Appeal No. 2002-1046
Application 08/861,831
Dembiczak, 175 F.3d at 1000, 50 USPQ2d at 1617, citing McElmurry
v. Ark. Power & Light Co., 995 F.2d 1576, 1578, 27 USPQ2d 1129,
1131 (Fed. Cir. 1993).
The Federal Circuit reviews the Board’s ultimate conclusion
of obviousness without deference, and the Board’s underlying
factual determinations for substantial evidence. In re Huston,
308 F.3d 1267, 1276, 64 USPQ2d 1801, 1806 (Fed. Cir. 2002) citing
In re Gartside, 203 F.3d 1305, 1316, 53 USPQ2d 1769, 1776 (Fed.
Cir. 2000). “The Board’s findings must extend to all material
facts and must be documented on the record, lest the ‘haze of so-
called expertise’ acquire insulation from accountability.”
In re Lee, 277 F.3d at 1345, 61 USPQ2d at 1435.
Matsumoto is directed to a solid-state image sensor
utilizing a static induction transistor, SIT, as an image pick-up
element. Matsumoto discloses that a conventional solid-state
image sensor such as BBD, CCD or a MOS transistor device has
various disadvantages such as charge leakage during charge
transfer operation and low light detection sensitivity. See
Matsumoto, column 1, lines 10 through 16. Matsumoto discloses
that SIT has various advantages such as high input impedance,
high speed property, unsaturated property, low noise, low
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