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Message

Re: Advice for Newbie - photoresists

2002-06-19 by twb8899

Adam,

The liquid photo resist I use is made by Peters in Germany. The name 
of the company is Lackwerke Peters GmbH + Co KG.  Their web site is  
www.peters.de and the product is called Elpemer SD 2054. This resist 
can be applied by masking off a blank silkscreen and flood printing a 
blank copper panel. Any excess can be scraped from the screen and put 
back in the container. There is very little waste involved.  Cleanup 
is with laquer thinner or acetone. The data sheet states that 50 um 
lines and spaces are possible with this resist.

Your "wet" lamination method for dry film is an excellent idea. Some 
of the better lamination machines use a water mist in addition to 
heat and pressure. It is supposed to be a superior method and many of 
the shops are starting to use it. I have never tried the wet method 
but after hearing about your success I'm going to give it a try. I'll 
post a message with my results.

If there is any interest I would be willing to supply blank FR-4 
panels coated with dry film and sealed in an opaque light tight 
container.

Tom

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