Appeal 2006-3235
Reexamination Control No. 90/006,696
1 specifies that the liquid crystal is 4 “CYANO-4'HEXYL-BIPHENYL,
2 [whose] trade name is K-18 nematic liquid crystal.”
3 Claim 11, which is the subject of this appeal, reads:
4 11. A new use of liquid crystal for detecting hot
5 spot on die or wafer with a hot spot detection method,
6 said liquid crystal comprises:
7 4 CYANO-4'HEXYL-BIPHENYL, trade name is
8 K-18 nematic liquid crystal[;] or
9 4 CYANO-4'PENTYL-BIPHENYL, trade name is
10 K-15 nematic liquid crystal; or
11 4 CYANO-4'HEPTYL-BIPHENYL, trade name is
12 K-21 nematic liquid crystal; or
13 4 CYANO-4'OCTYL-BIPHENYL, trade name is
14 K-24 nematic liquid crystal; or
15 4 CYANO-4'NONYL-BIPHENYL, trade name is
16 K-27 nematic liquid crystal; or
17 4 CYANO-4'DECYL-BIPHENYL, trade name is
18 K-30 nematic liquid crystal; or
19 4 CYANO-4'UNDERDECYL-BIPHENYL, trade
20 name is K-33 nematic liquid crystal; or
21 4 CYANO-4'DODECYL-BIPHENYL, trade name
22 is K-36 nematic liquid crystal.
23
24 III. SUMMARY OF THIS REEXAMINATION PROCEEDING TO DATE
25 The Requester asserted that Claim 11 is anticipated by each of Aszodi,
26 Stephens,10 and Burgess/Tan,11 Reexam. Request 7-14, and also
27 unpatentable for obviousness over those and other references. Id. at 14-24.
10 C.E. Stephens and F.N. Sinnadurai, A Surface Temperature Limit
Detector Using Nematic Liquid Crystals with an Application to
Microcircuits, 7 Journal of Physics E: Scientific Instruments 641-43 (1974).
Br. Ex. J; Reexam. Ex. 6.
5
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