Gas sensor element, method for manufacturing the same, and...

Details Gas sensor element, method for manufacturing the same, and... Gas sensor element, method for manufacturing the same, and...

2006-03-30

2011-12-20

Noguerola, Alex (Department: 1759)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C205S784000, C156S089110, C156S261000

Reexamination Certificate

active

08080143

ABSTRACT:
A method for manufacturing a gas sensor element (300), which includes a plate-like second solid electrolyte member (109), a fourth electrode (110) formed on the second solid electrolyte member (109), and a protection layer (111) including a reinforcement member (112) having an insertion hole (112a), and a porous electrode protection member (113a) provided in the insertion hole (112) and adapted to protect the fourth electrode (110) from becoming poisoned. The method includes a pressing step of, after disposing a green electrode protection member (113a) in the insertion hole (112a) of a green reinforcement member (112), pressing at least one of the green reinforcement member (112) and the green electrode protection member (113a) so as to form a green protection layer (111); a laminate-forming step of arranging the green protection layer (111) and a green solid electrolyte member (113a) in layers so as to form a laminate which will become the gas sensor element (300) after being fired; and a firing step of firing the laminate.

REFERENCES:
patent: 630677 (1899-08-01), Vargo et al.
patent: 4574445 (1986-03-01), Bentin et al.
patent: 6306677 (2001-10-01), Vargo et al.
patent: 6344134 (2002-02-01), Yamada et al.
patent: 2200460 (1988-08-01), None
patent: 2003-294687 (2003-10-01), None

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