Patent ID: 9651257
Date: 2017-05-16
CPC Classifications: F23Q,H05B

Claim:
1. A heater comprising: an insulating base; a heating element buried in the insulating base and formed of a first linear section, a second linear section provided in parallel with the first linear section, and a folded section configured to connect the first linear section and the second linear section; a first lead buried in the insulating base and connected to the first linear section; and a second lead buried in the insulating base and connected to the second linear section, wherein in a plane configured to include a longitudinal axis of the first lead and a longitudinal axis of the second lead, a longitudinal axis of the first linear section is inclined relative to the longitudinal axis of the first lead, a longitudinal axis of the second linear section is inclined relative to the longitudinal axis of the second lead, and the longitudinal axis of the first linear section and the longitudinal axis of the second linear section are inclined in a same direction.