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Understanding the Effect of Different Heating Cycles on Post-Soldering Flux Residues and the Impact on Electrical Performance

Published:

November 20, 2018

Author:

Brook Sandy-Smith, Indium Corporation and Terry Munson, Foresite Inc.

Abstract:

There are several industry-accepted methods for determining the reliability of flux residues after assembly. The recommended methods of test sample preparation do not always closely mimic the thermal cycle experienced by an assembly. Therefore, extraction from actual assemblies has become a popular method of process control to assess consistency of post-reflow cleanliness. Every method of post-reflow flux residue characterization will depend on the reflow process followed to prepare the coupon.

This investigation will focus on the effect of thermal conditions on the remainder of active ingredients in flux residues after assembly with no-clean solder pastes....

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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

(23) technical library articles

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