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    • 2. 发明授权
    • Wet-process apparatus
    • 湿法处理装置
    • US5344615A
    • 1994-09-06
    • US136050
    • 1993-10-14
    • Motonori YanagiCozy BanTakaaki Fukumoto
    • Motonori YanagiCozy BanTakaaki Fukumoto
    • B01D53/18B01L1/00C01B21/04H01L21/304H01L21/306B01D53/34B01D50/00
    • C01B21/0411B01L1/00
    • The present invention provides a wet-processing apparatus comprising a chamber having a working space, means for wet processing in the working space, means for supplying nitrogen gas in fluid communication with the chamber, a nitrogen gas outlet located in a wall of the chamber, means for cleaning nitrogen gas by removing contaminants mixed therewith located in an area of the chamber downstream of the working space and upstream of the nitrogen gas outlet and having a contaminated gas inlet and a treated gas outlet in fluid communication with the chamber, means for diverting gas in the chamber located downstream of the treated gas outlet and upstream of the nitrogen gas supplying means, the means for diverting gas having a first position providing egress of treated gas from the chamber through the nitrogen gas outlet while inhibiting fluid communication to other parts of the chamber and a second position permitting fluid communication and recirculation of the treated gas to other parts of the chamber while preventing egress of the treated gas through the nitrogen gas outlet, and means for circulating nitrogen gas in the chamber.
    • 本发明提供了一种湿式处理装置,包括具有工作空间的室,在工作空间中进行湿处理的装置,用于供应与室流体连通的氮气的装置,位于室壁的氮气出口, 用于通过去除位于工作空间下游和氮气出口上游处的室内区域混合的污染物并且具有被污染的气体入口和与室流体连通的处理气体出口来清洁氮气的装置,用于转向的装置 位于经处理的气体出口下游和氮气供应装置上游的腔室中的气体,用于转移具有第一位置的气体的装置,该第一位置提供经处理的气体从室通过氮气出口排出,同时抑制与其他部分的流体连通 所述腔室和第二位置允许经处理的气体流体连通并再循环到其它部件 同时防止处理气体通过氮气出口排出,以及用于在室中循环氮气的装置。
    • 9. 发明授权
    • Apparatus for polishing an article with frozen particles
    • 用冷冻颗粒抛光物品的装置
    • US5283989A
    • 1994-02-08
    • US577536
    • 1990-09-05
    • Akiko HisasueItaru KannoTakaaki Fukumoto
    • Akiko HisasueItaru KannoTakaaki Fukumoto
    • B24C1/00B24C7/00B24C11/00H01L21/304B24R7/00
    • B24C1/003B24C11/00B24C7/00
    • A novel and improved polishing apparatus is disclosed which employs ice particles as an abrasive material, the hardness of which can be changed so as to match that of an article being polished for performing polishing operation in a most efficient manner without impairing or marring the polished surface of the article. To this end, the polishing apparatus includes a freezing vessel defining therein an ice particle producing chamber, a coolant supply nozzle mounted on the freezing vessel and connected with a coolant source through a coolant supply line for spraying a coolant into the ice particle producing chamber to form a freezing atmosphere, a liquid supply nozzle mounted on the freezing vessel and connected with a liquid supply for spraying a liquid into the ice particle producing chamber so that the liquid thus sprayed is cooled and freezed by the freezing atmosphere to produce superfine ice particles, a particle hardness adjuster for adjusting the hardness of the ice particles to be produced so as to match the hardness of an article being polished, and an injection nozzle for injecting the ice particles towards a surface of the article for polishing thereof. Preferably, the particle hardness adjuster comprises a flow control valve which is disposed on the coolant supply line between the coolant supply nozzle and the coolant source for adjusting and changing the amount of coolant sprayed therefrom into the ice particle producing chamber so as to control the temperature therein.
    • 公开了一种新颖且改进的抛光装置,其使用冰颗粒作为研磨材料,其硬度可以改变,以便与被抛光的制品的硬度相匹配,以最有效的方式进行抛光操作,而不损害或磨损抛光表面 的文章。 为此,抛光装置包括在其中限定冰颗粒产生室的冷冻机,安装在冷冻容器上的冷却剂供应喷嘴,并通过冷却剂供应管线与冷却剂源连接,用于将冷却剂喷射到冰颗粒产生室中 形成冷冻气氛,安装在冷冻容器上的液体供应喷嘴,并与用于将液体喷射到冰粒产生室中的液体供应源连接,使得如此喷射的液体被冷冻气氛冷却并冷冻以产生超细冰颗粒, 粒子硬度调节器,用于调节要制造的冰颗粒的硬度以匹配待抛光的制品的硬度;以及喷嘴,用于将冰颗粒注射到制品的表面以进行抛光。 优选地,颗粒硬度调节器包括流量控制阀,该流量控制阀设置在冷却剂供应喷嘴和冷却剂源之间的冷却剂供应管线上,用于调节和改变从其喷射到冰颗粒产生室中的冷却剂的量,以便控制温度 其中。