公开(公告)号：US20040149006A1

公开(公告)日：2004-08-05

申请号：US10760056

申请日：2004-01-16

申请人： Dowa Mining Co., Ltd.

发明人： Hidetoshi Juryozawa ,  Keiji Yokose ,  Fumitaka Abukawa ,  Jun Takahashi ,  Hisashi Ebihara

IPC分类号： G01N025/00

CPC分类号： C23C8/20 ,  F27B5/04 ,  F27B5/08 ,  F27B5/14 ,  F27B5/18 ,  F27B9/045 ,  F27B9/34 ,  F27B2005/166 ,  F27D1/0009 ,  F27D11/00 ,  F27D2007/066 ,  F27D2009/0016 ,  G01N27/12

摘要： A vacuum heat treatment furnace comprising a furnace shell, a casing arranged in an inner side of the furnace shell, a heat insulating layer consisting of a thick plate-like alumina-silica series ceramic fiber blanket and a thin plate-like alumina series ceramic material arranged in an inside of the casing, and a heater arranged in a heating room surrounded by the heat insulating layer. A method of and apparatus for measuring a carbon concentration in an atmosphere in a treating room having a reduced pressure, wherein a carbon concentration measuring body is transferred from an external portion of a furnace shell of a heat treatment furnace into the treating room within the furnace shell, the carbon concentration measuring body is reacted with the atmosphere in the treating room for a predetermined time, the carbon concentration measuring body is gradually cooled for a predetermined time, and an amount of carbon in the carbon concentration measuring body is measured in the atmospheric pressure at a room temperature.

摘要翻译： 一种真空热处理炉，包括炉壳，布置在炉壳内侧的壳体，由厚板状氧化铝 - 二氧化硅系陶瓷纤维毯和薄板状氧化铝系陶瓷材料构成的隔热层 布置在壳体的内部，以及布置在由绝热层包围的加热室中的加热器。 一种用于测量具有减压的处理室中的气氛中的碳浓度的方法和装置，其中将碳浓度测量体从热处理炉的炉壳的外部转移到炉内的处理室中 将碳浓度测定体与处理室内的气氛反应规定时间，将碳浓度测定体逐渐冷却规定时间，在大气中测定碳浓度测定体的碳量 室温下的压力。

公开(公告)号：US20020189322A1

公开(公告)日：2002-12-19

申请号：US10108770

申请日：2002-03-28

申请人： Dowa Mining Co., Ltd.

发明人： Hidetoshi Juryozawa ,  Keiji Yokose ,  Fumitaka Abukawa ,  Jun Takahashi ,  Hisashi Ebihara

IPC分类号： G01N007/00

CPC分类号： C23C8/20 ,  F27B5/04 ,  F27B5/08 ,  F27B5/14 ,  F27B5/18 ,  F27B9/045 ,  F27B9/34 ,  F27B2005/166 ,  F27D1/0009 ,  F27D11/00 ,  F27D2007/066 ,  F27D2009/0016 ,  G01N27/12

摘要： A vacuum heat treatment furnace comprising a furnace shell, a casing arranged in an inner side of the furnace shell, a heat insulating layer consisting of a thick plate-like alumina-silica series ceramic fiber blanket and a thin plate-like alumina series ceramic material arranged in an inside of the casing, and a heater arranged in a heating room surrounded by the heat insulating layer. A method of and apparatus for measuring a carbon concentration in an atmosphere in a treating room having a reduced pressure, wherein a carbon concentration measuring body is transferred from an external portion of a furnace shell of a heat treatment furnace into the treating room within the furnace shell, the carbon concentration measuring body is reacted with the atmosphere in the treating room for a predetermined time, the carbon concentration measuring body is gradually cooled for a predetermined time, and an amount of carbon in the carbon concentration measuring body is measured in the atmospheric pressure at a room temperature.

摘要翻译： 一种真空热处理炉，包括炉壳，布置在炉壳内侧的壳体，由厚板状氧化铝 - 二氧化硅系陶瓷纤维毯和薄板状氧化铝系陶瓷材料构成的隔热层 布置在壳体的内部，以及布置在由绝热层包围的加热室中的加热器。 一种用于测量具有减压的处理室中的气氛中的碳浓度的方法和装置，其中将碳浓度测量体从热处理炉的炉壳的外部转移到炉内的处理室中 将碳浓度测定体与处理室内的气氛反应规定时间，将碳浓度测定体逐渐冷却规定时间，在大气中测定碳浓度测定体的碳量 室温下的压力。