| 摘要 |
A ceramic heater includes a body of aluminum nitride, and a heating element embedded in the body of aluminum nitride. The heating element has a resistance of (E2/W)x0.003 OMEGA to (E2/W)x0.135 OMEGA (E and W denote an input voltage (unit: V) and a weight (unit: g) of the body of aluminum nitride, respectively).
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