Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Responsive to non-optical – non-electrical signal
Reexamination Certificate
2008-12-26
2009-10-06
Pert, Evan (Department: 2826)
Active solid-state devices (e.g., transistors, solid-state diode
Field effect device
Responsive to non-optical, non-electrical signal
C257S414000, C257SE29325, C257SE21401, C438S049000
Reexamination Certificate
active
07598546
ABSTRACT:
A separative extended gate field effect transistor based vitamin C sensor includes: a substrate; a patterned conductive layer on the substrate, including a first electrode region array, at least two first contact regions, a second electrode region and a second contact region; a graphite-based paste layer on the first electrode region array; a ruthenium dioxide sensing layer on the graphite-based paste layer and electrically connected to the first contact region; a vitamin C enzyme layer on the ruthenium dioxide sensing layer; and a reference electrode on the second electrode region electrically connected to the second contact region.
REFERENCES:
patent: 2002/0132226 (2002-09-01), Nair et al.
patent: 2007/0095664 (2007-05-01), Chou et al.
patent: 2008/04803 (2008-01-01), None
patent: WO 2005/034204 (2005-04-01), None
Chen Chien-Cheng
Chou Jung-Chuan
Huang E-Ling
Lee Chang-Chi
National Yunlin University of Science and Technology
Pert Evan
Quintero Law Office
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