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    • 1. 发明授权
    • Integrated narrow bandpass filter array and a method for fabrication thereof
    • 集成窄带通滤波器阵列及其制造方法
    • US07907340B2
    • 2011-03-15
    • US11924640
    • 2007-10-26
    • Shaowei WangWei LuXiaoshuang ChenNing LiBo ZhangZhifeng LiPingping Chen
    • Shaowei WangWei LuXiaoshuang ChenNing LiBo ZhangZhifeng LiPingping Chen
    • G02B1/10
    • G02B5/28
    • Taught herein is an integragted narrow bandpass filter array and a method of its fabrication. The filter array is a Fabry-Perot type of filter array, wherein the pass band changes with the thickness of the spacer layer. The integrated filter array comprises a substrate, a lower mirror stack, a spacer array, and an upper mirror stack. The spacer array is an array of varied thicknesses formed using a combinatorial deposition technique. The spacer array is used to control the pass band of each mini-size narrow bandpass filter and realizes the integration of narrow bandpass filters with different pass bands on a single substrate. The merit of this technique lies in its fabrication efficiency and finished product rate which are much higher than for conventional methods. The filter array is completely matched with detector arrays and functional in most of the important optical ranges.
    • 这里介绍的是一个集成窄带通滤波器阵列及其制造方法。 滤波器阵列是法布里 - 珀罗型的滤波器阵列,其中通带随间隔层的厚度而变化。 集成滤波器阵列包括衬底,下反射镜叠层,间隔物阵列和上反射镜叠层。 间隔物阵列是使用组合沉积技术形成的各种厚度的阵列。 间隔阵列用于控制每个小尺寸窄带通滤波器的通带,实现了单个衬底上具有不同通带的窄带通滤波器的集成。 这种技术的优点在于其制造效率和成品率都远高于传统方法。 滤波器阵列与检测器阵列完全匹配,并且在大多数重要的光学范围中起作用。
    • 10. 发明授权
    • Minimum energy point tracking buck converter
    • 最小能量点跟踪降压转换器
    • US08866462B2
    • 2014-10-21
    • US13637230
    • 2011-02-28
    • Ping LuoShaowei ZhenXiang GengYe ZhangYajuan HeBo Zhang
    • Ping LuoShaowei ZhenXiang GengYe ZhangYajuan HeBo Zhang
    • H02M3/157H02M3/158H02M1/00
    • H02M3/157H02M3/158H02M2001/0025
    • This invention involves with a low power IC (Integrated Circuit) with high energy efficiency. This invention describes a Buck converter that can track the minimum energy point of the load. It works by estimating input energy of every sensing period, taking advantage of energy consumption curve of IC in sub-threshold. Energy estimation is implemented with counting conducted pulses, while maintaining constant input energy of each pulse by regulating output voltage and ON time with digital control circuit. With digital control circuit, minimum energy point can be tracked with a lookup table stored inside. Most of this invention's control circuit is digital, with benefits of low power consumption and small chip area.
    • 本发明涉及具有高能量效率的低功率IC(集成电路)。 本发明描述了可以跟踪负载的最小能量点的降压转换器。 通过估计每个感测周期的输入能量,利用IC的能量消耗曲线在次阈值中起作用。 通过计数传导脉冲实现能量估计,同时通过使用数字控制电路调节输出电压和导通时间来保持每个脉冲的恒定输入能量。 使用数字控制电路,可以使用存储在其中的查找表来跟踪最小能量点。 本发明的大多数控制电路是数字式的,具有低功耗和小芯片面积的优点。