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From: Robert Baer
X-Mailer: Mozilla 4.75 [en] (Win98; U)
Subject: Re: Problems with using Aerosol Photoresist
Date: Sun, 01 Dec 2002 21:08:44 GMT
NNTP-Posting-Date: Sun, 01 Dec 2002 13:08:44 PST
Organization: EarthLink Inc. -- http://www.EarthLink.net
Joel M wrote:
> Years ago I used to purchase photo resist made by M.G. Chemicals. Then
> I no longer saw it sold in electronics stores. I emailed the company
> about it and they said they took it off the market because it caused
> cancer, and if I wanted sensitized boards I should by them already
> Can anyone offer any opinions or recommendations about this topic. Is
> there a manufacturer of photo resist, like aerosol kind?
> On Sat, 30 Nov 2002 12:28:05 +1100, "Ross"
> >Has anyone out there had any success in using the Electrolube PRP positive
> >photoresist for making PCB's. I understand this product has changed
> >recently from an easy to use blue chemical, to the current green
> >formulation. Can any one explain to me the steps involved in getting this
> >newer product to work, the type of UV lamp used, developer etc.
"...caused cancer" is a cop-out.
Almost *anything* can be determined to cause cancer.
In fact, one can die by drinking less than a glass of water!
(bleeding, if you are curious)
Granted the conditions from these scenarios may be restricted.
Did you know the poison in potatoes can kill you...if you ate 2,000
pounds of them (but you would die from bloat far before the poison
Victoreen Corotrons (high voltage gas regulators that had a small
amount of radioactive additive to give stability) were essentially
banned due to the cop-out that the radioactivity was "dangerous".
Nevermind you had to *eat* one to maybe die - from the sharp glass
pieces cutting you and thereby causing internal bleeding.
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