Homebrew PCBs

One of the items on <http://www.tempil.com/thumbnail.asp?cid=27> is the product you remember, I think.

Donald.
----- "Donald H Locker" <dhlocker@...> wrote:

> Search for tempil  <http://www.tempil.com/> are the folks who make
> temperature-sensitive paper and plastic markers.
> 
> Donald.
> ----- "Jim Barnes" <jim@...> wrote:
> 
> > Hi,
> > 
> >  
> > 
> > Long ago (20-plus years), when I worked in aerospace, we had little
> > paper strips that we attached inside a unit to find out how hot it
> > got
> > during test. As I recall, they had dots which permanently changed
> > color
> > at different temperatures. Google couldn't find them but maybe I
> > didn't
> > ask it the right question. Has anyone else heard of these? Are they
> > still made? It seems they would be perfect for measuring roller
> > temperature. 
> > 
> >  
> > 
> > Jim
> > 
> >  
> > 
> > From: Homebrew_PCBs@yahoogroups.com
> > [mailto:Homebrew_PCBs@yahoogroups.com] On Behalf Of DJ Delorie
> > Sent: Thursday, February 11, 2010 7:45 AM
> > To: Homebrew_PCBs@yahoogroups.com
> > Subject: Re: [Homebrew_PCBs] Re: laminator heat specs
> > 
> >  
> > 
> >   
> > 
> > 
> > Try opening it up and looking at the part numbers. The roller temp
> > isn't always the same temp as the cutoff unless you can measure it
> > *between* the rollers.
> > 
> >