Patent ID: 6831258
Filing Date: 2004-12-14
Classification: G03F,H01L

Abstract:
A method of controlling a heating apparatus comprising:forming a photosensitive resin film on a substrate; exposing a to-be-exposed region of the resin film with a light of irradiation amount D to form an exposed region on the resin film; heating the resin film by a heat source of a heating apparatus; measuring a thickness of the resin film at the exposed region and a thickness of the resin film at a non-exposed region which is adjacent to the exposed region; calculating a difference &Dgr; T r in thickness of the resin film between the exposed region and the non-exposed region; and controlling a temperature of the heat source of the heating apparatus on the basis of the difference &Dgr; T r calculated and a before-hand obtained interrelation between the difference &Dgr; T r and the temperature of the heat source.