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Old 10th September 2012, 06:53 AM   #1
JanErik is offline JanErik  Finland
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Default Toner transfer or photoresist for SMD precision PCB

Which would you recommend? I have previously used photoresist PCBs (with paper only, not transparencies) and a desk light, for hole mounted only, but people seem to be getting good results with toner transfer too. I need to buy a new printer anyway, should decide on laser or inkjet (better for transparency masks afaik).
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Old 10th September 2012, 07:21 AM   #2
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With enough research and eventual practice, either method can yield excellent results.

I use toner transfer and have perfected my method, so I have no reason to ever invest in trying photoresist.
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Old 10th September 2012, 07:24 AM   #3
jcx is online now jcx  United States
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Toner transfer for PCBs having BGA packages on them!!!
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Old 10th September 2012, 10:38 PM   #4
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Quote:
Originally Posted by JanErik View Post
Which would you recommend? I have previously used photoresist PCBs (with paper only, not transparencies) and a desk light, for hole mounted only, but people seem to be getting good results with toner transfer too. I need to buy a new printer anyway, should decide on laser or inkjet (better for transparency masks afaik).
If you opt for toner transfer, don't buy a Brother laser printer. They use a different toner, which won't let go from the paper or transfer film whatever you do. I had a Brother, and ended up buying a Samsung printer which solved all the problems.

Terry
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Old 11th September 2012, 05:20 PM   #5
JanErik is offline JanErik  Finland
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Are Epson, Lexmark or Canon generally OK? How about color lasers, I guess they all have a separate black toner?
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Old 11th September 2012, 05:25 PM   #6
Krisfr is offline Krisfr  United States
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Try this

PCB for beginners | Electronic City
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Old 13th September 2012, 03:30 AM   #7
dangus is offline dangus  Canada
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In my experience, photoresist is more repeatable, once you get into the proper exposure range by doing a test strip. I've had wildly varying results with toner transfer.
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Old 13th September 2012, 05:24 AM   #8
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"SMD precision PCB" For what purposes? Audio, radio (microwawe) frequency (strip line, matching circuits, etc.), series (mass) production? For DIY I would recommend the use of a specialized milling machine.
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Old 13th September 2012, 06:53 AM   #9
JanErik is offline JanErik  Finland
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DIY audio, as the forum is for .
But I am interested in trying some class D chips that of course have quite high frequencies, as well as some USB and SPDIF DAC chips.
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Old 18th September 2012, 10:15 AM   #10
JanErik is offline JanErik  Finland
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What resolution would you say is required, is 600 DPI enough?
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