Featured SMT / PCB Electronics Manufacturing Company:

Heller Industries Inc.

Reflow ovens for automated SMT PCB assembly, specializing in lead free processing and nitrogen reflow. The best convection reflow ovens on the market.

i4.0 Today caught up with Marc Peo of Heller Industries at IPC Apex Expo in San Diego, to discuss the IPC CFX initiative.

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Main Office

4 Vreeland Rd.
Florham Park, New Jersey, 07932
USA


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  • QFN welding problem by reflux oven 10 zones
  • Sebas  2/18/2020 16 posts
    1235 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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