You can use a burnishing pen, scratch brush, or fiberglass pen. It looks like an eraser pen but has fiberglass brush bristles come out. It’s much more precise, gentle, and safe than a knife, dremel, or sandpaper. Just pretend it’s an eraser. Normally used to scrape away oxidiation and rust.
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What I would like to know is if ICs also have a limited shelf life and if so, do some types suffer more than others?
Many assembly factories are asking for SMT jobs, while I think through hole would be a better option for a high voltage application. Before the high voltage project is started, we need to make a call on SMT or Through hole parts. Is there a study on this?
Wireless charging is so convenient for user because it doesn’t need any wire, but it is not so popular as market. It must be some reasons in supplier side, isn’t it?
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