Patent ID: 7361917

Claim:
A far-infrared ray generator for thermotherapy, comprising: a casing having a main part, which includes a glass plate having an outer convex face for contacting a human body and an inner concave face, and a handle part integrated with the main part; a far-infrared ray generating member being provided on the inner concave face of the glass plate, said far-infrared ray generating member including three far-infrared ray generating substances of a radon generating rare element mineral, tourmaline and carbon; and a heater for heating said far-infrared ray generating member, said heater being provided in said casing wherein said far-infrared ray generating member is formed by mixing radon generating rare element mineral powders, tourmaline powders and carbon powders with synthetic resin binders, and the mixture is baked and fixed on the inner concave face of the glass plate.