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    • 1. 发明申请
    • Transistor Having Coupling-Preventing Electrode Layer, Fabricating Method Thereof, and Image Sensor Having the Same
    • 具有耦合防止电极层的晶体管,其制造方法和具有相同的图像传感器
    • US20080191250A1
    • 2008-08-14
    • US11962401
    • 2007-12-21
    • Kang-Bok LeeJong-Cheol Shin
    • Kang-Bok LeeJong-Cheol Shin
    • H01L27/146H01L29/78H01L21/336
    • H01L27/14689H01L27/14609H01L27/14643H01L29/78
    • A transistor having an electrode layer that can reduce or prevent a coupling effect, a fabricating method thereof, and an image sensor having the same are provided. The transistor includes a semiconductor substrate and a well of a first conductivity type formed on the semiconductor substrate. A heavily-doped first impurity region of a first conductivity type surrounds an active region defined in the well. Heavily-doped second and third impurity regions of a second conductivity type are spaced apart from each other in the active region an define a channel region interposed therebetween. A gate is formed over the channel region to cross the active region. The gate overlaps at least a portion of the first impurity region and receives a first voltage. An electrode layer is formed between the semiconductor substrate and the gate, such that the electrode layer overlaps a portion of the first impurity region contacting the channel region and receives a second voltage. An insulation layer is formed between the semiconductor substrate and the electrode layer, the semiconductor substrate and the gate, and the electrode layer and the gate. The insulation layer surrounds the electrode layer.
    • 提供具有可以减少或防止耦合效应的电极层的晶体管,其制造方法和具有该电极层的图像传感器。 晶体管包括形成在半导体衬底上的半导体衬底和第一导电类型的阱。 第一导电类型的重掺杂的第一杂质区围绕阱中限定的有源区。 第二导电类型的重掺杂的第二和第三杂质区域在有源区域中彼此间隔开,限定插入其间的沟道区域。 栅极形成在沟道区域上以穿过有源区。 栅极与第一杂质区域的至少一部分重叠并接收第一电压。 在半导体衬底和栅极之间形成电极层,使得电极层与接触沟道区的第一杂质区的一部分重叠并接收第二电压。 在半导体衬底和电极层,半导体衬底和栅极以及电极层和栅极之间形成绝缘层。 绝缘层包围电极层。
    • 2. 发明授权
    • Image sensor device with insulation film
    • 具有绝缘膜的图像传感器装置
    • US5334867A
    • 1994-08-02
    • US59330
    • 1993-05-11
    • Jong-cheol ShinHeung-kwun Oh
    • Jong-cheol ShinHeung-kwun Oh
    • H01L21/28H01L21/339H01L27/148H01L29/51H01L27/14
    • H01L29/513H01L21/28202H01L27/148H01L29/518H01L29/66954Y10S148/114Y10S257/90
    • A charge-coupled device (CCD) is provides having improved charge transfer efficiency. This CCD is a portion of an image sensor and manufactured by first laminating a first oxidation film and a first nitride film one after the other on a semiconductor substrate and then forming a plurality of first gate electrodes on the first nitride film at predetermined intervals apart. A second oxidation film is formed only on an upper surface and along side walls of each of the first gate electrodes. The first nitride film exposed between the first gate electrodes is removed and a second nitride film is formed on the exposed first oxidation film and the second oxidation film. A second gate electrode is then formed on the second nitride film between adjacent first gate electrodes. An image sensor is obtained in which leakage current density between the gate electrodes is reduced and the dielectric characteristic of a gate dielectric film is improved.
    • 电荷耦合器件(CCD)具有改进的电荷转移效率。 该CCD是图像传感器的一部分,其通过首先在半导体衬底上层叠第一氧化膜和第一氮化物膜,然后以预定间隔分开在第一氮化物膜上形成多个第一栅极。 仅在每个第一栅电极的上表面和侧壁上形成第二氧化膜。 去除在第一栅电极之间露出的第一氮化物膜,并且在暴露的第一氧化膜和第二氧化膜上形成第二氮化物膜。 然后在相邻的第一栅电极之间的第二氮化物膜上形成第二栅电极。 获得图像传感器,其中栅电极之间的漏电流密度降低,并且栅介质膜的介电特性得到改善。
    • 6. 发明申请
    • IMAGE SENSOR AND METHOD OF FABRICATING THE SAME
    • 图像传感器及其制作方法
    • US20120077301A1
    • 2012-03-29
    • US13239457
    • 2011-09-22
    • Yu-Jin AhnDuck-Hyung LeeJong-Cheol ShinChang-Rok MoonSang-Jun ChoiEun-Kyung Park
    • Yu-Jin AhnDuck-Hyung LeeJong-Cheol ShinChang-Rok MoonSang-Jun ChoiEun-Kyung Park
    • H01L31/18
    • H01L27/14689H01L27/14609H01L27/1463
    • An image sensor and a method for fabricating the image sensor are provided. The method for fabricating the image sensor includes forming a first insulating layer on a semiconductor epitaxial layer having multiple pixel regions; patterning a portion of the semiconductor epitaxial layer and the first insulating layer in a boundary region between the pixel regions to form a trench; forming a buried insulating layer on the first insulating layer, filling the trench, the buried insulating layer having a planar top surface; forming a second insulating layer on the buried insulating layer; forming a first mask pattern on the second insulating layer, the first mask pattern defining an opening overlapping the trench; and performing an ion implantation process using the first mask pattern as an ion implantation mask to form a first type potential barrier region in a bottom of the trench.
    • 提供了一种用于制造图像传感器的图像传感器和方法。 制造图像传感器的方法包括在具有多个像素区域的半导体外延层上形成第一绝缘层; 在像素区域之间的边界区域中构图半导体外延层和第一绝缘层的一部分以形成沟槽; 在所述第一绝缘层上形成掩埋绝缘层,填充所述沟槽,所述掩埋绝缘层具有平坦的顶表面; 在所述掩埋绝缘层上形成第二绝缘层; 在所述第二绝缘层上形成第一掩模图案,所述第一掩模图案限定与所述沟槽重叠的开口; 以及使用所述第一掩模图案作为离子注入掩模进行离子注入处理,以在所述沟槽的底部形成第一类型的势垒区域。
    • 7. 发明授权
    • Image sensors for reducing dark current and methods of fabricating the same
    • 用于减少暗电流的图像传感器及其制造方法
    • US07517714B2
    • 2009-04-14
    • US11839015
    • 2007-08-15
    • Chan ParkJong-cheol Shin
    • Chan ParkJong-cheol Shin
    • H01L21/00
    • H01L27/14609H01L27/14603H01L27/14683H01L27/14689H01L31/035281
    • An image sensor includes a semiconductor substrate of a first conductivity type, a photodiode of a second conductivity type located in the substrate, a hole accumulated device (HAD) region of the first conductivity type located over the photodiode, a thin surface diffusion region formed on the surface of the HAD region, and a transfer gate located over the surface of the substrate adjacent the HAD region. The image sensor further includes a first channel region of the first conductivity type located in the substrate and aligned below the transfer gate, a second channel region of the second conductivity type located in the substrate between said transfer gate and the first channel region, and an floating diffusion region which is located in the substrate and which electrically contacts the second channel region.
    • 图像传感器包括第一导电类型的半导体衬底,位于衬底中的第二导电类型的光电二极管,位于光电二极管上方的第一导电类型的空穴累积装置(HAD)区域,形成在 HAD区域的表面,以及位于邻近于HAD区域的衬底表面上的传输门。 图像传感器还包括第一导电类型的第一沟道区域,位于衬底中并对准传输栅极下方,第二导电类型的第二沟道区位于衬底之间,位于所述传输门和第一沟道区之间, 浮动扩散区,其位于衬底中并与第二沟道区电接触。
    • 9. 发明申请
    • IMAGE SENSORS FOR REDUCING DARK CURRENT AND METHODS OF FABRICATING THE SAME
    • 用于减少深色电流的图像传感器及其制作方法
    • US20080081393A1
    • 2008-04-03
    • US11839015
    • 2007-08-15
    • Chan PARKJong-cheol SHIN
    • Chan PARKJong-cheol SHIN
    • H01L31/18
    • H01L27/14609H01L27/14603H01L27/14683H01L27/14689H01L31/035281
    • An image sensor includes a semiconductor substrate of a first conductivity type, a photodiode of a second conductivity type located in the substrate, a hole accumulated device (HAD) region of the first conductivity type located over the photodiode, a thin surface diffusion region formed on the surface of the HAD region, and a transfer gate located over the surface of the substrate adjacent the HAD region. The image sensor further includes a first channel region of the first conductivity type located in the substrate and aligned below the transfer gate, a second channel region of the second conductivity type located in the substrate between said transfer gate and the first channel region, and an floating diffusion region which is located in the substrate and which electrically contacts the second channel region.
    • 图像传感器包括第一导电类型的半导体衬底,位于衬底中的第二导电类型的光电二极管,位于光电二极管上方的第一导电类型的空穴累积装置(HAD)区域,形成在 HAD区域的表面,以及位于邻近于HAD区域的衬底表面上的传输门。 图像传感器还包括第一导电类型的第一沟道区域,位于衬底中并对准传输栅极下方,第二导电类型的第二沟道区位于衬底之间,位于所述传输门和第一沟道区之间, 浮动扩散区,其位于衬底中并与第二沟道区电接触。