摘要:
A CVD apparatus cleaning method that efficiently removes by-product such as SiO2 or Si3N4 adhered to and deposited on surfaces of an inner wall, an electrode, and the like in a reaction chamber at a film forming step. In the cleaning method the discharged cleaning gas amount is very small, environmental influences such as global warming can be lessened, and cost can be reduced. A CVD apparatus supplying reactive gas into a reaction chamber and forming a deposited film on a surface of a base material provided in the reaction chamber includes an exhaust gas recycling path recycling an exhaust gas reaching the reaction chamber from downstream of a pump on an exhaust path for exhausting a gas from an inner part of the reaction chamber through the pump.
摘要翻译:一种CVD装置清洗方法,其在成膜步骤中有效地除去在反应室内附着和沉积在内壁,电极等的表面上的副产物如SiO 2或Si 3 N 4。 在清洁方法中,排出的清洁气体量非常小,可以减少诸如全球变暖的环境影响,并且可以降低成本。 将反应气体供应到反应室中并在设置在反应室中的基材的表面上形成沉积膜的CVD装置包括排气回收路径,从排气路径上的泵下游到达反应室的废气再循环 用于从反应室的内部通过泵排出气体。
摘要:
It is an object to provide a cleaning method in a CVD apparatus capable of efficiently removing a by-product such as SiO2 or Si3N4 which is adhered to and deposited on the surfaces of an inner wall, an electrode and the like in a reaction chamber at a film forming step. Furthermore, it is an object to provide a cleaning method in which the amount of a cleaning gas to be discharged is very small, an influence on an environment such as global warming is also lessened and a cost can also be reduced. An energy is applied to a fluorine compound to react the fluorine compound, thereby generating a fluorine gas component and a component other than the fluorine gas component. Furthermore, the fluorine gas component and the component other than the fluorine gas component which are generated are separated from each other so that the fluorine gas component is separated and refined. After a film forming process for a base material is carried out by a CVD apparatus, a separated and refined fluorine gas is then converted to a plasma to remove a by-product adhered into the reaction chamber.
摘要翻译:本发明的目的是提供一种能够有效地除去SiO 2或Si 3 N 4 N 2的副产物的CVD装置中的清洗方法。 >,其在膜形成步骤中在反应室中粘附并沉积在内壁,电极等的表面上。 此外,其目的在于提供一种清理方法,其中排出的清洁气体的量非常小,对全球变暖等环境的影响也减少,成本也降低。 向氟化合物施加能量以使氟化合物反应,从而产生氟气成分和氟气成分以外的成分。 此外,氟气成分和除了产生的氟气成分以外的成分彼此分离,使氟气成分分离精制。 在通过CVD装置进行基材的成膜处理之后,将分离精制的氟气转化为等离子体,除去附着在反应室中的副产物。
摘要:
The process for producing carbonyl fluoride according to the invention is a process for safely and easily producing high-purity carbonyl fluoride having a low content of carbon tetrafluoride, and comprises feeding carbon monoxide and fluorine to a reactor and allowing carbon monoxide to react with fluorine under the conditions of a reactor internal pressure of less than atmospheric pressure.
摘要:
A plasma cleaning gas for CVD chamber is a gas for cleaning silicon-containing deposits on the surface of a CVD chamber inner wall and the surfaces of members placed inside the CVD chamber after film forming treatment on a substrate by a plasma CVD apparatus. The cleaning gas includes 100% by volume of fluorine gas which gas can generate plasma by electric discharge. When 100% by volume of fluorine gas is plasma-generated by electric discharge and then used as a cleaning gas, an extremely excellent etching rate can be attained and further plasma can be stably generated even in the total gas flow rate of 1000 sccm and at a chamber pressure of 400 Pa. Further, the uniformity of cleaning can be also ensured in the above conditions. Additionally the fluorine gas concentration is 100% so that the apparatus is not complicated and thereby the cleaning gas has excellent practicability.
摘要:
The process for producing carbonyl fluoride according to the invention is a process for safely and easily producing high-purity carbonyl fluoride having a low content of carbon tetrafluoride, and comprises feeding carbon monoxide and fluorine to a reactor and allowing carbon monoxide to react with fluorine under the conditions of a reactor internal pressure of less than atmospheric pressure.
摘要:
The first chamber cleaning gas and the first silicon-containing film-etching gas of the present invention comprise at least one compound selected from the group consisting of FCOF, CF3OCOF and CF3OCF2OCOF, and O2 in the specific amount, and optionally other gases. The second chamber cleaning gas and the second silicon-containing film-etching gas comprise CF3COF, C3F7COF or CF2(COF)2 and O2 in specific amounts, and optionally may comprise other gases. The chamber cleaning gases and silicon-containing film etching gases of the present invention have a low global warming potential and hardly generate substances in the exhaust gases such as CF4, etc, which are harmful to the environment and have been perceived as contributing to global warming. Therefore, the gases are friendly to the global environment, and have easy handling and excellent exhaust gas treating properties. Further, the chamber cleaning gases of the invention have excellent cleaning rate.
摘要:
A chamber-cleaning gas and an etching gas used for a silicon-containing film according to the present invention comprise a perfluoro cyclic ether having 2 to 4 carbon atoms which are ether-linked with carbon atoms. The chamber-cleaning gas and the etching gas hardly generate a harmful waste gas, such as CF4, which is one of the causes for global warming so that they are good for environment. Further, they are a non-toxic gas or a volatile liquid, and are easy to use and are excellent in treatment of waste gas. Additionally, the chamber-cleaning gas of the present invention has an excellent cleaning rate.
摘要:
A disk device includes: a front panel; a bottom chassis, including: a bottom plate, having a first end and a second end; and a side plate, formed on the first end, the side plate formed with a first through hole; a connecting member, having a first wall formed with a second through hole and a second wall coupled with the front panel; a hook portion, formed on the first wall so as to extend in a first direction and engaging with the side plate; a screw, fitted into the first through hole and the second through hole thereby coupling the first wall and the side plate; a first engaging member, formed on the side plate; and a second engaging member, formed on the connecting member, and engaging with the first engaging member such that movement thereof in at least the first direction is restricted.
摘要:
A disk device includes: a front panel; a bottom chassis, including: a bottom plate, having a first end and a second end; and a side plate, formed on the first end, the side plate formed with a first through hole; a connecting member, having a first wall formed with a second through hole and a second wall coupled with the front panel; a hook portion, formed on the first wall so as to extend in a first direction and engaging with the side plate; a screw, fitted into the first through hole and the second through hole thereby coupling the first wall and the side plate; a first engaging member, formed on the side plate; and a second engaging member, formed on the connecting member, and engaging with the first engaging member such that movement thereof in at least the first direction is restricted.
摘要:
Compounds represented by general formula (I) and salts thereof useful as non-tolerance-inducing antiviral agents, wherein A is O, CH.sub.2 or S; R.sup.1 is lower alkoxycarbonyl, or the like; R.sup.2 is H, OR.sup.6, F, Cl, Br, CN, NHR.sup.6 or SR.sup.6 (wherein R is H, C.sub.1 -C.sub.6 lower alkyl and the like; one of R.sup.3 and R.sup.3' is H and the other thereof is H, CN, anitrogenous group such as amino or the like; R.sup.4 is NHR.sup.6 or N.dbd.CHR.sup.6 ; and R.sup.5 is CH.sub.2 CH.sub.2 XR.sup.6 or CH(XR.sup.6)CH.sub.2 XR.sup.6 (wherein X is O, S or NH.): ##STR1##