ESD protection device

Details ESD protection device ESD protection device

2008-11-20

2009-12-15

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With space discharge means

C361S056000

Reexamination Certificate

active

07633735

ABSTRACT:
An ESD protection device includes a ceramic multilayer board, a cavity disposed in the ceramic multilayer board, at least one pair of discharge electrodes having ends, edges of the ends being opposed to each other at a predetermined distance in the cavity, and external electrodes disposed on outer surfaces the ceramic multilayer board and connected to the discharge electrodes. The ceramic multilayer board includes a composite portion, which is disposed in the vicinity of the surface on which the discharge electrodes are disposed and is at least disposed adjacent to the opposed ends of the discharge electrodes and to a space between the opposed ends. The composite portion includes a metal material and a ceramic material.

REFERENCES:
patent: 6608547 (2003-08-01), Greier et al.
patent: 02-46680 (1990-02-01), None
patent: 08-236260 (1996-09-01), None
patent: 2000-173743 (2000-06-01), None
patent: 2001-043954 (2001-02-01), None
patent: 2003-297524 (2003-10-01), None
Official Communication issued in International Patent Application No. PCT/JP2008/054132, mailed on May 27, 2008.

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