Back to results
US 2025/0168932 A1Published application
Heater and heating member
AssigneeNGK Insulators, Ltd.
InventorsShuichi ICHIKAWA, Koji KUZUTANI, Yukio MIYAIRI
Life of this patent
Estimating the term…
Abstract
A heater includes: a first ceramic substrate; a glass portion provided on the first ceramic substrate; and an electrically heating portion embedded in the glass portion. The glass portion has closed pores. The electrically heating portion includes a metal wherein a rate of change of a mass at 700° C. relative to a mass at 25° C. in the air atmosphere is 0.1% or lees.
Claims15
A heater, comprising:
- a first ceramic substrate;
- a glass portion provided on the first ceramic substrate;
- and an electrically heating portion embedded in the glass portion,
- wherein the glass portion has closed pores, and
- wherein the electrically heating portion comprises a metal wherein a rate of change of a mass at 700° C. relative to a mass at 25° C. in the air atmosphere is 0.1% or less.
2 more elements
Dependencies are inferred from the claim text.