Homebrew_PCBs

> Has anyone here used this spray on photo resist? If so, do you like
> the product? My questions would center around whether or not it
> sprayed on evenly, and what the thickness/thinness of what is a
> proper coating?
>
> Thanks much,
>
> Brian Chapman
> Cedar Rapids, Iowa
>
>
>
> ---

----- Original Message -----
From: "Brian Chapman" <cornbeltroute@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Tuesday, June 22, 2004 3:39 PM
Subject: [Homebrew_PCBs] CG Electronics spray resist?


> Has anyone here used this spray on photo resist? If so, do you like
> the product? My questions would center around whether or not it
> sprayed on evenly, and what the thickness/thinness of what is a
> proper coating?

If it's Electrolube PRP I wouldn't bother. The original stuff was OK, but
they changed it a few years ago and I can't get the newer stuff to work.

Leon

> ----- Original Message -----
> From: "Brian Chapman" <cornbeltroute@...>
> To: <Homebrew_PCBs@yahoogroups.com>
> Sent: Tuesday, June 22, 2004 3:39 PM
> Subject: [Homebrew_PCBs] CG Electronics spray resist?
>
>
>>Has anyone here used this spray on photo resist? If so, do you like
>>the product? My questions would center around whether or not it
>>sprayed on evenly, and what the thickness/thinness of what is a
>>proper coating?
>
>
> If it's Electrolube PRP I wouldn't bother. The original stuff was OK, but
> they changed it a few years ago and I can't get the newer stuff to work.

> If it's Electrolube PRP I wouldn't bother. The original stuff was

>> I use it plenty of times to make boards with 8mil tracks and

>>If it's Electrolube PRP I wouldn't bother. The original stuff was
>
> OK, but they changed it a few years ago and I can't get the newer
> stuff to work. <
>
>>>I use it plenty of times to make boards with 8mil tracks and
>
> spacings without a single fault on a 10cm x 10cm board. It only
> doesn't work when the technique is wrong (inadequate cleaning etc). <<
>
> Apparently, CG Electronics is out of business. It's resist product
> was called, Etch Resist Sensitizer (part no. 22-074).
>
> I might like to try the Electrolube PRP. Where can it be purchased?
>
> Thanks much,
>
> Brian Chapman
> Cedar Rapids, Iowa

----- Original Message -----
From: "Brian Chapman" <cornbeltroute@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Wednesday, June 23, 2004 4:30 PM
Subject: [Homebrew_PCBs] Re: CG Electronics spray resist?


> > If it's Electrolube PRP I wouldn't bother. The original stuff was
> OK, but they changed it a few years ago and I can't get the newer
> stuff to work. <
>
> >> I use it plenty of times to make boards with 8mil tracks and
> spacings without a single fault on a 10cm x 10cm board. It only
> doesn't work when the technique is wrong (inadequate cleaning etc). <<
>
> Apparently, CG Electronics is out of business. It's resist product
> was called, Etch Resist Sensitizer (part no. 22-074).
>
> I might like to try the Electrolube PRP. Where can it be purchased?

http://www.electrolube.co.uk/docs/bprototyping.html

It's readily available in the UK. Seno makes a wipe-on resist that's a lot
better. I've got some somewhere, as well as the PRP.

Leon

> Apparently, CG Electronics is out of business. It's resist product
> was called, Etch Resist Sensitizer (part no. 22-074).