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    • 6. 发明授权
    • Three dimensional microelectrode system for dielectrophoresis
    • 用于介电电泳的三维微电极系统
    • US08524064B2
    • 2013-09-03
    • US12843269
    • 2010-07-26
    • Dietrich A. DehlingerKlint A. RoseMaxim ShusteffChristopher G. BaileyRaymond P. Mariella, Jr.
    • Dietrich A. DehlingerKlint A. RoseMaxim ShusteffChristopher G. BaileyRaymond P. Mariella, Jr.
    • G01N27/26G01N27/453B03C5/02B01D57/02
    • B03C5/005B01L2400/0424B03C5/026G01N27/447
    • A dielectrophoresis apparatus for separating particles from a sample, including an apparatus body; a dielectrophoresis channel in the apparatus body, the dielectrophoresis channel having a central axis, a bottom, a top, a first side, and a second side; a first mesa projecting into the dielectrophoresis channel from the bottom and extending from the first side across the dielectrophoresis channel to the second side, the first mesa extending at an angle to the central axis of the dielectrophoresis channel; a first electrode extending along the first mesa; a second mesa projecting into the dielectrophoresis channel from the bottom and extending from the first side across the dielectrophoresis channel to the second side, the second mesa extending at an angle to the central axis of the dielectrophoresis channel; a space between at least one of the first electrode and the second side or the second electrode and the second side; and a gap between the first electrode and the second electrode.
    • 一种用于从样品中分离颗粒的介电电泳装置,包括装置体; 所述设备主体中的介电电泳通道,所述介电电泳通道具有中心轴线,底部,顶部,第一侧面和第二侧面; 第一台面从底部突出到介电电泳通道中并且从第一侧穿过介电电泳通道延伸到第二侧,第一台面以与介电电泳通道的中心轴线成一定角度延伸; 沿第一台面延伸的第一电极; 第二台面从底部突出到介电电泳通道中,并从第一侧穿过介电电泳通道延伸到第二侧,第二台面以与介电电泳通道的中心轴成一定角度延伸; 第一电极和第二电极和第二电极和第二侧中的至少一个之间的空间; 以及第一电极和第二电极之间的间隙。
    • 8. 发明授权
    • Waveguide detection of right-angle-scattered light in flow cytometry
    • 流式细胞术中直角散射光的波导检测
    • US6154276A
    • 2000-11-28
    • US27764
    • 1998-02-23
    • Raymond P. Mariella, Jr.
    • Raymond P. Mariella, Jr.
    • G01N15/14G01N21/00
    • G01N15/1436
    • A transparent flow cell is used as an index-guided optical waveguide. A detector for the flow cell but not the liquid stream detects the Right-Angle-Scattered (RAS) Light exiting from one end of the flow cell. The detector(s) could view the trapped RAS light from the flow cell either directly or through intermediate optical light guides. If the light exits one end of the flow cell, then the other end of the flow cell can be given a high-reflectivity coating to approximately double the amount of light collected. This system is more robust in its alignment than the traditional flow cytometry systems which use imaging optics, such as microscope objectives.
    • 使用透明流通池作为折射引导光波导。 用于流动池而不是液体流的检测器检测从流动池的一端排出的直角散射(RAS)光。 检测器可以直接或通过中间光学光导来观察来自流动池的被捕获的RAS光。 如果光离开流动池的一端,则流动池的另一端可以被给予高反射率涂层,使其收集的光量大约增加一倍。 该系统在比对比使用成像光学器件的传统流式细胞仪系统如显微镜目标更加坚固。
    • 9. 发明授权
    • Infrared-sensitive photocathode
    • 红外敏感光电阴极
    • US5404026A
    • 1995-04-04
    • US004766
    • 1993-01-14
    • Raymond P. Mariella, Jr.Gregory A. Cooper
    • Raymond P. Mariella, Jr.Gregory A. Cooper
    • H01J1/34H01L29/161H01L29/205
    • H01J1/34H01J2201/3423
    • A single-crystal, multi-layer device incorporating an IR absorbing layer that is compositionally different from the Ga.sub.x Al.sub.1-x Sb layer which acts as the electron emitter. Many different IR absorbing layers can be envisioned for use in this embodiment, limited only by the ability to grow quality material on a chosen substrate. A non-exclusive list of possible IR absorbing layers would include GaSb, InAs and InAs/Ga.sub.w In.sub.y Al.sub.1-y-w Sb superlattices. The absorption of the IR photon excites an electron into the conduction band of the IR absorber. An externally applied electric field then transports electrons from the conduction band of the absorber into the conduction band of the Ga.sub.x Al.sub.1-x Sb, from which they are ejected into vacuum. Because the band alignments of Ga.sub.x Al.sub.1-x Sb can be made the same as that of GaAs, emitting efficiencies comparable to GaAs photocathodes are obtainable. The present invention provides a photocathode that is responsive to wavelengths within the range of 0.9 .mu.m to at least 10 .mu.m.
    • 结合了IR吸收层的单晶多层器件,该吸收层在组成上不同于充当电子发射体的GaxAl1-xSb层。 可以设想许多不同的IR吸收层用于该实施方案中,这仅限于在所选择的基底上生长优质材料的能力。 可能的IR吸收层的非排他性列表将包括GaSb,InAs和InAs / GawInyAl1-y-wSb超晶格。 IR光子的吸收激发电子进入IR吸收体的导带。 外部施加的电场然后将电子从吸收器的导带传输到GaxAl1-xSb的导带,从它们被喷射到真空中。 因为GaxAl1-xSb的带对准可以与GaAs相同,所以可获得与GaAs光电阴极相当的发射效率。 本发明提供一种响应波长在0.9μm至至少10μm之间的光电阴极。