Gas sensor and method for manufacturing the same

Details Gas sensor and method for manufacturing the same Gas sensor and method for manufacturing the same

2011-05-31

2011-05-31

Wilkins, III, Harry D (Department: 1723)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S424000

Reexamination Certificate

active

07951277

ABSTRACT:
A prismatic multilayer gas sensor element and method of making the same, the prismatic multilayer gas sensor element (1) having a substantially rectangular cross section, and including a gas-sensing cell portion (2) formed at a distal end portion of the prismatic gas sensor element (1); and a posterior lead portion (3) adjoining the gas-sensing cell portion (2). The longitudinal lateral surfaces of the posterior lead portion (3) are coated with a non-porous alumina layer (11), the non-porous alumina layer (11) having a multilayered structure including at least a joining layer (11a) and a surface layer (11b). The longitudinal lateral surface of the gas-sensing portion (2) is not coated with a non-porous alumina layer.

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English Abstract of JP 2001-242122.
Japanese Office Action dated Dec. 7, 2010 issued in corresponding to Japanese Patent Application No. 2006-030533.

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