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Subject: Re: [Homebrew_PCBs] Re: Direct Toner - First Try Results

From: DJ Delorie <dj@...>
Date: 2008-04-05

"Bertho Boman" <boman01@...> writes:
> Placing an SMT board directly on a flat hotplate will likely create
> a severe thermal shock to the board and the components.

What I do is put the board on a cold hotplate, then turn it on. Mine
takes about three minutes to heat enough to melt solder, which seems
to work well for me.