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Blackfox Training Institute, LLC

Blackfox is the industry leader inproviding IPC Certifications, Solder Training, Customized Training Programs, and Counterfeit Component Training and Certification.

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Main Office

701 Delaware Ave. Unit B
Longmont, Colorado, 80501
USA


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  • QFN welding problem by reflux oven 10 zones
  • Sebas  2/18/2020 16 posts
    1233 views
    Hi everyone I have problems welding QFN components in a 10-zone reflux oven, we cannot make a welding fillet that covers the entire QFN pin. Currently we use paste T4 - 63Sn / 37Pb. I enclose the curve of the oven profile. Any help or support on this topic is appreciated by improving the oven profile or better understanding this process thanks.
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