Patent ID: 6326574
Filing Date: 2001-12-04
Classification: H01J,H01L

Abstract:
A heating assembly connected to an etching chamber, the heating means comprising:a heater, for providing a thermal energy in the etching chamber;a heater adapter flange, formed of a first material, for bundling the heater and sealing the etching chamber, the heater adapter flange comprising a duct portion and a cylinder portion connected to the duct portion, wherein a top surface of the cylinder portion has a central opening and six screw holes thereon, the central opening penetrating through the cylinder portion and the duct portion, and the six screw holes around the central opening penetrating through the cylinder portion;a wire, connected between the heater and a power supply through the duct portion;a first O-ring, mounted on a sidewall of the central opening of the cylinder portion, for sealing the heater and the heater adapter flange;a second O-ring, mounted on a surface of the cylinder portion adjacent to the duct portion, for sealing the heater and the chamber; anda sleeve, made of a second material, having a higher hardness than the first material, for jacketing onto the cylinder portion, wherein the sleeve comprises a round plane and ring-shaped side adjacent to the round plane, and the round plane having a central hole and six periphery holes thereon, wherein the central hole and the six periphery holes are respectively corresponded to the central opening and the six screw holes of the heater adapter flange.