Alumina sintered body

Details Alumina sintered body Alumina sintered body

2007-03-20

2008-11-04

Sherry, Michael J (Department: 2836)

Electricity: electrical systems and devices

Electric charge generating or conducting means

C361S234000

Reexamination Certificate

active

07446993

ABSTRACT:
An alumina sintered body comprises an alumina substrate having a first main surface and a second main surface opposing each other, an embedded film electrode made of a metal and embedded in the alumina substrate at a depth HDof 0.4 mm or less from a first main surface SF1, and an embedded terminal formed of a metal, embedded in the alumina substrate nearer a second main surface SF2side than the embedded electrode. The embedded terminal is in contact with the embedded electrode and a film thickness HEof the embedded electrode is 25 μm or less.

REFERENCES:
patent: 6590760 (2003-07-01), Fujii
patent: 6617514 (2003-09-01), Ushikoshi et al.
patent: 6744618 (2004-06-01), Divakar et al.
patent: 6992876 (2006-01-01), Nakajima et al.
patent: 11-012053 (1999-01-01), None
patent: 2003-243494 (2003-08-01), None

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