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    • 5. 发明授权
    • Method of manufacturing silica glass member and silica glass member obtained by the method
    • 通过该方法获得的石英玻璃构件和石英玻璃构件的制造方法
    • US06769273B1
    • 2004-08-03
    • US09786470
    • 2001-03-05
    • Kazuhiro NakagawaHiroyuki Hiraiwa
    • Kazuhiro NakagawaHiroyuki Hiraiwa
    • G01N2300
    • C03B32/00C03B19/1423C03B19/1453C03B19/1469C03B19/1484C03B2201/02C03B2207/62C03B2207/70C03C3/06C03C2203/52Y10S501/905
    • A silica glass member manufacturing method of the present invention includes the steps of making a silicon compound react in oxyhydrogen flame using a burner having a multi-tubular structure to obtain fine silica glass particles, depositing the fine silica glass particles on a support rotating and placed to oppose the burner to obtain a silica glass ingot with a temperature distribution in at least one plane perpendicular to a rotational axis of the silica glass ingot, the temperature distribution being symmetrical with respect to the rotational axis and having a maximal value between a center and a peripheral portion of the plane, and obtaining a distribution of signed birefringence values on the basis of birefringence values and directions of phase advance axes measured at a plurality of points in the plane perpendicular to the rotational axis of the silica glass ingot and cutting, from the silica glass ingot, a silica glass member whose signed birefringence values monotonously increase from the center to the peripheral portion of the plane.
    • 本发明的石英玻璃构件制造方法包括以下步骤:使用具有多管状结构的燃烧器,在氢氧焰中反应硅化合物,得到细小的二氧化硅玻璃粒子,将二氧化硅玻璃微粒沉积在旋转放置的载体上 与燃烧器相对,以获得在与石英玻璃锭的旋转轴线垂直的至少一个平面中的温度分布的二氧化硅玻璃锭,温度分布相对于旋转轴线对称,并且在中心和 基于双折射值和在与石英玻璃锭的旋转轴线垂直的平面上的多个点处测量的相位提前轴的方向并且切割从而获得带符号双折射值的分布,从 石英玻璃锭,其双键双折射值单调增加的石英玻璃构件 从中心到平面的周边部分。
    • 7. 发明授权
    • Liquid material supplying apparatus and liquid material supplying method
    • 液体材料供应装置和液体材料供应方法
    • US6116260A
    • 2000-09-12
    • US51469
    • 1998-04-15
    • Kazuhiro NakagawaHiroyuki Hiraiwa
    • Kazuhiro NakagawaHiroyuki Hiraiwa
    • B01J4/00C01B32/40F17D1/18
    • B01J4/00C01B31/18Y10T137/0396Y10T137/1729Y10T137/3124Y10T137/8326Y10T137/86035Y10T137/86083Y10T137/86163
    • A liquid material supplying apparatus comprises:vessels 150, 250, each having gas inlet pipe 151, 251, discharge pipe 153, 253, and interconnection pipe 155, 255 capable of making the gas inlet pipe 151, 251 communicate with the discharge pipe 153, 253, the vessels containing a liquid material;a permanent line P comprising gas line connection pipes 113, 213 detachably connected to the gas inlet pipes 151, 251, gas supply pipe 111 connected to the gas line connection pipes 113, 213 and to pressure gas supply 70, material line connection pipes 123, 223 detachably connected to the discharge pipes 153, 253, material supply pipe 127 connected to the material line connection pipes 123, 223 and to vaporizer 91, and by-pass pipes 129, 229 capable of making the gas supply pipe 111 communicate with the material line connection pipe 123, 223; anda vent line 30 comprising exhaust pipes 131, 231 connected to the gas line connection pipes 113, 213 or to the material line connection pipes 123, 223, and a vacuum pump 135 connected to the exhaust pipes 131, 231.
    • PCT No.PCT / JP96 / 02360 371日期:1998年4月15日 102(e)1998年4月15日PCT PCT 1996年8月23日PCT公布。 公开号WO98 / 07509 日期1998年2月26日液体材料供给装置包括:容器150,250,各自具有气体入口管151,251,排出管153,253和能够使气体导入管151,251的互连管155,255与 排出管153,253,容纳液体材料的容器; 永久线P包括可拆卸地连接到气体入口管151,251的气体管线连接管113,213,连接到气体管线连接管113,213的气体供应管111和压力气体供应70,材料管线连接管123, 223可拆卸地连接到排出管153,253,连接到材料管线连接管123,223的材料供应管127和蒸发器91,以及能够使气体供应管111与材料连通的旁通管129,229 线连接管123,223; 以及排气管30,其包括连接到气体管线连接管113,213的排气管131,231,或者连接到排气管131,231的材料管线连接管123,223和真空泵135。