Homebrew PCBs

Leon,

I have some marked June 2011. I'll have to test it to see if it is ok. I did
not see a "use by" date on any of my packages.

Thanks,

Rick

-----Original Message-----
From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
On Behalf Of Leon Heller
Sent: Thursday, February 14, 2013 6:33 AM
To: Homebrew_PCBs@yahoogroups.com
Subject: Re: [Homebrew_PCBs] relatively good prices

On 14/02/2013 12:34, Rick Sparber wrote:
> I can drive past Circuit Specialists in Mesa, Arizona, almost every week.
> They sell chemicals and photosensitive boards. I doubt they have the 
> lowest prices on the entire web but they are convenient and I pay no
shipping.
> Yesterday I was looking at their selection of boards. They had 3" x 5"
> single sided boards for $6.64. That is 44.3 cents per square inch. But 
> they also had 4.6" x 6.6" single sided boards for $4.49. That is 14.8 
> cents per square inch. The lower priced boards come from a variety of 
> suppliers so I figure they are getting rid of old stock. They sure have a
lot of them.

Photo-resist goes off after a few months, which could cause a problem with
old stock.

Leon
--
Leon Heller
G1HSM


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