Patent ID: 7184656

Claim:
A heating apparatus comprising: an infrared ray lamp including a heating element which has a substantially plate shape, a cross-section of which is a rectangular shape, and which is hermetically sealed in a glass tube, and a reflection plate which is disposed so as to keep a predetermined distance from outside of said glass tube of said infrared ray lamp, wherein said heating element has a width which is larger than a thickness thereof by five times or more, and is formed of a carbon-based substance consisting at least of crystallized carbon, a resistance value adjustment substance and amorphous carbon, wherein said reflection plate has at least a similar length as that of the infrared ray emitting portion of said heating element, is disposed in parallel with the center line in the longitudinal direction of said heating element, and has a substantially arcuate shape using the center line of said heating element as a center thereof, and wherein a reflection face of said reflection plate that opposes said heating element is disposed so as to be opposed to one of the wider side portions of said heating element.