Appeal No. 2003-0176
Application 08/909,590
THE REFERENCES
Koal 4,499,394 Feb. 12, 1985
Harnden, Jr. et al. (Harnden) 4,670,682 Jun. 2, 1987
Kondou et al. (Kondou) 5,083,056 Jan. 21, 1992
Tabota et al. (Tabota) 5,515,725 May 14, 1996
THE REJECTION
Claims 1-8 stand rejected under 35 U.S.C. § 103 as being
unpatentable over Tabota in view of Kondou and either Harnden or
Koal.
OPINION
We reverse the aforementioned rejection. We need to address
only claim 1, which is the sole independent claim.
The appellants’ claim 1 requires “said first and second
electrodes being provided respectively and alternately at each
interface between said piezoelectric layers ... said first
electrodes extend from said second end toward but not to said
first end and said second electrodes extend from said first end
toward but not to said second end ... wherein said piezoelectric
layers are polarized in the thickness direction thereof only at
the region where the first and second electrodes overlap”.
Tabota discloses an acceleration sensor having a first
electrode (45) extending from a second end of a laminate toward
but not to a first end, and a second electrode (46) extending
3
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