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    • 3. 发明授权
    • Spatial light modulator with multiple linear arrays
    • 具有多个线性阵列的空间光调制器
    • US08842359B1
    • 2014-09-23
    • US13429091
    • 2012-03-23
    • Alexander PayneJames Hunter
    • Alexander PayneJames Hunter
    • G02B26/08
    • G02B26/0841G02B26/0808
    • A system including spatial light modulators with multiple one-dimensional (1D) diffractor arrays and methods of operating the same are provided. In one embodiment, the system comprises a spatial light modulator (SLM) assembly including a plurality of one-dimensional (1D) diffractor arrays to modulate light from a light source, the plurality of 1D diffractor arrays integrally formed on a die; illumination optics disposed in a light path between the plurality of 1D diffractor arrays and the light source to illuminate a substantially linear portion of at least one of the plurality of 1D diffractor arrays; and imaging optics disposed in a light path between the SLM assembly and an image plane on a target-substrate, the imaging optics adapted to transmit modulated light from the SLM assembly to a substantially linear portion of the image plane. Other embodiments are also provided.
    • 提供了包括具有多个一维(1D)衍射器阵列的空间光调制器及其操作方法的系统。 在一个实施例中,该系统包括空间光调制器(SLM)组件,其包括多个一维(1D)衍射器阵列以调制来自光源的光,所述多个1D衍射阵列一体地形成在管芯上; 设置在所述多个1D衍射器阵列和所述光源之间的光路中的照明光学器件,以照亮所述多个1D衍射器阵列中的至少一个的基本上线性的部分; 以及设置在SLM组件和目标衬底上的图像平面之间的光路中的成像光学器件,所述成像光学器件适于将来自SLM组件的调制光传输到图像平面的基本线性部分。 还提供了其他实施例。
    • 5. 发明授权
    • Reduced surface charging in silicon-based devices
    • US06660552B2
    • 2003-12-09
    • US10100627
    • 2002-03-14
    • Alexander PayneChristopher GudemanJames HunterMichael BrunerClinton Carroll
    • Alexander PayneChristopher GudemanJames HunterMichael BrunerClinton Carroll
    • H01L2100
    • G02B26/0808B81B7/0012
    • A grating light valve with reduced surface charging is disclosed. Surface charging is measured by the propensity an insulating surface to accept and transport a charge. The grating light valve of the instant invention has a plurality of spaced and movable ribbons formed from Si3N4 coupled to a substrate structure formed of SiO2. A portion of the ribbons are moved to alternate between conditions for constructive and destructive interference with an incident light source having a wavelength &lgr; by applying the appropriate switching voltages across the portion of ribbons and the substrate structure. When charging occurs on surfaces of the grating light valve, the switching voltages required to operate the grating light valve are shifted and diminishing the performance of the grating light valve. By drying silicon-based surfaces of the grating light valve and exposing the silicon-based surfaces of the grating light valve to a Nitrogen-rich pacify gas environment, the surfaces of the grating light valve exhibit reduced charging and consistent response to applied bias voltages. In the drying step, residual water or moisture is removed from the surfaces by elevating the temperature of the grating light valve structure in a vacuum environment. Preferably, the drying is carried at temperatures of 250 degrees Celsius or greater and at vacuum pressures of 10−6 Torr or less. After the surface of the grating light valve are dried, the surfaces are exposed to the Nitrogen-rich pacifying gas environment at ambient temperature. Presumably, the Nitrogen-rich pacify gas environment blankets the silicon-based surfaces of the grating light valve with adsorbed, physisorbed, or chemi-adsorbed Nitrogen and thus reduces the propensity of those surfaces to accept water or moisture, which is believed to facilitate the charging. After the surfaces of the grating light valve are treated according to the current invention, charging of the surface remains low and stable even for several days in open air conditions.
    • 6. 发明授权
    • Microelectromechanical system megasonic transducer
    • 微机电系统兆声传感器
    • US08957564B1
    • 2015-02-17
    • US13172514
    • 2011-06-29
    • Toshio HiroeZarem HaroldAlexander PayneJames Hunter
    • Toshio HiroeZarem HaroldAlexander PayneJames Hunter
    • H02N2/00B08B3/12
    • B08B3/12B06B1/0292
    • Megasonic cleaning systems and methods of fabricating and using the same are provided. In one embodiment, the system comprises a plurality of Micro-Electromechanical System (MEMS) transducers, each transducer including a movable membrane with a membrane electrode coupled to a first potential disposed above and spaced apart from an upper surface of a die including a cavity electrode coupled to a second potential, the membrane including multiple layers including a polysilicon layer between a top silicon nitride layer and a bottom silicon nitride layer, and the membrane electrode includes the polysilicon layer; a chuck on which a target workpiece is positioned; and a fluid to couple sonic energy from the plurality of MEMS transducers to the target workpiece. Other embodiments are also provided.
    • 提供了超声波清洗系统及其制造和使用方法。 在一个实施例中,系统包括多个微机电系统(MEMS)换能器,每个换能器包括具有耦合到第一电位的膜电极的可移动膜,所述膜电极设置在模具的上表面上方并与模具的上表面间隔开,所述模具的上表面包括腔电极 耦合到第二电位,所述膜包括多层,包括顶部氮化硅层和底部氮化硅层之间的多晶硅层,并且所述膜电极包括所述多晶硅层; 目标工件所在的卡盘; 以及将来自多个MEMS换能器的声能耦合到目标工件的流体。 还提供了其他实施例。
    • 10. 发明申请
    • Spatial light modulator with robust mirror substrate condition
    • 空间光调制器,具有鲁棒的镜面基板条件
    • US20050212004A1
    • 2005-09-29
    • US11087230
    • 2005-03-23
    • Alexander PayneJames HunterDavid Amm
    • Alexander PayneJames HunterDavid Amm
    • G02B26/08H01L29/24
    • G02B26/0808
    • A light modulator and a method of manufacturing the same are provided having a substrate with reflectivity enhancing layers formed thereon. The layers include at least a top surface for receiving incident light, a first layer overlying the substrate, and a second layer between the top surface and the first layer, the second layer overlying and abutting the first layer. The second layer has a predetermined thickness selected in relation to an index of refraction of the second layer and to a wavelength of the incident light such that the light reflecting off an interface between the first and second layers constructively interferes with light reflected from the top surface. Preferably, the first layer also has a predetermined thickness selected such that the light reflecting off an interface between the first layer and the substrate constructively interferes with light reflected from the top surface.
    • 提供一种光调制器及其制造方法,具有在其上形成有反射增强层的基板。 这些层至少包括用于接收入射光的顶表面,覆盖衬底的第一层,以及顶表面和第一层之间的第二层,第二层覆盖并邻接第一层。 第二层具有相对于第二层的折射率和入射光的波长选择的预定厚度,使得从第一和第二层之间的界面反射的光建构性地干扰从顶表面反射的光 。 优选地,第一层还具有选择的预定厚度,使得从第一层和衬底之间的界面反射的光构造地干扰从顶表面反射的光。