Not really.  While you can pack rectangular sensors at 100% efficiency,
you don't lose that much using circular sensors - the obvious layout
only wastes a little less than 10% of the total area.  and that's if
you assume infinite wafer sizes - for current wafer sizes losses at
the edge are going to be at least as much.  It's even possible that
for some wafer sizes a circular sensor results in less area wastage.

On Sun, Apr 26, 2009 at 11:03:00PM +0200, Thibouille wrote:
> No, t would waste a lot more materials on a manufacturing point of
> view and as a consequence, pice would sky rocket.
> 
> On Sun, Apr 26, 2009 at 9:22 PM, Joseph McAllister <pentax...@mac.com> wrote:
> > Yes, it would make more sense and waste less raw materials if the sensor was
> > a 36mm circular one.

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