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11. 发明申请

US20130316512A1 SEMICONDUCTOR WIRE-ARRAY VARACTOR STRUCTURES 审中-公开
标题翻译：半导体线阵列变阻器结构
公开(公告)号：US20130316512A1
公开(公告)日：2013-11-28
申请号：US13495148
申请日：2012-06-13
申请人： Oki Gunawan , Amlan Majumdar , Katherine L. Saenger
发明人： Oki Gunawan , Amlan Majumdar , Katherine L. Saenger
IPC分类号： H01L49/02
CPC分类号： H01L28/40 , H01L27/0203 , H01L27/0808 , H01L29/93
摘要： Semiconductor variable capacitor (varactor) devices are provided, which are formed with an array of radial p-n junction structures to provide improved dynamic range and sensitivity. For example, a semiconductor varactor device includes a doped semiconductor substrate having first and second opposing surfaces and an array of pillar structures formed on the first surface of the doped semiconductor substrate. Each pillar structure includes a radial p-n junction structure. A first metallic contact layer is conformally formed over the array of pillar structures on the first surface of the doped semiconductor substrate. A second metallic contact layer formed on the second surface of the doped semiconductor substrate. An insulating layer is formed on the doped semiconductor substrate surrounding the array of pillar structures.
摘要翻译：提供半导体可变电容器（变容二极管）器件，其形成有径向p-n结结构的阵列，以提供改善的动态范围和灵敏度。例如，半导体变容二极管器件包括具有第一和第二相对表面的掺杂半导体衬底和形成在掺杂半导体衬底的第一表面上的柱结构阵列。每个柱结构包括径向p-n结结构。第一金属接触层在掺杂半导体衬底的第一表面上的柱结构阵列上共形地形成。形成在掺杂半导体衬底的第二表面上的第二金属接触层。在包围柱结构阵列的掺杂半导体衬底上形成绝缘层。

12. 发明授权

US08551558B2 Techniques for enhancing efficiency of photovoltaic devices using high-aspect-ratio nanostructures 有权
公开(公告)号：US08551558B2
公开(公告)日：2013-10-08
申请号：US12039953
申请日：2008-02-29
申请人： Supratik Guha , Oki Gunawan
发明人： Supratik Guha , Oki Gunawan
IPC分类号： B05D5/12 , C23C16/00 , H01L21/00
CPC分类号： H01L31/07 , H01L31/022425 , H01L31/02327 , H01L31/0256 , H01L31/03529 , H01L31/18 , Y02E10/50
摘要： Photovoltaic devices and techniques for enhancing efficiency thereof are provided. In one aspect, a photovoltaic device is provided. The photovoltaic device comprises a photocell having a photoactive layer and a non-photoactive layer adjacent to the photoactive layer so as to form a heterojunction between the photoactive layer and the non-photoactive layer; and a plurality of high-aspect-ratio nanostructures on one or more surfaces of the photoactive layer. The plurality of high-aspect-ratio nanostructures are configured to act as a scattering media for incident light. The plurality of high-aspect-ratio nanostructures can also be configured to create an optical resonance effect in the incident light.

13. 发明授权

US09651354B2 Calibration free distance sensor 有权
公开(公告)号：US09651354B2
公开(公告)日：2017-05-16
申请号：US13568619
申请日：2012-08-07
申请人： Oki Gunawan
发明人： Oki Gunawan
IPC分类号： G01B7/14 , G01R33/00 , G01B7/02
CPC分类号： G01B7/14 , G01B7/023 , G01R33/0035
摘要： One or more embodiments are directed to a magnet configured to be coupled to an object under test, an array of sensors configured to measure a magnetic field associated with the magnet, and a circuit configured to obtain voltage readings based on the measured magnetic field from the array of sensors and compute a distance between the array of sensors and the magnet based on the obtained voltage readings.

14. 发明申请

US20130346003A1 NON-CONTACT SHEET CONDUCTIVITY MEASUREMENTS IMPLEMENTING A ROTATING MAGNETIC BRAKING SYSTEM 审中-公开
标题翻译：非接触片电磁测量实现旋转磁制动系统
公开(公告)号：US20130346003A1
公开(公告)日：2013-12-26
申请号：US13533187
申请日：2012-06-26
申请人： Oki Gunawan
发明人： Oki Gunawan
IPC分类号： G01N27/02 , G06F19/00
CPC分类号： G01B7/087 , G01B7/023 , G01R27/00
摘要： A method for calculating sheet conductivity with an absolute working distance measurement includes selecting a motor frequency fM for a motor having a first magnet disposed on a shaft, tuning a motor voltage VM for the motor, measuring a no-load power of the motor, inserting a material adjacent the first magnet, tuning the motor frequency to fM, measuring the on-load power of the motor, measuring the absolute working distance and calculating the sheet conductivity of the material.
摘要翻译：一种绝对工作距离测量用于计算片材导电率的方法包括：选择具有设置在轴上的第一磁体的电动机的电动机频率fM，调整电动机的电动机电压VM，测量电动机的空载功率，插入与第一磁体相邻的材料，将电机频率调谐到fM，测量电机的负载功率，测量绝对工作距离并计算材料的片材电导率。

15. 发明授权

US08592675B2 Photovoltaic devices with enhanced efficiencies using high-aspect-ratio nanostructures 有权
标题翻译：使用高纵横比纳米结构提高效率的光伏器件
公开(公告)号：US08592675B2
公开(公告)日：2013-11-26
申请号：US12039900
申请日：2008-02-29
申请人： Supratik Guha , Oki Gunawan
发明人： Supratik Guha , Oki Gunawan
IPC分类号： H01L31/0236
CPC分类号： H01L31/035227 , H01L31/022425 , H01L31/03529 , H01L31/07 , H01L31/18 , Y02E10/50
摘要： Photovoltaic devices and techniques for enhancing efficiency thereof are provided. In one aspect, a photovoltaic device is provided. The photovoltaic device comprises a photocell having a first photoactive layer and a second photoactive layer adjacent to the first photoactive layer so as to form a heterojunction between the first photoactive layer and the second photoactive layer; and a plurality of high-aspect-ratio nanostructures on one or more surfaces of the second photoactive layer. The plurality of high-aspect-ratio nanostructures are configured to act as a scattering media for incident light. The plurality of high-aspect-ratio nanostructures can also be configured to create an optical resonance effect in the incident light.
摘要翻译：提供了用于提高效率的光伏器件和技术。一方面，提供一种光电器件。光电器件包括具有第一光活性层的光电池和与第一光活性层相邻的第二光活性层，以在第一光活性层和第二光活性层之间形成异质结; 以及在所述第二光敏层的一个或多个表面上的多个高纵横比纳米结构。多个高纵横比纳米结构被配置为用作入射光的散射介质。多个高纵横比纳米结构也可以被配置为在入射光中产生光学共振效应。

16. 发明申请

US20120222730A1 TANDEM SOLAR CELL WITH IMPROVED ABSORPTION MATERIAL 审中-公开
标题翻译：具有改进吸收材料的TANDEM太阳能电池
公开(公告)号：US20120222730A1
公开(公告)日：2012-09-06
申请号：US13037798
申请日：2011-03-01
申请人： Oki Gunawan , Jeehwan Kim , David B. Mitzi , Devendra K. Sadana , Teodor K. Todorov
发明人： Oki Gunawan , Jeehwan Kim , David B. Mitzi , Devendra K. Sadana , Teodor K. Todorov
IPC分类号： H01L31/06 , H01L31/18
CPC分类号： H01L31/0326 , C23C14/34 , C25D7/12 , H01L31/076 , H01L31/078 , H01L31/18 , H01L31/20 , Y02E10/548
摘要： A photosensitive device and method includes a top cell having an N-type layer, a P-type layer and a top intrinsic layer therebetween. A bottom cell includes an N-type layer, a P-type layer and a bottom intrinsic layer therebetween. The bottom intrinsic layer includes a Cu—Zn—Sn containing chalcogenide.
摘要翻译：感光装置和方法包括具有N型层的顶层单元，P型层和其间的顶层本征层。底部单元包括N型层，P型层和底层本征层。底部本征层包括含有Cu-Zn-Sn的硫族化物。

17. 发明申请

US20120196401A1 Nano/Microwire Solar Cell Fabricated by Nano/Microsphere Lithography 有权
标题翻译：纳米/微丝太阳能电池由纳米/微球光刻制成
公开(公告)号：US20120196401A1
公开(公告)日：2012-08-02
申请号：US13445101
申请日：2012-04-12
申请人： William Graham , Supratik Guha , Oki Gunawan , George S. Tulevski , Kejia Wang , Ying Zhang
发明人： William Graham , Supratik Guha , Oki Gunawan , George S. Tulevski , Kejia Wang , Ying Zhang
IPC分类号： H01L31/18
CPC分类号： H01L31/035227 , Y10S977/813 , Y10S977/827
摘要： Techniques for fabricating nanowire/microwire-based solar cells are provided. In one, a method for fabricating a solar cell is provided. The method includes the following steps. A doped substrate is provided. A monolayer of spheres is deposited onto the substrate. The spheres include nanospheres, microspheres or a combination thereof. The spheres are trimmed to introduce space between individual spheres in the monolayer. The trimmed spheres are used as a mask to pattern wires in the substrate. The wires include nanowires, microwires or a combination thereof. A doped emitter layer is formed on the patterned wires. A top contact electrode is deposited over the emitter layer. A bottom contact electrode is deposited on a side of the substrate opposite the wires.
摘要翻译：提供了制造纳米线/微丝基太阳能电池的技术。其中，提供了太阳能电池的制造方法。该方法包括以下步骤。提供掺杂的衬底。单层球体沉积在基材上。球体包括纳米球，微球或其组合。球体被修剪以在单层中的单个球体之间引入空间。修剪的球体用作掩模以在基底中图案线。电线包括纳米线，微丝或其组合。在图案化的导线上形成掺杂的发射极层。顶部接触电极沉积在发射极层上。底部接触电极沉积在与电线相对的基板的一侧上。

18. 发明申请

US20100218815A1 HOLEY ELECTRODE GRIDS FOR PHOTOVOLTAIC CELLS WITH SUBWAVELENGTH AND SUPERWAVELENGTH FEATURE SIZES 有权
标题翻译：用于具有亚水深和超高温特征尺寸的光伏电池的HOLEY电极网
公开(公告)号：US20100218815A1
公开(公告)日：2010-09-02
申请号：US12621226
申请日：2009-11-18
申请人： Supratik Guha , Oki Gunawan
发明人： Supratik Guha , Oki Gunawan
IPC分类号： H01L31/00 , H01L31/18
CPC分类号： H01L31/022433 , Y02E10/50
摘要： A photovoltaic cell and a method of forming an electrode grid on a photovoltaic semiconductor substrate of a photovoltaic cell are disclosed. In one embodiment, the photovoltaic cell comprises a photovoltaic semiconductor substrate; a back electrode electrically connected to a back surface of the substrate; and a front electrode electrically connected to a front surface of the substrate. The substrate, back electrode, and front electrode form an electric circuit for generating an electric current when said substrate absorbs light. The front electrode is comprised of a metal grid defining a multitude of holes. These holes may be periodic, aperiodic, or partially periodic. The front electrode may be formed by depositing nanospheres on the substrate; forming a metallic layer on the substrate, around the nanospheres; and removing the nanospheres, leaving an electrode grid defining a multitude of holes on the substrate.
摘要翻译：公开了一种光伏电池和在光伏电池的光电半导体衬底上形成电极栅格的方法。在一个实施例中，光伏电池包括光伏半导体衬底; 电连接到所述基板的背面的背面电极; 以及电连接到所述基板的前表面的前电极。当基板吸收光时，基板，背面电极和正面电极形成用于产生电流的电路。前电极由限定多个孔的金属网格组成。这些孔可以是周期性的，非周期性的或部分周期性的。前电极可以通过在衬底上沉积纳米球而形成; 在纳米球周围在基底上形成金属层; 并去除纳米球，留下在基底上限定多个孔的电极网格。

19. 发明申请

US20090217971A1 Photovoltaic Devices with Enhanced Efficiencies Using High-Aspect-Ratio Nanostructures 有权
标题翻译：使用高纵横比纳米结构提高效率的光伏器件
公开(公告)号：US20090217971A1
公开(公告)日：2009-09-03
申请号：US12039900
申请日：2008-02-29
申请人： Supratik Guha , Oki Gunawan
发明人： Supratik Guha , Oki Gunawan
IPC分类号： H01L31/072 , H01L31/0256 , H01L31/18
CPC分类号： H01L31/035227 , H01L31/022425 , H01L31/03529 , H01L31/07 , H01L31/18 , Y02E10/50
摘要： Photovoltaic devices and techniques for enhancing efficiency thereof are provided. In one aspect, a photovoltaic device is provided. The photovoltaic device comprises a photocell having a first photoactive layer and a second photoactive layer adjacent to the first photoactive layer so as to form a heterojunction between the first photoactive layer and the second photoactive layer; and a plurality of high-aspect-ratio nanostructures on one or more surfaces of the second photoactive layer. The plurality of high-aspect-ratio nanostructures are configured to act as a scattering media for incident light. The plurality of high-aspect-ratio nanostructures can also be configured to create an optical resonance effect in the incident light.
摘要翻译：提供了用于提高效率的光伏器件和技术。一方面，提供一种光电器件。光电器件包括具有第一光活性层的光电池和与第一光活性层相邻的第二光活性层，以在第一光活性层和第二光活性层之间形成异质结; 以及在所述第二光敏层的一个或多个表面上的多个高纵横比纳米结构。多个高纵横比纳米结构被配置为用作入射光的散射介质。多个高纵横比纳米结构也可以被配置为在入射光中产生光学共振效应。

20. 发明授权

US08753912B2 Nano/microwire solar cell fabricated by nano/microsphere lithography 有权
标题翻译：通过纳米/微球光刻制造的纳米/微丝太阳能电池
公开(公告)号：US08753912B2
公开(公告)日：2014-06-17
申请号：US13445101
申请日：2012-04-12
申请人： William Graham , Supratik Guha , Oki Gunawan , George S. Tulevski , Kejia Wang , Ying Zhang
发明人： William Graham , Supratik Guha , Oki Gunawan , George S. Tulevski , Kejia Wang , Ying Zhang
IPC分类号： H01L31/0352
CPC分类号： H01L31/035227 , Y10S977/813 , Y10S977/827
摘要： Techniques for fabricating nanowire/microwire-based solar cells are provided. In one, a method for fabricating a solar cell is provided. The method includes the following steps. A doped substrate is provided. A monolayer of spheres is deposited onto the substrate. The spheres include nanospheres, microspheres or a combination thereof. The spheres are trimmed to introduce space between individual spheres in the monolayer. The trimmed spheres are used as a mask to pattern wires in the substrate. The wires include nanowires, microwires or a combination thereof. A doped emitter layer is formed on the patterned wires. A top contact electrode is deposited over the emitter layer. A bottom contact electrode is deposited on a side of the substrate opposite the wires.
摘要翻译：提供了制造纳米线/微丝基太阳能电池的技术。其中，提供了太阳能电池的制造方法。该方法包括以下步骤。提供掺杂的衬底。单层球体沉积在基材上。球体包括纳米球，微球或其组合。球体被修剪以在单层中的单个球体之间引入空间。修剪的球体用作掩模以在基底中图案线。电线包括纳米线，微丝或其组合。在图案化的导线上形成掺杂的发射极层。顶部接触电极沉积在发射极层上。底部接触电极沉积在与电线相对的基板的一侧上。

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