Patent ID: 7411161

Claim:
A deposition chamber for a PECVD apparatus comprising: a reaction chamber and chamber lid; a susceptor disposed in an enclosure formed by the reaction chamber and chamber lid, the susceptor containing a shaft and a heater for heating the susceptor, wherein the heater is a sheath heater, the heater containing: a heating element, an input/output terminal connected with the heating element, a sheath surrounding the heating element, an insulating material within the sheath, and an isolation layer formed at ends of the sheath, the isolation layer having a first end exposed to an ambient environment and a second end disposed inside the sheath; and a gate in apportion of a sidewall of the reaction chamber to permit a substrate to be loaded on the susceptor, wherein the heater is disposed in the susceptor, and wherein the substrate is loaded to directly contact the heater and supported by the heater.