I know the article you are talking about, I have saved it for many years. I
think it was a TO220 part they used in several different configurations with
the thermal analysis pictures (colored maps that look like contour maps?)
and the results were surprising.
All my articles are in a huge box at home (we just moved) but if you want me
to find it I will.

Jack

                -----Original Message-----
                From:   Abd ul-Rahman Lomax [mailto:[log in to unmask]]
                Sent:   Tuesday, November 23, 1999 11:05 AM
                Subject:        Re: Horrible Terrible Mistake ...


                I've asked SMT magazine if they were the ones who printed
the article about
                this technique of improving heat dissipation; I could not
find it on their
                web site index, which was not readily searchable. In any
case, the
                information in the article, as I recall, had been somewhat
mangled by
                either poor writing or poor editing and some of the
technical information
                necessary to assess the reported results was missing.

                Next opportunity, I plan to design a test board and verify
the prediction.

                [log in to unmask]
                Abdulrahman Lomax
                P.O. Box 690
                El Verano, CA 95433