Thank you for your efforts ... Im wondering if you go through rigorous testing of your UV exposures bed? Keeping the stuff cold is no problem ... I have a small chest fridge for solder paste that's kept just above freezing already. Mike KC7NOA > To: Homebrew_PCBs@yahoogroups.com > From: lbattraw@... > Date: Mon, 19 Dec 2011 00:42:32 -0500 > Subject: Re: [Homebrew_PCBs] Re: The case for crowd-sourced PCB materials > > Hi Eldon, > > I'm afraid I don't have anything as organized as a website. I am providing > this as a service to the homebrew PCB community and really don't want to go > into the business of selling it to random buyers since I don't make > anything off of the sales, hence the low price. I accept PayPal and am > located in NC, for reference. I've had one person buy from me who seemed > satisfied and it looks like a couple others are interested now, which is > funny since it's been a while since I posted about the availability of the > stuff. > > For anyone who's interested and wants a lot of the stuff (50, 100, 250, or > 500-foot rolls) I get mine from Think & Tinker in AZ: > http://www.thinktink.com/stack/volumes/voli/store/lamsup.htm > They sell the resist, solder mask, and other supplies including roll > laminators in bulk quantities. I've always ordered the 100 foot rolls > since the price difference between 50 and 100 feet is rather small > considering it's twice the amount of material. I would mention that they > require "express shipping" for the photoresist since I suppose they don't > want complaints about resist that has been exposed to too much heat for too > long. I've never really had a problem with it expiring unless it's more > than a couple years old, but then I keep mine in the refrigerator > (triple-bagged due to the odd smell). I paid about $160 for 100 feet > including the 2-day shipping they required (Which was rather expensive), > hence my price to you all. > > I figure we all benefit from the service I provide since it keeps us both > supplied with fresh resist and marginally compensates me for the time spent > shipping it out. I've never managed to go through a 100-foot roll before > and so I figure between a few orders here and there and my own usage it > won't go to waste. As the resist ages it tends to become less sensitive > and have less contrast, making good artwork more critical. Keeping it > refrigerated and sealed helps immensely to keep aging to a minimum. > > Regards, > Larry > > On Sun, Dec 18, 2011 at 12:30 PM, Eldon Brown <eldonb46@...> wrote: > > > ** > > > > > > Larry, > > > > Where and how are you selling the dry-film, do you have a web site. And do > > you accept Paypal? > > > > Regards, > > Eldon > > > > On Sun, Dec 18, 2011 at 03:03, Larry Battraw <lbattraw@...> wrote: > > > > > ** > > > > > > > > > > > > > > At any rate I am selling the dry-film resist for $1.60 a foot with a > > > minimum order of 5 feet, plus $7 shipping which covers postage and a > > > cardboard shipping tube. As mentioned the resist is a foot wide so > > > it's a fair amount for the money. > > > > > > Regards, > > > Larry > > > > > > > > > > [Non-text portions of this message have been removed] > > > > > > > > > [Non-text portions of this message have been removed] > > > > ------------------------------------ > > Be sure to visit the group home and check for new Links, Files, and Photos: > http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links > > > [Non-text portions of this message have been removed]
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RE: [Homebrew_PCBs] Re: The case for crowd-sourced PCB materials
2011-12-19 by MIKE DURKIN
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