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    • 1. 发明申请
    • A METHOD AND A DEVICE FOR MEASUREMENT IN A PROCESS FOR MANUFACTURING A PLANAR GLASS COATING
    • 用于制造平面玻璃涂层的方法中的测量方法和装置
    • WO2002059050A1
    • 2002-08-01
    • PCT/FI2002/000012
    • 2002-01-08
    • LIEKKI OYTIKKANEN, JuhaKESKINEN, JormaRAJALA, Markku
    • TIKKANEN, JuhaKESKINEN, JormaRAJALA, Markku
    • C03B19/14
    • G02B6/132C03B19/1423C03B2207/34C03B2207/46
    • The invention relates to a measurement method and device to be used in connection with a manufacturing process of a planar glass coating, in which manufacturing process for example a thermal reactor (10), such as a flame or plasma is used to produce aerosol particles (13) from reactants (12), which said aerosol particles (13) are guided on the surface of a substrate (14), thus forming a coating layer. According to the invention, the electric charge conveyed on the substrate (14) by the aerosol particles (13) entering the substrate is measured by means of a current measurement means (17) during the process to monitor the coating process. The current measurement means (17) is arranged to communicate with a process control unit (18) to adjust the process conditions according to predetermined threshold value. In an embodiment of the invention, the measurement is based on the electric charge attained intrinsically by the aerosol particles (13) during their formation. If necessary, it is also possible to use a separate charger (23), for example a so-called corona charger to charge the aerosol particles (13).
    • 本发明涉及一种与平面玻璃涂层的制造工艺相结合使用的测量方法和装置,其中使用诸如火焰或等离子体的热反应器(10)的制造工艺来产生气溶胶颗粒( 13)从所述气溶胶颗粒(13)被引导到衬底(14)的表面上的反应物(12),从而形成涂层。 根据本发明,在监测涂布过程的过程中,通过电流测量装置(17)测量在进入衬底的气溶胶颗粒(13)在衬底(14)上传送的电荷。 电流测量装置(17)被布置成与过程控制单元(18)进行通信,以根据预定阈值调整过程状态。 在本发明的一个实施例中,测量是基于气溶胶颗粒(13)在其形成过程中本质上获得的电荷。 如果需要,还可以使用单独的充电器(23),例如所谓的电晕充电器来对气溶胶颗粒(13)充电。
    • 2. 发明申请
    • OPTICAL WAVEGUIDE MATERIAL AS WELL AS METHOD AND DEVICE FOR PRODUCING IT
    • 光波导材料作为其生产方法和装置
    • WO2006003253A1
    • 2006-01-12
    • PCT/FI2005/050239
    • 2005-06-23
    • LIEKKI OYJANKA, KaukoRAJALA, MarkkuTIKKANEN, Juha
    • JANKA, KaukoRAJALA, MarkkuTIKKANEN, Juha
    • C03B37/014
    • C03B37/0142C03B2201/34C03B2201/36C03B2207/14C03B2207/34C03C3/06Y02P40/57
    • The invention relates to the production of light-amplifying optical material. Liquid reactant (10) is atomized into droplets (15) using a high velocity gas (20) . The droplets (15) are subsequently introduced into a flame (100) . Reactants (10, 30) are oxidized in the flame (100) and condensed by forming small particles (50) . At least a fraction of said particles (50) is collected and fused to form optical waveguide material, which is subsequently drawn to form an optical waveguide (750) . According to the invention, the velocity of the atomizing gas (20) stream is in the range of 0.3 to 1.5 times the velocity of sound. The high velocity enhances atomization and increases reaction rates in the flame (100) . The residence times are reduced to such a degree that unwanted phase transformations in the produced particles (50) are substantially minimized. Consequently, very homogeneous material is produced. Especially, in the production of erbium-doped silica, low percentage of clustered erbium ions is achieved.
    • 本发明涉及光放大光学材料的制造。 使用高速气体(20)将液体反应物(10)雾化成液滴(15)。 随后将液滴(15)引入火焰(100)中。 反应物(10,30)在火焰(100)中被氧化并通过形成小颗粒(50)而冷凝。 至少一部分所述颗粒(50)被收集并熔化以形成光波导材料,其随后被拉制以形成光波导(750)。 根据本发明,雾化气体(20)流的速度在声速的0.3至1.5倍的范围内。 高速度增强了雾化并增加了火焰中的反应速率(100)。 停留时间减少到这样的程度,使得所产生的颗粒(50)中的不需要的相变基本上最小化。 因此,产生非常均匀的材料。 特别地,在掺铒二氧化硅的生产中,实现了低百分比的聚集铒离子。