New York, USA

Manufacturer of Assembly Material, Soldering

  • Phone 315-853-4900
  • Fax 315-853-1000

Indium Corporation website

Company Postings:

(9) products in the catalog

(24) technical library articles

(278) news releases

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