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    • 1. 发明授权
    • Process for imaging laserinterferometry and a laserinterferometer for
carrying out said process
    • 用于成像激光干涉测量的方法和用于执行所述方法的激光干涉仪
    • US4838694A
    • 1989-06-13
    • US113275
    • 1987-09-09
    • Hans BetzHerman MaderJoachim Pelka
    • Hans BetzHerman MaderJoachim Pelka
    • G01B11/06
    • G01B11/0675
    • The present invention relates to a laserinterferometric process, in particular, for use in etching thin layers, whereby a layer to be examined is radiated with a laser passing over a surface of the layer and the intensity of the reflected laser beam, which is composed of a beam reflected from the surface of the layer to be examined and one reflected from its lower interface is ascertained and evaluated by a data processing system from which the information concerning the layer to be examined is read out. The present invention also relates to an imaging laserinterferometer comprising a modulator, which deflects the laser beam, a detector for the reflected laser beam and a data processing systen, which analyzes the detector signals.
    • PCT No.PCT / DE87 / 00002 Sec。 371日期1987年9月9日第 102(e)1987年9月9日PCT PCT 1987年1月8日PCT公布。 公开号WO87 / 04237 日期1987年7月16日。本发明涉及一种激光干涉测量方法,特别涉及用于蚀刻薄层的激光干涉测量方法,由此通过激光穿过该层的表面和被反射的强度照射被检查层 由从被检查层的表面反射的光束和从其下部接口反射的光束构成的激光束由数据处理系统确定和评估,从该数据处理系统读出关于被检查层的信息。 本发明还涉及一种成像激光干涉仪,其包括使激光束偏转的调制器,用于反射的激光束的检测器和分析检测器信号的数据处理系统。
    • 2. 发明授权
    • Method for producing separating nozzle elements for the separation of
fluid mixtures
    • 用于分离流体混合物的分离喷嘴元件的制造方法
    • US4493753A
    • 1985-01-15
    • US502721
    • 1983-06-09
    • Erwin BeckerWolfgang EhrfeldDietrich MunchmeyerHans BetzAnton Heuberger
    • Erwin BeckerWolfgang EhrfeldDietrich MunchmeyerHans BetzAnton Heuberger
    • B01D59/20B01D59/18B81B1/00B81C1/00C25D1/02C25D1/20
    • B01D59/18Y10S205/918
    • A separating nozzle element composed of a separating body and two cover plates between which the body is interposed, the nozzle element being used for the separation of gaseous or vaporous mixtures, is produced by providing a layer of a material whose ability to be removed from the layer can be altered by irradiation, the thickness of the layer being approximately equal to the thickness of the separating body, irradiating the layer, starting at one surface, with radiation which has a penetration depth into the material of the layer which is less than the thickness of the layer, in a pattern corresponding to the cross section of the separating body structure, and removing from the layer material which is more easily removable as a result of the irradiation, to thereby permit the radiation to penetrate to greater distances from the one surface, while continuing the removal of material until the entire thickness of the layer has been subjected to radiation and removal, to form a mold of the separating body. The mold is then filled with material constituting the separating body, whereafter the mold is removed.
    • 分离喷嘴元件由分离体和两个盖板组成,主体之间插入有用于分离气态或蒸气混合物的喷嘴元件,其通过提供一层能从中除去的能力的材料 层的厚度可以通过照射改变,层的厚度近似等于分离体的厚度,从一个表面开始照射层,其中具有穿入深度的层的材料的辐射小于 以对应于分离体结构的横截面的图案的层的厚度,以及从层中去除由于照射而更容易移除的层材料,从而允许辐射穿透到距离一个的更远的距离 表面,同时继续去除材料,直到层的整个厚度已经经受辐射和去除,以形成t的模具 他分离身体。 然后用构成分离体的材料填充模具,之后去除模具。