"Spehro Pefhany" wrote in message

On Sat, 2 Jun 2007 00:32:01 -0400, the renowned "Tom Del Rosso"
wrote:

In the mid-80s there was a new PCB technology without vias. Traces
just came to an end and disappeared into the board, with maximum
density. What happened? There should be more demand for it than
ever, and good yield should be possible by now if it was done 20
years ago.

You're not talking about blind vias are you? They're alive and well.

Is that what it's called? It seems most boards don't use them.


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