Patent ID: 9112518
Filing Date: 2015-08-18
Classification: G04F,H03L,H05B,Y02P

Abstract:
1. A heater substrate for heating an alkali metal cell including an alkali metal comprising: a first heater wiring formed in a region surrounding an alkali metal encapsulating part in which the alkali metal is encapsulated; a second heater wiring formed in the region surrounding the alkali metal encapsulating part and inside the first heater wiring; and a third heater wiring formed outside the first heater wiring, wherein an electric current flowing in the first heater wiring is divided into an electric current flowing in the second heater wiring and an electric current flowing in the third heater wiring, and a direction of the electric current flowing in the first heater wiring is opposite to a direction of the electric current flowing in the second heater wiring and a direction of the electric current flowing in the third heater wiring.