Electric heating – Heating devices
Reexamination Certificate
2007-11-14
2011-12-06
Hoang, Tu B (Department: 3742)
Electric heating
Heating devices
C219S634000
Reexamination Certificate
active
08071913
ABSTRACT:
A heating device includes an electrode embedded near the heating surface of the ceramic base substantially in parallel to the heating surface. In the rear surface of the ceramic base, a terminal hole extending toward the electrode is formed. Between the bottom surface of the terminal hole and electrode, a conductive ceramic member is embedded and connected to the electrode. The conductive ceramic member has a thermal expansion coefficient equal to that of the ceramic base. The electrode and terminal are electrically connected through the conductive ceramic member.
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Nishioka Masao
Sugimoto Hiroya
Burr & Brown
Hoang Tu B
NGK Insulators Ltd.
Wasaff John
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