Abstract:
A method of using a film formation apparatus for a semiconductor process includes removing by a cleaning gas a by-product film deposited on an inner surface of a reaction chamber of the film formation apparatus, and then chemically planarizing the inner surface of the reaction chamber by a planarizing gas. The inner surface contains as a main component quartz or silicon carbide. The removing is performed while supplying the cleaning gas into the reaction chamber, and setting the reaction chamber at a first temperature and first pressure to activate the cleaning gas. The planarizing is performed while supplying the planarizing gas into the reaction chamber, and setting the reaction chamber at a second temperature and second pressure to activate the planarizing gas. The planarizing gas contains fluorine gas and hydrogen gas.
Abstract:
실란계 가스를 포함하는 제1 처리 가스와, 질화 가스, 산질화 가스 및 산화 가스로 이루어지는 군으로부터 선택된 가스를 포함하는 제2 처리 가스와, 퍼지 가스를 선택적으로 공급 가능한 처리 영역 내에서 피처리 기판 상에 CVD에 의해 실리콘 함유 절연막을 형성한다. 이 성막 방법은 제1 내지 제4 공정을 교대로 구비한다. 제1, 제2, 제3 및 제4 공정에 있어서, 각각 제1 처리 가스, 퍼지 가스, 제2 처리 가스 및 퍼지 가스를 공급하고, 나머지 2개의 가스의 공급을 정지한다. 제1 공정 내지 제4 공정에 걸쳐서, 개방도 조정용 밸브가 배치된 배기 통로를 거쳐서 처리 영역 내부를 계속적으로 진공 배기한다. 제1 공정에 있어서의 밸브의 개방도를 제2 및 제4 공정에 있어서의 밸브의 개방도의 5 내지 95 %로 설정한다. 웨이퍼 보트, 승강 기구, 가스 분산 노즐, 가스 여기부, 배기구, 밸브구
Abstract:
A method for forming a silicon nitride film first deposits a silicon nitride film on a target substrate by CVD in a process field within a reaction container. This step is arranged to supply a first process gas containing a silane family gas and a second process gas containing a nitriding gas to the process field, and set the process field at a first temperature and a first pressure, for a first time period. The method then nitrides a surface of the silicon nitride film in the process field. This step is arranged to supply a surface-treatment gas containing a nitriding gas to the process field without supplying the first process gas, and set the process field at a second temperature and a second pressure, for a second time period shorter than the first time period.
Abstract:
A method for cleaning a heat treatment apparatus is disclosed. In an evacuatable process chamber of the heat treatment apparatus, an SiO2film is formed on an object to be treated by using TEOS. The method comprises a cleaning step wherein an HF gas and an NH3 gas are supplied into the process chamber.
Abstract:
Disclosed is a method for cleaning a thin-film forming apparatus wherein a thin film is formed on an object to be processed by supplying a process gas into a reaction chamber in which the object is housed. The cleaning method comprises a purging step for purging the inside of the reaction chamber by supplying an activatable nitrogenous gas containing nitrogen into the reaction chamber. The purging step comprises a substep wherein the nitrogenous gas is activated for nitriding the surfaces of members within the reaction chamber.
Abstract:
A method for using a film formation apparatus for a semiconductor process includes setting an idling state where a reaction chamber of the film formation apparatus accommodates no product target substrate therein, and then, performing a purging process of removing a contaminant present in an inner surface of the reaction chamber by causing radicals to act on the inner surface of the reaction chamber. The radicals are generated by activating a purging process gas containing oxygen and hydrogen as elements.
Abstract:
실리콘 질화막의 형성 방법은, 우선 반응 용기의 처리 영역 내에서 피처리 기판 상에 CVD에 의해 실리콘 질화막을 퇴적한다. 여기서, 제1 시간에 걸쳐 처리 영역 내에 실란계 가스를 포함하는 제1 처리 가스와 질화 가스를 포함하는 제2 처리 가스를 공급하는 동시에, 처리 영역을 제1 온도 및 제1 압력으로 설정한다. 다음에, 처리 영역 내에서 실리콘 질화막의 표면을 질화한다. 여기서, 제1 시간보다 짧은 제2 시간에 걸쳐, 처리 영역 내에 제1 처리 가스를 공급하지 않고 질화 가스를 포함하는 표면 처리 가스를 공급하는 동시에, 처리 영역을 제2 온도 및 제2 압력으로 설정한다. 처리 용기, 웨이퍼 보트, 매니폴드, 가스 노즐, 승강 기구
Abstract:
A film formation method, apparatus for semiconductor process and computer readable medium are provided to consecutively perform the deposition of the Si system inorganic film while maintaining vacuum. The wafer boat having a plurality of semiconductor wafers is mounted is loaded within the process vessel(step 1). In the state rotating the wafer boat, the film forming process of the amorphous carbon film is performed for the first time(step 2). The purge gas from the fuzzy gas supply source is introduced within the process vessel(step 3). In maintaining the decompression state, the Si based inorganic film is successively formed by the switching of the gas into the in-situ process(step 4).
Abstract:
A silicon nitride film forming method is provided to nitrify the surface until most of Si-H combination of the surface of a silicon nitride film is changed into Si-N combination, thereby preventing generation of degassing even when exposing the silicon nitride film to atmosphere. A silicon nitride film is accumulated by CVD on a processed substrate within a process area(5) of a reaction container(2). Silane gas and ammonia gas are supplied to the process area for first time to be reacted to each other. The process area is set up with first temperature and first pressure. Thereafter, the process area is pursed while blocking supply of the silane gas and ammonia gas to the process area. Thereafter, the surface of the silicon nitride film is nitrified within the process area. The ammonia gas is supplied without supplying the silane gas to the process area for second time shorter than the first time. The process area is set up with second temperature and second pressure. While vacuum evacuation of the process area is continued, cycle purge is performed by repeating supply and pause of inactive gas in a pulse shape several times to the process area.