Patent ID: 8157916
Filing Date: 2012-04-17
Classification: C23C

Abstract:
1. An apparatus for forming a thin film, comprising: a chamber; a susceptor in the chamber; a gas injector over the susceptor, the gas injector having a plurality of injection holes and an inner space; a shaft connected to the gas injector, the shaft having an extension cavity connected to the inner space and a flow path connected to the extension cavity, wherein the extension cavity is disposed in the chamber; a housing surrounding the shaft, wherein the chamber and housing define a single interior space; a magnetic seal between the housing and the shaft; an evaporation source evaporating source materials and supplying evaporated source materials to the gas injector; a carrier gas supplier supplying carrier gases; and a heater for pre-heating the carrier gases, wherein the evaporation source and the heater are disposed in the extension cavity, wherein the evaporation source and the heater disposed in the extension cavity are located above the susceptor, and wherein the evaporation source and the heater are disposed between the magnetic seal and the plurality of injection holes.