PTC element

Details PTC element PTC element

2006-12-22

2009-08-11

Fuqua, Shawntina (Department: 3742)

Electric heating

Heating devices

With heating unit structure

C219S552000, C252S500000, C252S512000, C252S519300, C338S0220SD, C338S034000

Reexamination Certificate

active

07573008

ABSTRACT:
A PTC element comprising a PTC element body containing a polymer matrix and conductive particles, a pair of electrodes in contact with the PTC element body, and a protective layer composed of a cured epoxy resin composition containing an epoxy resin and a thiol-based curing agent, and covering the PTC element body so as to seal the PTC element body.

REFERENCES:
patent: 7314583 (2008-01-01), Mori
patent: 2003/0076217 (2003-04-01), Park et al.
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patent: A-2005-146267 (2005-06-01), None
patent: WO 2005/070991 (2005-08-01), None

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