Homebrew PCBs

Markus Zingg wrote:
> On Sun, 08 Jun 2003 09:29:09 +1000, you wrote:
> 
>>http://nr.stic.gov.tw/ejournal/ProceedingA/v23n3/365-368.pdf
> 
> Very intresting article! Too bad it's quite short on the methods. The
> palladium as well as the pre dip bath smell like vanilla - so I FIGURE
> my solution uses the Palladium method which mentiones vanilla...
> 

That's interesting. I remember Tom once telling us how he 
knew a guy who patented a palladium system, and the magic 
ingredient was vanilla extract , vanillin. I've just 
searched the Homebrew_PCBs archives, and found the article 
posted by Tom.

http://groups.yahoo.com/group/Homebrew_PCBs/message/1108

Curiosity got the better of me, and I also went searching 
for the actual patent,

US5071517 , see http://patft.uspto.gov/netahtml/srchnum.htm

Adam