Chemistry: electrical and wave energy – Apparatus – Electrolytic
Reexamination Certificate
2011-08-09
2011-08-09
Neckel, Alexa D (Department: 1759)
Chemistry: electrical and wave energy
Apparatus
Electrolytic
C073S023200, C428S402000, C501S038000
Reexamination Certificate
active
07993506
ABSTRACT:
There is provided a gas sensor, including a gas sensing film formed of an oxide semiconductor material and a gas-permeable protection layer formed of oxide particles and arranged on the gas sensing film. The oxide particles of the protection layer have an average particle size of 500 nm or smaller.
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Kojima Takio
Koyama Yuichi
Nakagawa Shin-ichi
Nakano Yoshihiro
Dieterle Jennifer
Neckel Alexa D
NGK Spark Plug Co. Ltd.
Sughrue & Mion, PLLC
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