Homebrew_PCBs

The Puretch pricing is here:

http://www.capefearpress.com/order.html

and with shipping the results are, in USD$:

Square feet US Canada Elsewhere

2 $19
20 $59 $69 $86
100 $226 $238 $255

They are marketing a film "originally designed for PCB manufacturing":

http://www.capefearpress.com/puretchpcb.html

So I guess this is Riston or some equivalent material. Perhaps the
24.75 inch (628 mm) width of the material they sell would be a clue as
to its real nature.

The Riston MM540 I bought from eBay is still available from the same
source in the Czech Republic:

http://www.tech-place.com/pyralux/23-photosensitive-film.html

318 x 2000mm. This is a good quantity for my needs. An advantage of
this is that I know exactly what the material is. The datasheet and
processing instructions are here:


http://www2.dupont.com/Imaging_Materials/en_US/tech_info/product_selector.html


- Robin