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    • 1. 发明授权
    • Image sensor device and manufacturing method thereof
    • 图像传感器装置及其制造方法
    • US07608473B2
    • 2009-10-27
    • US11099058
    • 2005-04-05
    • Anchor Chen
    • Anchor Chen
    • H01L21/00
    • H01L27/14625H01L27/14623H01L27/14627H01L27/14643
    • An image sensor and a manufacturing method thereof are provided. The image sensor includes a plurality of sensors, an inter-layer dielectric layer formed over the sensors, a first inter-metal dielectric layer formed over the inter-layer dielectric layer, and a plurality of first via walls formed in the first inter-metal dielectric layer, wherein each of the first via walls is formed around each of the sensors. In addition, the image sensor further includes a second inter-metal dielectric layer formed over the first inter-metal dielectric layer and a plurality of second via walls formed in the second inter-metal dielectric layer, wherein each of the second via walls is formed around each of the sensors. Therefore, the light leakage between different pixels and the problem of crosstalk are solved, and the spatial resolution and the photo sensitivity of the image sensor are enhanced.
    • 提供了图像传感器及其制造方法。 图像传感器包括多个传感器,形成在传感器上的层间电介质层,形成在层间电介质层之上的第一金属间介电层和形成在第一金属间的多个第一通孔 电介质层,其中每个所述第一通孔壁围绕每个所述传感器形成。 此外,图像传感器还包括形成在第一金属间介电层上的第二金属间介电层和形成在第二金属间介电层中的多个第二通孔,其中形成有第二通孔壁 围绕每个传感器。 因此,解决了不同像素之间的漏光和串扰问题,提高了图像传感器的空间分辨率和光敏度。
    • 2. 发明申请
    • Fabrication of self-aligned bipolar transistor
    • 自对准双极晶体管的制造
    • US20050040470A1
    • 2005-02-24
    • US10951377
    • 2004-09-28
    • Shu-Ya ChuangJing-Horng GauAnchor Chen
    • Shu-Ya ChuangJing-Horng GauAnchor Chen
    • H01L21/331H01L21/00H01L21/84H01L29/76H01L29/94H01L31/062H01L31/113H01L31/119
    • H01L29/66242H01L29/66318
    • A method for fabricating a self-aligned bipolar transistor, wherein a substrate having an epitaxial layer formed thereon as a base is provided. After this, a first dielectric layer, a second dielectric layer are sequentially formed on the epitaxial layer, followed by forming an opening in the second dielectric layer. A conductive spacer is formed on the sidewall of the opening. Using the second dielectric layer and the conductive spacer as a mask, a first dielectric layer in the opening is removed. A conductive layer is then formed in the opening as an emitter, followed by completely removing the second dielectric layer. A doping is conducted on the emitter. Using the emitter and the conductive spacer as a mask, a part of the first dielectric layer is removed. Further using the emitter and the conductive spacer as a mask, another doping is conducted to form a part of the epitaxial layer as a base contact region.
    • 一种用于制造自对准双极晶体管的方法,其中提供了其上形成有外延层作为基底的基板。 之后,在外延层上依次形成第一电介质层,第二电介质层,随后在第二电介质层中形成开口。 在开口的侧壁上形成导电间隔物。 使用第二电介质层和导电间隔物作为掩模,去除开口中的第一介电层。 然后在开口中形成导电层作为发射极,然后完全去除第二电介质层。 在发射极上进行掺杂。 使用发射极和导电间隔物作为掩模,去除第一介电层的一部分。 进一步使用发射极和导电间隔物作为掩模,进行另一掺杂以形成作为基极接触区域的外延层的一部分。
    • 3. 发明申请
    • Variable capactor structure and method of manufacture
    • 可变式压盖机结构及制造方法
    • US20050017322A1
    • 2005-01-27
    • US10921457
    • 2004-08-18
    • Jing-Horng GauAnchor Chen
    • Jing-Horng GauAnchor Chen
    • H01L27/08H01L29/00H01L21/00
    • H01L27/0808
    • A variable capacitor comprising a substrate having a first type ion-doped buried layer, a first type ion-doped well, a second type ion-doped region and a conductive layer thereon. The first type ion-doped well is formed within the substrate. The first type ion-doped well has a cavity. The first type ion-doped buried layer is in the substrate underneath the first type ion-doped well. The first type ion-doped buried layer and the first type ion-doped well are connected. The second type ion-doped region is at the bottom of the cavity of the first type ion-doped well. The conductive layer is above and in connection with the first type ion-doped buried layer.
    • 一种可变电容器,包括具有第一类型离子掺杂掩埋层,第一类型离子掺杂阱,第二类型离子掺杂区和其上的导电层的衬底。 在衬底内形成第一种类型的离子掺杂阱。 第一种类型的离子掺杂阱具有空腔。 第一类离子掺杂掩埋层位于第一类离子掺杂阱下的衬底中。 连接第一种离子掺杂掩埋层和第一种离子掺杂阱。 第二类离子掺杂区位于第一类型离子掺杂阱的空腔的底部。 导电层位于第一类型的离子掺杂掩埋层之上并与之连接。
    • 5. 发明授权
    • Photo sensor in a photo diode on a semiconductor wafer
    • 半导体晶片上的光电二极管中的光电传感器
    • US06566722B1
    • 2003-05-20
    • US10064256
    • 2002-06-26
    • Liang-Hua LinAnchor Chen
    • Liang-Hua LinAnchor Chen
    • H01L2982
    • H01L31/03529H01L27/14632H01L27/14643H01L27/14687H01L31/103Y02E10/50
    • A method of forming a photo sensor in a photo diode is provided. The photo diode is formed in a semiconductor wafer. The semiconductor wafer includes a substrate with a first conductive type, and an insulating layer surrounding the photo sensor. A first ion implantation process, utilizing dopants with a second conductive type, is performed to form a plurality of first doped regions in the surface of the photo sensor. A second ion implantation process, utilizing dopants with the second conductive type, is performed to form a second doped region in the surface of the photo sensor. The second doped region is overlapped with a portion of each of the first doped regions.
    • 提供了一种在光电二极管中形成光电传感器的方法。 光电二极管形成在半导体晶片中。 半导体晶片包括具有第一导电类型的衬底和围绕光电传感器的绝缘层。 执行利用具有第二导电类型的掺杂剂的第一离子注入工艺,以在光传感器的表面中形成多个第一掺杂区域。 执行利用具有第二导电类型的掺杂剂的第二离子注入工艺,以在光传感器的表面中形成第二掺杂区域。 第二掺杂区域与每个第一掺杂区域的一部分重叠。
    • 7. 发明授权
    • High-capacitance dynamic random access memory cell having a storage
capacitor on a continuous irregular surface
    • 具有在连续不规则表面上的存储电容器的高电容动态随机存取存储单元
    • US5936273A
    • 1999-08-10
    • US899788
    • 1997-07-24
    • Anchor Chen
    • Anchor Chen
    • H01L21/8242H01L27/108H01L29/78H01L29/92
    • H01L27/10852H01L27/10808
    • A semiconductor structure for a DRAM cell having a high capacitance capacitor. The DRAM cell includes a silicon substrate on which a field oxide layer and a transistor having a gate layer and a source/drain region are formed. A contact surface is formed on a surface of the source/drain region. A silicon nitride layer is formed over the gate layer. A thick oxide layer is formed over one part of the silicon nitride layer, at a lateral side of the contact surface. Silicon nitride spacers are formed over opposite lateral sides of the gate layer, the silicon nitride layer, and the thick oxide layer. One of the silicon nitride spacers located adjacent to the contact surface, is shaped in the form of a pointed protrusion. A self-aligned contact insulating layer covers the thick oxide layer and the other silicon nitride spacer, that is located away from the contact surface. This structure defines a jagged surface over at least the contact surface, the pointed protrusion and the silicon nitride layer. A high surface area capacitor structure, including a first conductive layer, a dielectric layer over the first conductive layer, and a second conductive layer over the dielectric layer, is then formed over the jagged surface.
    • 一种具有高电容电容器的DRAM单元的半导体结构。 DRAM单元包括其上形成有场氧化物层和具有栅极层和源极/漏极区的晶体管的硅衬底。 在源极/漏极区域的表面上形成接触表面。 在栅极层上形成氮化硅层。 在接触表面的侧面,在氮化硅层的一部分上形成厚的氧化物层。 氮化硅间隔物形成在栅极层,氮化硅层和厚氧化物层的相对侧面上。 位于与接触表面相邻的氮化硅间隔物中的一个被成形为尖突起的形式。 自对准接触绝缘层覆盖远离接触表面的厚氧化物层和另一个氮化硅间隔物。 该结构限定至少在接触表面,尖突起和氮化硅层上的锯齿状表面。 然后在锯齿状表面上形成包括第一导电层,第一导电层上的电介质层和介电层上的第二导电层的高表面积电容器结构。
    • 10. 发明授权
    • Method for manufacturing a cylindrical capacitor
    • 圆柱形电容器的制造方法
    • US06235576B1
    • 2001-05-22
    • US09241522
    • 1999-02-01
    • Gary HongAnchor Chen
    • Gary HongAnchor Chen
    • H01L2120
    • H01L28/92H01L21/76895H01L27/10852
    • A method for manufacturing a cylindrical capacitor on a substrate includes the steps of providing a semiconductor substrate having a first conductive layer thereon, and then forming an insulation layer over the first conductive layer. The insulation layer can be a silicon nitride layer. The insulation layer is patterned to leave a portion of the patterned insulation layer above the node contact region. Thereafter, spacers are formed on the sidewalls of the patterned insulation layer such that the spacers are formed from a material that differs from the insulation layer and the first conductive layer. Next, an etching operation is conducted using the patterned insulation layer and the spacers as a mask to remove a portion of the first conductive layer. After that, the patterned insulation layer is removed. Then, a second etching operation is carried out using the spacers as a mask so that some more material from the upper portion of the first conductive layer is removed. Ultimately, a cylindrical shape structure that serves as the lower electrode of a capacitor is formed. Finally, the spacers are removed, and then a dielectric layer and a second conductive layer are sequentially formed over the cylindrical lower electrode to complete the fabrication of a cylindrical capacitor.
    • 一种用于在基板上制造圆柱形电容器的方法包括以下步骤:在其上提供具有第一导电层的半导体衬底,然后在第一导电层上形成绝缘层。 绝缘层可以是氮化硅层。 将绝缘层图案化以将图案化绝缘层的一部分留在节点接触区域上方。 此后,在图案化绝缘层的侧壁上形成间隔物,使得间隔物由与绝缘层和第一导电层不同的材料形成。 接下来,使用图案化绝缘层和间隔物作为掩模进行蚀刻操作以去除第一导电层的一部分。 之后,去除图案化绝缘层。 然后,使用间隔物作为掩模进行第二蚀刻操作,从而去除来自第一导电层的上部的一些更多的材料。 最终,形成用作电容器的下电极的圆柱形结构。 最后,去除间隔物,然后在圆柱形下电极上依次形成电介质层和第二导电层,以完成圆柱形电容器的制造。