Electronics Forum: concave fr4 (Page 1 of 1)

Intrusive Reflow

Electronics Forum | Wed Nov 20 03:52:16 EST 2002 | iman

Hello, need help on intrusive reflow process, thanks in advance to the experts and general info sharing :) need some help to obtain answers, to following questions: 1) PCB is FR4, 1.6mm thick, 4 layers, what stencil thickness (stencil design guide

Re: Board Warp And Twist

Electronics Forum | Thu Aug 10 13:12:10 EDT 2000 | Bob Willis

You may care to review the following from my Circuits Assembly page on line. "HOW FLAT IS FLAT AND DO WE NEED FLAT CIRCUIT BOARD, YES WE DO ? As production problems go there is one that keeps reoccurring time and time again. The blame is usually di

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