Patent ID: 11948778
Assignee: KOKUSAI ELECTRIC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A substrate processing apparatus comprising:
a reaction vessel;
a gas introduction port installed at an upper end of the reaction vessel;
a coil wound on an outer circumference of the reaction vessel;
a baffle comprising an uppermost part of the baffle and a lowermost part of the baffle, wherein the baffle is installed between the upper end of the reaction vessel and an upper end of the coil with a gap between an outer circumference of the baffle and an inner circumference of the reaction vessel along the outer circumference of the baffle; and
a gas exhaust pipe connected to the reaction vessel,
wherein a distance between an upper surface of the uppermost part of the baffle and a lower surface of the lowermost part of the baffle is greater than a distance between the outer circumference of the baffle and the inner circumference of the reaction vessel, and
wherein the baffle is free of a hole allowing a gas to flow therethrough.