Category:PCB Assembly 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.

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Stencil Cleaner Chemistries Reply 2017-02-02 00:26:15
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Hank

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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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Statement: This post is only the personal view of the author and does not represent the opinions of ALLPCB.com.

john brooks

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Like this post very much.

givisas

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Inictllgenee and simplicity – easy to understand how you think.

Colby

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A great sharing for beginners. Thanks for your efforts and I will follow you and keep reading your posts.

Balazs Szucs

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I am a new beginner and looking for good info for study. The posted info is pretty good. I will share it with my friends.

TECNOSOLUZIONI

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Very interesting post.
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