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    • 8. 发明授权
    • Method and composition for arbitrary angle mirrors in substrates for use
in hybrid optical systems
    • 用于混合光学系统的基板中的任意角度镜的方法和组成
    • US5786925A
    • 1998-07-28
    • US650582
    • 1996-05-20
    • Keith Wayne GoossenJames Albert Walker
    • Keith Wayne GoossenJames Albert Walker
    • H01L27/15G02B6/12G02B6/122G02B6/42H01S5/00G02F1/025G02B6/26G02F1/035G02F1/295
    • G02B6/4214G02B6/122G02B2006/12104
    • A method for forming, and an arrangement for using arbitrary angle mirrors in substrates is disclosed. An erodible material, such as a photoresist, is applied to a substrate at a site and is exposed to radiation at that site which has a linear variation in energy at the surface of the erodible material. Due to this variation in exposure energy, a taper results in the erodible material after development. The tapered region is then etched in a manner which etches both the erodible layer and the underlying substrate. The taper in the erodible layer provides a varying attenuation during the etching process such that the taper of the erodible layer, or a multiple of it, is transferred to the substrate. In a first embodiment, a tapered reflective surface is formed in a substrate, which surface engages an optical signal and deflects it to an optical device or another surface. In a second embodiment, two tapered reflective surfaces are formed in a substrate and oriented to deflect incident light to a modulation device. In a third embodiment, an arrangement for modulating a light signal is formed by two tapered reflective surfaces. The surfaces are oriented to form a vee groove in a substrate and are coated with an active semiconductor device.
    • 公开了一种用于在衬底中使用任意角度镜的形成方法和布置。 将一种可蚀刻材料,例如光致抗蚀剂施加到位于基底的位置,并暴露于该位置处的辐射,其在可侵蚀材料的表面处具有线性的能量变化。 由于暴露能量的这种变化,锥形导致显影后的可侵蚀材料。 然后以蚀刻两个可侵蚀层和下面的衬底的方式蚀刻该锥形区域。 可蚀化层中的锥度在蚀刻工艺期间提供变化的衰减,使得可侵蚀层的锥度或其多次被转移到衬底。 在第一实施例中,锥形反射表面形成在衬底中,该表面接合光信号并将其偏转到光学器件或另一表面。 在第二实施例中,两个锥形反射表面形成在基板中并且被定向成将入射光偏转到调制装置。 在第三实施例中,用于调制光信号的装置由两个锥形反射表面形成。 这些表面被定向成在基底中形成一个vee凹槽并涂覆有一个有源半导体器件。
    • 9. 发明授权
    • Micromechanical modulator
    • 微机械调制器
    • US5654819A
    • 1997-08-05
    • US478590
    • 1995-06-07
    • Keith Wayne GoossenJames Albert Walker
    • Keith Wayne GoossenJames Albert Walker
    • G02B26/00G02B26/02
    • G02B26/02G02B26/001
    • A method and apparatus for modulating an optical signal, and a method for fabricating such an apparatus, are disclosed. The modulator comprises a membrane, which consists of at least three layers, and a substrate, spaced to form an air gap. The layers of the membrane are characterized by a relationship between the refractive indices of the layers and the refractive index of the substrate. The membrane is suspended in a first position over the substrate by a flexible support arrangement. A biasing force is applied to the membrane and the substrate to create an electrostatic force to move the membrane towards the substrate to a second position. The reflectivity of the device to an optical signal changes as the membrane moves from the first position to the second position, thereby modulating the signal.
    • 公开了一种用于调制光信号的方法和装置及其制造方法。 调制器包括由至少三层组成的膜和间隔开以形成气隙的衬底。 膜的层的特征在于层的折射率和基板的折射率之间的关系。 膜通过柔性支撑装置悬挂在衬底上的第一位置。 偏压力施加到膜和基底上以产生静电力,以将膜朝向衬底移动到第二位置。 当膜从第一位置移动到第二位置时,器件对光学信号的反射率改变,从而调制信号。