Electric heating – Heating devices – With heating unit structure
Patent
1986-08-15
1988-03-22
Shaw, Clifford C.
Electric heating
Heating devices
With heating unit structure
219270, 219482, 219485, 219544, 219546, 338307, 338308, 338309, 338310, 427 58, 427101, H05B 316, H01C 1012
Patent
active
047330562
ABSTRACT:
A heater backed with a ceramic substrate having a ceramic substrate as a base plate and heating element formed thereon, which comprises a conductor for retaining ionized elements, said conductor branching from a terminal lead portion of the minus side connected to the heater element under an applied electric current and extending at the back side of the base plate, along the heating element pattern at least partly thereof. A protecting layer may be provided on the surface of said conductor. The conductor is connected with the lead portion through a conducting through hole.
REFERENCES:
patent: 4357526 (1982-11-01), Yamamoto et al.
patent: 4464646 (1984-08-01), Burger et al.
Ishiguro Hiroyuki
Kojima Takao
NGK Spark Plug Co. Ltd.
Preston Gerald E.
Shaw Clifford C.
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