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公开(公告)号：US20170203995A1
公开(公告)日：2017-07-20
申请号：US15473425
申请日：2017-03-29
IPC分类号： C03B37/014 , C03B37/027
CPC分类号： C03B37/01426 , C03B37/01211 , C03B37/027 , C03B2201/12 , C03B2201/23 , Y02P40/57 , Y10T428/2935
摘要： The aim of the invention is to improve a generally known method for producing quartz glass doped with fluorine, wherein SiO2 particles are formed in the presence of fluorine by means of a plasma deposition process, deposited in layers on an outer envelope of a cylindrical quartz glass substrate body rotating about its longitudinal axis, and vitrified to form a layer of quartz glass with a fluorine content of at least 1.5 wt. %, in such a way that a quartz glass semifinished product with a high fluorine content, characterised by a high basic transmission in the UV wavelength range, is obtained. To this end, the substrate body has at least one reservoir layer of quartz glass at least in the region of the outer envelope thereof, having a minimum hydroxyl group content of 200 wt. ppm and/or a minimum hydrogen content of 1×1017 molecules/cm3, and the substrate body is either fully or partially removed following the deposition of the quartz glass layer doped with fluorine.
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公开(公告)号：US10336645B2
公开(公告)日：2019-07-02
申请号：US15634634
申请日：2017-06-27
发明人： Hardy Baierl , Stephan Grimm , Kay Schuster , Jan Dellith , Andreas Langner , Gerhard Schoetz , Walter Lehmann , Thomas Kayser
摘要： A method for producing rare earth metal-doped quartz glass includes the steps of (a) providing a blank of the rare earth metal-doped quartz glass, and (b) homogenizing the blank by softening the blank zone by zone in a heating zone and by twisting the softened zone along a rotation axis. Some rare earth metals, however, show a discoloration of the quartz glass, which hints at an unforeseeable and undesired change in the chemical composition or possibly at an inhomogeneous distribution of the dopants. To avoid this drawback and to provide a modified method which ensures the production of rare earth metal-doped quartz glass with reproducible properties, during homogenization according to method step (b), the blank is softened under the action of an oxidizingly acting or a neutral plasma.
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3.发明申请公开(公告)号：US20150197688A1
公开(公告)日：2015-07-16
申请号：US14411332
申请日：2013-06-25
发明人： Mario Such , Gerhard Schoetz , Andreas Langner
CPC分类号： C09K11/7706 , C01B33/18 , C03B19/066 , C03B2201/06 , C03B2201/32 , C03B2201/34 , C03B2201/36 , C03C1/006 , C03C3/06 , C03C3/061 , C03C4/12 , C03C2201/06 , C03C2201/3488 , C03C2201/36 , C09K11/025
摘要： The invention relates to a method for producing a doped SiO2 slurry in which an SiO2 suspension is brought into interaction with at least one doping solution, wherein the SiO2 suspension and/or the doping solution act on one another in the form of an atomised spray, the average droplet diameter of which is in the range between 10 μm and 100 μm. The invention further relates to the use of an SiO2 slurry doped by the atomised spray method for the production of doped quartz glass, particularly for the production of laser-active quartz glass.
摘要翻译： 本发明涉及一种制备掺杂SiO 2浆料的方法，其中SiO 2悬浮液与至少一种掺杂溶液相互作用，其中SiO 2悬浮液和/或掺杂溶液以雾化喷雾的形式彼此作用， 其平均液滴直径在10μm和100μm之间的范围内。 本发明还涉及通过雾化喷雾方法掺杂的SiO 2浆料用于生产掺杂石英玻璃的用途，特别是用于生产激光活性石英玻璃。
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公开(公告)号：US20150086462A1
公开(公告)日：2015-03-26
申请号：US14397484
申请日：2013-04-25
发明人： Mario Such , Gerhard Schoetz , Andreas Langner
IPC分类号： C01B33/18
CPC分类号： C01B33/18 , C03B19/108 , C03C1/026
摘要： The invention relates to a process for producing SiO2 granules by freezing and re-thawing an SiO2 suspension, wherein a separation of liquid and sediment composed of agglomerated SiO2 particles occurs in the course of thawing, the liquid removed is decanted and the residual moisture in the sediment is removed by a drying step with formation of the SiO2 granules. According to the invention, an auxiliary comprising alkali metal-free bases in the form of nitrogen hydrides is added to the suspension to set the pH greater than 7.
摘要翻译： 本发明涉及一种通过冷冻和再融化SiO 2悬浮液来生产SiO 2颗粒的方法，其中在解冻过程中发生由附聚的SiO 2颗粒组成的液体和沉积物的分离，将去除的液体倾倒并将残留的水分 通过形成SiO 2颗粒的干燥步骤除去沉淀物。 根据本发明，向悬浮液中加入包含氮化氢形式的不含碱金属的碱的辅助剂，使pH大于7。
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5.发明授权公开(公告)号：US09296639B2
公开(公告)日：2016-03-29
申请号：US14420572
申请日：2013-08-08
发明人： Gerhard Schoetz , Karsten Bräuer , Richard Schmidt , Peter Bauer , Andreas Schultheis , Paul Bödiger , Andreas Langner
IPC分类号： C03B37/012
CPC分类号： C03B37/01291 , C03B2201/12 , C03B2203/12
摘要： The invention relates to a plasma deposition process for producing an optical preform, which is characterized by a cladding glass layer having a non-round internal cross-section together with high fluorine doping and axially and radially specified dopant distribution, which in the simplest case is as uniform as possible. For this purpose, a two-stage method is proposed, wherein a substrate body having a non-round cross-section is first reshaped into a coated substrate body having a circular cross-section in that a POD filling layer made of quartz glass having the nominal fluorine concentration is deposited onto a present filling surface and rounded by grinding, and then in the second stage of the method a POD sheathing glass layer made of fluorine-doped quartz glass and having a circular-ring-shaped cross-section is deposited.
摘要翻译： 本发明涉及一种用于制造光学预型件的等离子体沉积工艺，其特征在于具有非圆形内部横截面的包层玻璃层以及高氟掺杂以及轴向和径向指定的掺杂剂分布，其最简单的情况是 尽可能统一。 为此，提出了一种两级方法，其中具有非圆形横截面的基底主体首先重新成形为具有圆形横截面的涂覆基底主体，其中由具有圆形横截面的石英玻璃制成的POD填充层具有 将标称氟浓度沉积在当前的填充表面上并通过研磨进行圆化，然后在该方法的第二阶段中沉积由氟掺杂的石英玻璃制成并具有圆环形横截面的POD护套玻璃层。
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公开(公告)号：US09902621B2
公开(公告)日：2018-02-27
申请号：US14397484
申请日：2013-04-25
发明人： Mario Such , Gerhard Schoetz , Andreas Langner
CPC分类号： C01B33/18 , C03B19/108 , C03C1/026
摘要： The invention relates to a process for producing SiO2 granules by freezing and re-thawing an SiO2 suspension, wherein a separation of liquid and sediment composed of agglomerated SiO2 particles occurs in the course of thawing, the liquid removed is decanted and the residual moisture in the sediment is removed by a drying step with formation of the SiO2 granules. According to the invention, an auxiliary comprising alkali metal-free bases in the form of nitrogen hydrides is added to the suspension to set the pH greater than 7.
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7.发明授权公开(公告)号：US09518218B2
公开(公告)日：2016-12-13
申请号：US14411332
申请日：2013-06-25
发明人： Mario Such , Gerhard Schoetz , Andreas Langner
CPC分类号： C09K11/7706 , C01B33/18 , C03B19/066 , C03B2201/06 , C03B2201/32 , C03B2201/34 , C03B2201/36 , C03C1/006 , C03C3/06 , C03C3/061 , C03C4/12 , C03C2201/06 , C03C2201/3488 , C03C2201/36 , C09K11/025
摘要： The invention relates to a method for producing a doped SiO2 slurry in which an SiO2 suspension is brought into interaction with at least one doping solution, wherein the SiO2 suspension and/or the doping solution act on one another in the form of an atomized spray, the average droplet diameter of which is in the range between 10 μm and 100 μm. The invention further relates to the use of an SiO2 slurry doped by the atomized spray method for the production of doped quartz glass, particularly for the production of laser-active quartz glass.
摘要翻译： 本发明涉及一种用于制备掺杂SiO 2浆料的方法，其中SiO 2悬浮液与至少一种掺杂溶液相互作用，其中SiO 2悬浮液和/或掺杂溶液以雾化喷雾的形式彼此作用， 其平均液滴直径在10μm和100μm之间的范围内。 本发明还涉及通过雾化喷雾方法掺杂的SiO 2浆料用于生产掺杂石英玻璃，特别是用于生产激光活性石英玻璃的用途。
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