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    • 1. 发明申请
    • DUAL PHOTO-DIODE CMOS PIXELS
    • 双光二极管CMOS像素
    • WO2009103048A4
    • 2009-10-22
    • PCT/US2009034211
    • 2009-02-16
    • QUANTUM SEMICONDUCTOR LLC
    • AUGUSTO CARLOS
    • H01L27/146
    • H01L27/14689H01L27/14603H01L27/14609H01L27/14647
    • The present invention provides a method of forming CMOS pixels, with the light-sensing region comprising vertically aligned dual photo-diodes, in which the bottom photo-diode is formed either by a well-to-substrate junction, or by a deep-well-to-substrate junction, wherein said well and deep-well are independently biased from surrounding wells and deep-wells of the same polarity. Said independently biased well is a common region to the top and bottom photo-diodes and overlaps the source/drain region of a MOSFET formed on a well with the opposite polarity, that of the substrate. The photo-diodes can be electrically connected in parallel, or the top photo- diode can be biased separately from the bottom photo-diode, said bias can be such that avalanche mode operation is possible, including the single-photon detection (Geiger) mode.
    • 本发明提供了一种形成CMOS像素的方法,其中光敏区包括垂直对准的双光电二极管,其中底部光电二极管由阱到衬底结或深阱形成 其中所述阱和深阱独立地偏离相同极性的周围阱和深阱。 所述独立偏置的阱是顶部和底部光电二极管的共同区域,并且与阱上形成的MOSFET的源极/漏极区域以与衬底的极性相反的极性重叠。 光电二极管可以并联电连接,或者顶部光电二极管可以与底部光电二极管分开偏置,所述偏置可以使得可以进行雪崩模式操作,包括单光子检测(盖格)模式 。
    • 4. 发明申请
    • LIGHT-SENSING DEVICE
    • 感光装置
    • WO2004027879A3
    • 2004-04-29
    • PCT/EP0310346
    • 2003-09-15
    • QUANTUM SEMICONDUCTOR LLCAUGUSTO CARLOS J R P
    • AUGUSTO CARLOS J R P
    • H01L27/02H01L27/144H01L27/146H01L31/00H01L31/0232H01L31/0328H01L31/10H01L31/107
    • H01L27/14669H01L27/14609H01L27/14625H01L27/14643H01L27/14665H01L31/0232H01L31/107H01L31/1075
    • A method of fabricating light-sensing devices including photodiodes monolithically integrated with CMOS devices. Several types of photodiode devices (PIN, HIP) are epitaxially grown in one single step on active areas implanted in a common semiconductor substrate, the active areas having defined polarities. The epitaxially grown layers for the photodiode devices may be either undoped or in-situ doped with profiles suitable for their respective operation. With appropriate choice of substrate materials, device layers and heterojunction engineering and process architecture, it is possible to fabricate silicon­based and germanium-based multi-spectral sensors that can deliver pixel density and cost of fabrication comparable to the state of the art CCDs and CMOS image sensors. The method can be implemented with epitaxially deposited films on the following substrates: Silicon Bulk, Thick-Film and Thin-Film Silicon-On-Insulator (SOI), Germanium Bulk, Thick-Film and Thin-Film Germanium-On-Insulator (GeOI).
    • 一种制造包括与CMOS器件单片集成的光电二极管的光感测装置的方法。 多个类型的光电二极管器件(PIN,HIP)在植入公共半导体衬底的有源区域的一个步骤中外延生长,有源区域具有确定的极性。 用于光电二极管器件的外延生长层可以是未掺杂的或原位掺杂的,适用于它们各自的操作。 通过适当选择衬底材料,器件层和异质结工程和工艺架构,可以制造基于硅和锗的多光谱传感器,可以提供与现有技术的CCD和CMOS图像相当的像素密度和制造成本 传感器。 该方法可以在以下基板上用外延沉积膜实现:硅体积,厚膜和薄膜绝缘体上硅(SOI),锗体积,厚膜和薄膜绝缘体(GeOI )。
    • 8. 发明申请
    • ELECTRICAL DEVICES MAKING USE OF COUNTERDOPED JUNCTIONS
    • 电气设备使用计数器的连接
    • WO2017059146A1
    • 2017-04-06
    • PCT/US2016/054560
    • 2016-09-29
    • QUANTUM SEMICONDUCTOR LLC
    • AUGUSTO, Carlos, Jorge
    • H01L21/04H01L29/15H01L21/265H01L29/737H01L31/00
    • H01L27/14612H01L27/14601H01L27/1461H01L27/14681H01L29/0653H01L29/0821H01L29/1004H01L29/155H01L29/7371H01L31/00
    • An electrical device includes a counterdoped heterojunction selected from a group consisting of a pn junction or a p-i-n junction. The counterdoped junction includes a first semiconductor doped with one or more n-type primary dopant species and a second semiconductor doped with one or more p-type primary dopant species. The device also includes a first counterdoped component selected from a group consisting of the first semiconductor and the second semiconductor. The first counterdoped component is counterdoped with one or more counterdopant species that have a polarity opposite to the polarity of the primary dopant included in the first counterdoped component. Additionally, a level of the n-type primary dopant, p-type primary dopant, and the one or more counterdopant is selected to the counterdoped heterojunction provides amplification by a phonon assisted mechanism and the amplification has an onset voltage less than 1 V.
    • 电气装置包括选自由pn结或p-i-n结组成的组的反掺杂异质结。 反向接合点包括掺杂有一个或多个n型初级掺杂物种的第一半导体和掺杂有一种或多种p型主掺杂物种的第二半导体。 该器件还包括从由第一半导体和第二半导体组成的组中选择的第一反向掺杂元件。 第一反向组分与一个或多个反掺杂物质相反,其具有与包含在第一反掺杂组分中的主要掺杂物的极性相反的极性。 此外,选择n型初级掺杂剂,p型初级掺杂剂和一种或多种反掺杂剂的水平用于反向掺杂的异质结,通过声子辅助机制提供扩增,并且扩增具有小于1V的起始电压。
    • 9. 发明申请
    • DUAL PHOTO-DIODE CMOS PIXELS
    • 双光电二极管CMOS像素
    • WO2009103048A1
    • 2009-08-20
    • PCT/US2009/034211
    • 2009-02-16
    • QUANTUM SEMICONDUCTOR LLC
    • AUGUSTO, Carlos
    • H01L27/146
    • H01L27/14689H01L27/14603H01L27/14609H01L27/14647
    • The present invention provides a method of forming CMOS pixels, with the light-sensing region comprising vertically aligned dual photo-diodes, in which the bottom photo-diode is formed either by a well-to-substrate junction, or by a deep-well-to-substrate junction, wherein said well and deep-well are independently biased from surrounding wells and deep-wells of the same polarity. Said independently biased well is a common region to the top and bottom photo-diodes and overlaps the source/drain region of a MOSFET formed on a well with the opposite polarity, that of the substrate. The photo-diodes can be electrically connected in parallel, or the top photo- diode can be biased separately from the bottom photo-diode, said bias can be such that avalanche mode operation is possible, including the single-photon detection (Geiger) mode.
    • 本发明提供了一种形成CMOS像素的方法,其中光感测区域包括垂直对准的双光电二极管,其中底部光电二极管由阱到衬底结或由深阱形成 其中所述阱和深阱独立地偏置于相同极性的周围阱和深阱。 所述独立偏置井是顶部和底部光电二极管的公共区域,并且与形成在具有相反极性的衬底的阱的MOSFET的源极/漏极区域重叠。 光电二极管可以并联电连接,或者顶部光电二极管可以与底部光电二极管分开偏置,所述偏置可以使得雪崩模式操作是可能的,包括单光子检测(盖革)模式 。
    • 10. 发明申请
    • LIGHT-TUNNELS FOR PIXEL ARRAYS
    • 像素阵列的轻型隧道
    • WO2009030980A2
    • 2009-03-12
    • PCT/IB2007004682
    • 2007-09-06
    • QUANTUM SEMICONDUCTOR LLCAUGUSTO CARLOS J R P
    • AUGUSTO CARLOS J R P
    • G02B6/1225G02B6/08G02B6/12G02B6/4249G02B6/4298G02B6/43G02B2006/12166G02B2006/12176H01L27/14621H01L27/14629H01L27/14636H01L27/14685H01L31/0232
    • Light guiding structures are provided to improve the light coupling between photonic active devices and the top of a metallization layer stack interconnecting these photonic active devices. Each light guiding structure comprises a hole extending between the near surface of the photonic active devices and the top surface of the metallization layer stack, said hole being filled with dielectrics or a combination of dielectrics and metals. Such a light guiding structure removes from the optical path of light rays, the interfaces between the metallization layers, thereby confining light laterally and enabling interconnects with increased thickness and more levels of metal. This results in the suppression of multiple reflections and optical crosstalk. The light guiding structures can have cross-section diagonals with sub-wavelength dimensions can be fabricated after all CMOS process steps, thus having minimal interference and maximal compatibility with CMOS processing.
    • 提供导光结构以改善光子有源器件与互连这些光子有源器件的金属化层堆叠的顶部之间的光耦合。 每个导光结构包括在光子有源器件的近表面和金属化层堆叠的顶表面之间延伸的孔,所述孔填充有电介质或电介质和金属的组合。 这种导光结构从光线的光路,金属化层之间的界面移除,从而横向限制光,并且实现具有增加的厚度和更多的金属水平的互连。 这导致抑制多重反射和光学串扰。 导光结构可以具有横截面对角线,亚波长尺寸可以在所有CMOS工艺步骤之后制造,因此具有最小的干扰和与CMOS处理的最大兼容性。