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    • 1. 发明申请
    • LIGHT EMITTING AND LASING SEMICONDUCTOR DEVICES AND METHODS
    • 发光和激光半导体器件和方法
    • WO2009051664A3
    • 2009-08-13
    • PCT/US2008011653
    • 2008-10-10
    • UNIV ILLINOISHOLONYAK NICK JRFENG MILTONWALTER GABRIELJAMES ADAM
    • HOLONYAK NICK JRFENG MILTONWALTER GABRIELJAMES ADAM
    • H01L33/00H01S3/0941
    • H01S5/06203H01S5/3095
    • A two terminal semiconductor device for producing light emission in response to electrical signals, includes: a terminal-less semiconductor base region disposed between a semiconductor emitter region and a semiconductor collector region having a tunnel junction adjacent the base region; the base region having a region therein exhibiting quantum size effects; an emitter terminal and a collector terminal respectively coupled with the emitter region and the collector region; whereby application of the electrical signals with respect to the emitter and collector terminals, causes light emission from the base region. Application of the electrical signals is operative to reverse bias the tunnel junction. Holes generated at the tunnel junction recombine in the base region with electrons flowing into the base region, resulting in the light emission. The region exhibiting quantum size effects is operative to aid recombination.
    • 一种用于响应于电信号产生发光的二端半导体器件,包括:设置在半导体发射极区域和具有邻近基极区域的隧道结的半导体集电极区域之间的无端半导体基极区域; 所述基区具有其中显示量子尺寸效应的区域; 分别与发射极区域和集电极区域耦合的发射极端子和集电极端子; 由此使得相对于发射极和集电极端子的电信号的施加导致来自基极区域的光发射。 电信号的应用可用于反向偏置隧道结。 在隧道结处产生的孔在基极区域中与电子流入基极区域,导致发光。 显示量子尺寸效应的区域有助于重组。
    • 4. 发明申请
    • SEMICONDUCTOR BIPOLAR LIGHT EMITTING AND LASER DEVICES AND METHODS
    • 半导体双极发光器件和激光器件和方法
    • WO2006093883A2
    • 2006-09-08
    • PCT/US2006006879
    • 2006-02-27
    • UNIV ILLINOISFENG MILTONHOLONYAK NICK JRCHAN RICHARDWALTER GABRIEL
    • FENG MILTONHOLONYAK NICK JRCHAN RICHARDWALTER GABRIEL
    • H01S5/06203B82Y20/00H01S5/06226H01S5/18341H01S5/305H01S5/3095H01S5/3211H01S5/3412H01S5/34313H01S5/4031
    • A method for producing an optical output includes the following steps: providing first and second electrical signals; providing a bipolar light-emitting transistor device that includes collector, base, and emitter regions; providing a collector electrode coupled with the collector region and an emitter electrode coupled with the emitter region, and coupling electrical potentials with respect to the collector and emitter electrodes; providing an optical coupling in optical communication with the base region; providing first and second base electrodes coupled with the base region; and coupling the first and second electrical signals with the first and second base electrodes, respectively, to produce an optical output emitted from the base region and coupled into the optical coupling, the optical output being a function of the first and second electrical signals. Also disclosed in an improved pnp transistor laser and a technique for switching back and forth between a stimulated emission mode that produces output laser pulses and a spontaneous emission mode.
    • 一种用于产生光输出的方法包括以下步骤:提供第一和第二电信号; 提供包括集电极区,基极区和发射极区的双极型发光晶体管器件; 提供与集电极区域耦合的集电极电极和与发射极区域耦合的发射极电极,并且相对于集电极电极和发射极电极耦合电势; 提供与所述基极区域光通信的光耦合; 提供与基极区耦合的第一和第二基极; 以及分别将所述第一和第二电信号与所述第一和第二基极耦合以产生从所述基极区发射并且耦合到所述光耦合中的光输出,所述光输出是所述第一和第二电信号的函数。 还公开了改进的pnp晶体管激光器和用于在产生输出激光脉冲的受激发射模式和自发发射模式之间来回切换的技术。
    • 8. 发明申请
    • HIGH CYCLE MEMS DEVICE
    • 高周期MEMS器件
    • WO03034457A3
    • 2003-10-16
    • PCT/US0231088
    • 2002-10-01
    • UNIV ILLINOIS
    • FENG MILTONHOLONYAK NICK JRBECHER DAVIDSHEN SHYH-CHIANGCHAN RICHARD
    • H01H59/00H01H57/00
    • H01H59/0009H01H2001/0084H01H2059/0072
    • A high life cycle and low voltage MEMS device. In an aspect of the invention, separate support posts (26) are disposed to prevent a suspended switch pad (12) from touching the actuation pad (16) while permitting the switch pad (12) to ground a signal line (10). In another aspect of the invention, cantilevered support beams (14) are made from a thicker material than the switching pad (12). Increased thickness material in the cantilever (14) tends to keep the switch flat in its resting position. Features of preferred embodiments include dimples in the switch pad to facilitate contact with a signal line (10) and serpentine cantilevers (14) arranged symmetrically to support the switch pad (12).
    • 高寿命周期和低电压MEMS器件。 在本发明的一个方面,设置分开的支撑柱(26)以防止悬挂的开关垫(12)在允许开关垫(12)将信号线(10)接地的同时接触致动垫(16)。 在本发明的另一方面,悬臂支撑梁(14)由比切换垫(12)更厚的材料制成。 悬臂(14)中增加的厚度材料倾向于将开关保持在其静止位置。 优选实施例的特征包括开关板中的凹坑,以便于与信号线(10)和对称布置以支撑开关垫(12)的蛇形悬臂(14)的接触。