Ceramic block with built in electrode and method of...

Electric heating – Heating devices – With heating unit structure

Reexamination Certificate

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C219S542000, C219S548000, C428S119000, C428S336000, C428S668000, C156S089120, C427S058000

Reexamination Certificate

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07825355

ABSTRACT:
A ceramic block with a built in electrode, including a first insulating ceramic sheet having a bearing surface, a sheet electrode having an inner edge and extending generally parallel to the bearing surface, a second insulating ceramic sheet disposed to enclose the sheet electrode between the second insulating ceramic sheet and the first insulating ceramic sheet, and a cylindrical, thin film shaped drawn-out conductor perpendicularly connected to the inner edge of the sheet electrode to supply voltage to the sheet electrode. The drawn-out conductor is attached to the inner wall of a through hole of the second insulating ceramic sheet, and an insulating ceramic shaft is packed into the through hole.

REFERENCES:
patent: 6486542 (2002-11-01), Ohashi et al.
patent: 2003/0044653 (2003-03-01), Hiramatsu et al.
patent: 62-264638 (1987-11-01), None
patent: 11-74336 (1999-03-01), None
patent: 2000-106391 (2000-04-01), None
patent: 2001-296269 (2001-10-01), None
patent: 2001-345372 (2001-12-01), None
patent: 2002-141403 (2002-05-01), None
patent: 2003-115529 (2003-04-01), None
patent: 2004-168658 (2004-06-01), None

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