The FR4 fiberglass board material may actually be more of a problem. Hi Tom, I was reading the rest of your site and did a search on the paper you like.
Place face down on a clean sheet of paper until ready for use. The board was clean in seconds. Possibly, it would even work as well with just a Printer paper cheapest prices paper towel. It used to be,but I have heard that printer companies have become aware of this and to stop this loop hole by just installing starter cartridges that will not print very many copies and then you are right back where you started from having to purchase more ink.
PCB component-side with artwork applied: But I could use circular or straight motions, pressing almost as hard as possible, with absolutely no noticeable damage to the traces. And also from their website, at http: The boards made this way come out nearly perfect, nearly every time.
This seems to help prevent over-etching. Many people have reported very poor results when trying to use Brother laser printers for toner transfer.
And then when the board is turned component-side up, the pattern on the board is oriented how it was intended to be. And, before that, I used a hand-held metal-cutting hacksaw.
Note also that most people either agitate the etchant by hand, or use an air-bubbler tank. This would also help give eye-protection. I do it outside. He found this page with an internet search and then telephoned me Apparently I was the only one dumb-enough to include their phone number, on their webpage about making PCBs, heheh.
OR, you could use one of the persulphate etchants. PCB after removing enough paper; ready for etching: Sincerely, Bob Hi Tom! Mine are usually free, and filled with hot-and-spicy Szechuan or Hunan Chinese food, initially. I had to modify a small, cheap drillpress that I found laying around, to make it very precise in its linear motion, and also to remove its old drill head from it and precisely and rigidly mount the small rotary tool on it.
Their "HiRes" product supposedly can clearly reproduce 4-point type. For all of the above, "try it at your own risk", and "your mileage may vary", and "not suitable for any purpose", and "due to its graphic nature it should not be viewed by anyone", etc etc.
If you have a PCB layout software package that produces Gerber photoplotter files for the artwork for the different layers, and Excellon drill-control files, try submitting a ZIP file containing them, to the freeDFM service at the Advanced Circuits link, above.
It still actually startles me, every time I hear it. The same MAY be true for saw blades, although I have been using a small jigsaw-type saw relatively low speedwith actual metal-cutting blades very similar to a metal-cutting hacksaw blade, which I have also used, when I did them without a power sawWITHOUT noticeably-fast dulling.
I rubbed extremely hard. So, you could SEE if there were any pinholes, etc, in the toner. Keep doing it until almost no more discoloration is seen on the paper towel.
One time, when I was using a latex glove, and moving a pcb around in the etchant with my hand, I later discoverd that there was a hole in the glove, and that the glove had been filled with etchant for about 15 minutes. I have yet to see any defects, though, using the Staples Picture Paper.Shop for and buy the best 8 Port KVM, 8 Port KVM Switch, KVM 8 Port at wine-cloth.com; your source for the best computer deals anywhere, anytime.
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