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SMT Stencil

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The purpose of an SMT stencil is to transfer solder paste to a bare circuit board. Before the assembly of the SMT components solder paste is printed onto the component pads of the printed circuit board by stencil, which are today usually manufactured from steel, more rarely from nickel or polyimide.

Community > Groups > SMT Stencil > Stencil Cleaner Chemistries
Stencil Cleaner Chemistries
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Hank

Hello all, Just curious as to what type of chemistries most people prefer to use and what produces the best results. We currently have an EMC Global Technologies Cyber Clean 1000 Model 32P system. We use Isopropyl Alcohol currently to clean stencils, but I am not very happy with the results. To me, it doesn't appear to clean very well, as well as, leaving a residue on the screens. We are moving into BGA and very fine QFP products and I am concerned with our current setup. I have samples of Zestron SD 301 compound coming in for a trial.
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john brooks

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givisas

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TECNOSOLUZIONI

Very interesting post.

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