Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "Phil" <phil1960us@y...> wrote:
> As I understand it, thermals are meant to make s
oldering/desoldering 
> easier by decreasing the flow of heat away from the joint.  Is this 
> the only reason for thermals?  
> 
> Phil

Yes, strictly to reduce thermal conductivity so as to allow
the use of hand soldering irons and less/no preheat on
wave-soldered boards.