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Tin Wiskering
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Environmentally Certified Electronic Resale Trade Alliance |
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Standard lead tin whisker mitigation
Parts that are plated with tinned solder types are dipped in a higher Pb concentration solder to create a pressure stress barrier hindering the growth propensity of tin whiskering. We use techniques as recommended by iNEMI for the reduction of tin-whiskering including heat annealing and robotic hot solder dipping. E-Certa's robotic hot solder dipping technique and annealing process makes tin whisker mitigation for lead solder a necessary tool for
military and exempted applications. E-Certa's tin whisker mitigation technique is a fluid process with critical attention given to your product's integrity.
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Optimal pb free tin whisker mitigation
E-Certa offers military/aerospace and RoHS exempt applications the following mitigating technique to tin whisker mitigation strategies. According to the iNEMI Tin Whisker User Group's report titled "Recommendations on Lead-free Finishes for Components Used in High-Reliability Products" there is evidence that this technique may not
be effective when performed on the new 99 percent tin RoHS compliant product entering the supply chain today. It is E-Certa's opinion that a valid tin whisker mitigation technique could include a qualified stripping process to the original substrate, which creates inter-metallic bonding with copper instead of the original tin/Pb
finish. This practice along with proper annealing and robotic hot solder dipping techniques could be used to form an effective tin whisker mitigation approach. E-Certa has worked jointly with Sanmina SCI conducting a study and the appropriate testing to validate these theories.
European RoHS directive may cause component inventory misalignment
(January 2007 )
Many experts predict severe inventory misalignment as a result of the European Union's Restrictions on Hazardous Substances (RoHS) directive to eliminate lead from solder, according to experts at the Environmentally Certified Electronic Resale Trade Alliance (E-CERTA) in Bloomington, Ind.
Watch the Video Learn about component conversion - a physical process to convert Pb status of components. |
Regulatory compliancy or litigation - the choice is yours. |
RoHS Compliancy
The first step on your pathway to meeting your "due diligent" requirements or RoHS compliancy. |