Patent ID: 6322057
Filing Date: 2001-11-27
Classification: C23C

Abstract:
A gasline system for delivering gases for chemical vapor deposition, the system comprising a Ti[N(CH.sub.3).sub.2 ].sub.4 ampule, a carrier gasline connected to the Ti[N(CH.sub.3).sub.2 ].sub.4 ampule, and a mixture gasline consisting of a nitrogen gasline and a helium-dilute gasline, wherein the mixture gasline is connected to the Ti[N(CH.sub.3).sub.2 ].sub.4 ampule in order to mix a carrier gas and the Ti[N(CH.sub.3).sub.2 ].sub.4 with a mixed gas comprising nitrogen gas and helium-dilute gas, an improvement to which system comprises an auxiliary gasline-heating unit located on an exit of the mixed gas comprising the nitrogen gas and the helium-dilute gas for increasing an exit temperature of the mixed gas comprising the nitrogen gas and the helium-dilute gas, wherein the auxiliary gasline-heating unit further comprises:a heater tape located on the mixture gasline for heating the mixture gasline;a temperature controller connected to the heater tape for controlling a temperature of the heater tape; anda power supply connected to the temperature controller for supplying a heating power.