Mixed powder and a method for producing quartz glass using the powder
    11.
    发明申请
    Mixed powder and a method for producing quartz glass using the powder 有权
    混合粉末和使用粉末生产石英玻璃的方法

    公开(公告)号:US20080053151A1

    公开(公告)日:2008-03-06

    申请号:US11897406

    申请日:2007-08-30

    Applicant: Tatsuhiro Sato

    Inventor: Tatsuhiro Sato

    Abstract: A mixed quartz powder contains quartz powder and two or more types of doping element in an amount of from 0.1 to 20 mass %. The aforementioned doped elements include a first dope element selected from the group consisting of N, C and F, and a second dope element selected from the group consisting of Mg, Ca, Sr, Ba, Sc, Y, Ti, Zr, Hf, the lanthanides and the actinides. The “quartz powder” is a powder of crystalline quartz or it is a powder of glassy SiO2 particles. It is made form natural occurring quartz or it is fabricated synthetically. The “quartz powder” may be doped. The compounding ratio of the total amount (M1) of the aforementioned first elements and the total amount (M2) of the aforementioned second elements as the ratio of the number of atoms (M1)/(M2) is preferably from 0.1 to 20. Al as well as the aforementioned doped elements is preferably included in a mixed quartz powder of this invention.

    Abstract translation: 混合石英粉含有0.1〜20质量%的石英粉和2种以上的掺杂元素。 上述掺杂元素包括选自N,C和F的第一掺杂元素和选自Mg,Ca,Sr,Ba,Sc,Y,Ti,Zr,Hf的第二掺杂元素, 镧系元素和锕系元素。 “石英粉”是结晶石英的粉末,或是玻璃状SiO 2颗粒的粉末。 它由天然石英制成,或者由合成制成。 可以掺杂“石英粉”。 上述第一元素的总量(M1)与上述第二元素的总量(M2)的配位比优选为0.1〜20。作为原子数(M1)/(M2)的比例,优选为0.1〜20。 以及上述掺杂元素优选包括在本发明的混合石英粉末中。

    Heat treating apparatus using quartz glass
    13.
    发明授权
    Heat treating apparatus using quartz glass 失效
    使用石英玻璃的热处理设备

    公开(公告)号:US06399526B2

    公开(公告)日:2002-06-04

    申请号:US09871979

    申请日:2001-06-04

    Abstract: A quartz glass which would not become a source for the contamination even if it contains metallic impurities. This quartz glass includes a region where a concentration of E′ center as measured by means of an. electron spin resonance analysis is 3×1019 cm−3 or more. This quartz glass can be manufactured by a method including the steps of forming an initial quartz glass by melting and quenching a raw material for quartz glass, and implanting therein an ion, which is capable of entering into an SiO2 network of the initial quartz glass and substantially incapable of externally diffusing, to increase a concentration of E′ center in at least part of the initial quartz glass. This quartz glass can be manufactured by a method making use of a quartz glass raw material containing 0.01 to 0.1% by weight of-silicon, by a method of irradiating ultraviolet ray to the initial quartz glass, or by a method of giving an abrasion damage to the surface of the initial quartz glass by means of sand blast.

    Abstract translation: 即使含有金属杂质,也不会成为污染源的石英玻璃。 该石英玻璃包括通过以下方法测量的E'中心浓度的区域。 电子自旋共振分析为3×10 19 cm -3以上。 该石英玻璃可以通过以下方法制造:包括以下步骤:通过熔融和淬火用于石英玻璃的原料形成初始石英玻璃,并且在其中注入能够进入初始石英玻璃的SiO 2网络的离子,以及 基本上不能进行外部扩散,以增加至少部分初始石英玻璃中的E'中心的浓度。 该石英玻璃可以通过使用含有0.01〜0.1重量%硅的石英玻璃原料的方法,通过向初始石英玻璃照射紫外线的方法或通过给予磨损损伤的方法来制造 通过喷砂处理到初始石英玻璃的表面。

    BLACK SYNTHETIC QUARTZ GLASS WITH A TRANSPARENT LAYER
    16.
    发明申请
    BLACK SYNTHETIC QUARTZ GLASS WITH A TRANSPARENT LAYER 审中-公开
    黑色合成石英玻璃与透明层

    公开(公告)号:US20090098370A1

    公开(公告)日:2009-04-16

    申请号:US12249616

    申请日:2008-10-10

    Abstract: To provide a black synthetic quartz glass with a transparent layer, which has high emissivity in the far infrared region, has excellent light-shielding properties, maintains the same degree of purity as synthetic quartz glass in terms of metal impurities, has high-temperature viscosity characteristics comparable to natural quartz glass, can undergo high-temperature processing like welding, and does not release carbon from its surface; together with a method for the production thereof.A porous silica glass body containing hydroxyl groups is subjected to a gas phase reaction in a volatile organosilicon compound atmosphere at a temperature between 100° C. and 1200° C. and, following the reaction, evacuation is commenced and, on reaching a degree of vacuum exceeding 10 mmHg (1343 Pa), heating is carried out at a temperature between 1200° C. and 2000° C. to produce a compact glass body.

    Abstract translation: 为了提供具有透明层的黑色合成石英玻璃,其在远红外区域具有高发射率,具有优异的遮光性能,在金属杂质方面保持与合成石英玻璃相同的纯度,具有高温粘度 与天然石英玻璃相当的特性,可进行焊接等高温加工,不会从表面释放碳; 以及其生产方法。 含有羟基的多孔二氧化硅玻璃体在100℃〜1200℃的温度下在挥发性有机硅化合物气氛中进行气相反应,反应开始后,达到一定程度的 真空度超过10mmHg(1343Pa),在1200℃〜2000℃的温度下进行加热,生成紧凑的玻璃体。

    Method for producing synthetic quartz glass and synthetic quartz glass article
    17.
    发明申请
    Method for producing synthetic quartz glass and synthetic quartz glass article 有权
    生产合成石英玻璃和合成石英玻璃制品的方法

    公开(公告)号:US20060059948A1

    公开(公告)日:2006-03-23

    申请号:US10535935

    申请日:2003-11-28

    Abstract: First of all, there is provided a production process of a synthetic quartz glass which has less impurity, has a high-temperature viscosity characteristic equal to or more than that of a natural quartz glass, and hardly deforms even in a high-temperature environment, and especially a production process of a highly heat resistant synthetic quartz glass which is free from the generation of bubbles and is dense. Secondly, there is provided a highly heat resistant synthetic quartz glass body which is easily obtained by the production process of the present invention, and especially a transparent or black quartz glass body which is free from the generation of bubbles, is dense, has high infrared absorption rate and emission rate, and has an extremely high effect for preventing diffusion of alkali metal. The process is a process of producing a highly heat resistant quartz glass body having an absorption coefficient at 245 nm of 0.05 cm−1 or more, and the silica porous body was subjected to a reduction treatment, followed by baking, thereby forming a dense glass body.

    Abstract translation: 首先,提供了杂质少,具有等于或高于天然石英玻璃的高温粘度特性的合成石英玻璃的制造方法,即使在高温环境下也几乎不变形, 特别是高度耐热的合成石英玻璃的生产过程,其不产生气泡并且致密。 其次,提供了通过本发明的制造方法容易获得的高耐热性合成石英玻璃体,特别是不产生气泡的透明或黑色石英玻璃体,具有高红外 吸收率和排放率,对防止碱金属的扩散具有极高的效果。 该方法是生产具有245nm的吸收系数为0.05cm -1以上的高耐热性石英玻璃体的工序,对二氧化硅多孔体进行还原处理,其次是 烘烤,从而形成致密的玻璃体。

    Process for making opaque quartz, for carrying out the process suitable SiO2 granulate, and component of opaque quartz glass
    20.
    发明授权
    Process for making opaque quartz, for carrying out the process suitable SiO2 granulate, and component of opaque quartz glass 有权
    制造不透明石英的方法,用于进行适合SiO 2颗粒的工艺,以及不透明石英玻璃的组分

    公开(公告)号:US06380110B1

    公开(公告)日:2002-04-30

    申请号:US09484113

    申请日:2000-01-14

    Abstract: In a known process for the production of opaque quartz glass a blank is formed from synthetic SiO2 granulate and is heated at a vitrification temperature to form a body of opaque quartz glass. In order to provide on this basis a process for the production of pure opaque quartz glass with a homogenous pore distribution, high density, high viscosity and a low tendency to devitrify, it is proposed according to the invention that the SiO2 granulate to be used is a SiO2 granulate (21; 31) composed of at least partially porous agglomerates of SiO2 primary particles, with a specific BET surface ranging from 1.5 m2/g to 40 m2/g and an apparent density of at least 0.8 g/cm3. A SiO2 granulate (21; 31) suitable for the implementation of the process is distinguished in that it is formed from at least partially porous agglomerates of SiO2 primary particles and in that it has a specific BET surface ranging from 1.5 m2/g to 40 m2/g and an apparent density of at least 0.6 g/cm3.

    Abstract translation: 在制造不透明石英玻璃的已知方法中,由合成SiO 2颗粒形成坯料,并在玻璃化温度下加热以形成不透明石英玻璃体。 为了在此基础上提供具有均匀孔分布,高密度,高粘度和低失透倾向的纯不透明石英玻璃的制备方法,根据本发明提出使用的SiO 2颗粒是 SiO 2颗粒(21; 31),其由SiO 2一次颗粒的至少部分多孔的附聚物组成,BET比表面积为1.5m 2 / g至40m 2 / g,表观密度为至少0.8g / cm 3。 适用于实施该方法的SiO 2颗粒(21; 31)的特征在于其由SiO 2一次颗粒的至少部分多孔的附聚物形成,并且其具有范围为1.5m 2 / g至40m 2的比BET表面积 / g,表观密度为0.6g / cm 3以上。

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