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    • 81. 发明申请
    • Method for manufacturing single-sided buried strap in semiconductor devices
    • 在半导体器件中制造单面埋入带的方法
    • US20050164446A1
    • 2005-07-28
    • US10940761
    • 2004-09-15
    • Shian-Jyh LinChia-Sheng Yu
    • Shian-Jyh LinChia-Sheng Yu
    • H01L21/306H01L21/768H01L21/8234H01L21/8242H01L21/8244
    • H01L27/10867
    • A method for manufacturing a single-ended buried strap used in semiconductor devices is disclosed. According to the present invention, a trench capacitor structure is formed in a semiconductor substrate, wherein the trench capacitor structure has a contact surface lower than a surface of the semiconductor substrate such that a recess is formed. Then, an insulative layer is formed on a sidewall of the recess. Next, impurities are implanted into a portion of the insulative layer, and the impurity-containing insulative layer is thereafter removed such that at least a portion of the contact surface and a portion of sidewall of the recess are exposed. A buried strap is sequentially formed on the exposed sidewall of the recess to be in contact with the exposed contact surface.
    • 公开了一种制造半导体器件中使用的单端掩埋带的方法。 根据本发明,在半导体衬底中形成沟槽电容器结构,其中沟槽电容器结构具有比半导体衬底的表面低的接触表面,从而形成凹部。 然后,在凹部的侧壁上形成绝缘层。 接下来,将杂质注入到绝缘层的一部分中,然后去除含杂质的绝缘层,使得接触表面的至少一部分和凹部的侧壁的一部分露出。 在凹部的暴露的侧壁上依次形成埋设的带子,以与暴露的接触表面接触。
    • 85. 发明授权
    • Deep trench device with single sided connecting structure and fabrication method thereof
    • 具有单面连接结构的深沟槽装置及其制造方法
    • US07923325B2
    • 2011-04-12
    • US12573076
    • 2009-10-02
    • Shian-Jyh LinChien-Li Cheng
    • Shian-Jyh LinChien-Li Cheng
    • H01L21/8242
    • H01L29/945H01L27/10823H01L27/10867H01L29/66181
    • A deep trench device with a single sided connecting structure. The device comprises a substrate having a trench therein. A buried trench capacitor is disposed in a lower portion of the trench. An asymmetric collar insulator is disposed on an upper portion of the sidewall of the trench. A connecting structure is disposed in the upper portion of the trench, comprising an epitaxial silicon layer disposed on and adjacent to a relatively low portion of the asymmetric collar insulator and a connecting member disposed between the epitaxial silicon layer and a relatively high portion of the asymmetric collar insulator. A conductive layer is disposed between the relatively high and low portions of the asymmetric collar insulator, to electrically connect the buried trench capacitor and the connecting structure. A cap layer is disposed on the connecting structure. A fabrication method for a deep trench device is also disclosed.
    • 具有单面连接结构的深沟槽装置。 该装置包括其中具有沟槽的衬底。 埋沟槽电容器设置在沟槽的下部。 不对称环形绝缘体设置在沟槽的侧壁的上部。 连接结构设置在沟槽的上部,包括设置在不对称环形绝缘体的相对较低部分上并与其相邻的外延硅层,以及设置在外延硅层和不对称的较高部分之间的连接构件 项圈绝缘子。 导电层设置在不对称环形绝缘体的相对较高和较低的部分之间,以电连接埋入沟槽电容器和连接结构。 盖层设置在连接结构上。 还公开了一种深沟槽器件的制造方法。
    • 86. 发明申请
    • DEEP TRENCH DEVICE WITH SINGLE SIDED CONNECTING STRUCTURE AND FABRICATION METHOD THEREOF
    • 具有单面连接结构的深度加固装置及其制造方法
    • US20100022065A1
    • 2010-01-28
    • US12573076
    • 2009-10-02
    • Shian-Jyh LinChien-LI Cheng
    • Shian-Jyh LinChien-LI Cheng
    • H01L21/02
    • H01L29/945H01L27/10823H01L27/10867H01L29/66181
    • A deep trench device with a single sided connecting structure. The device comprises a substrate having a trench therein. A buried trench capacitor is disposed in a lower portion of the trench. An asymmetric collar insulator is disposed on an upper portion of the sidewall of the trench. A connecting structure is disposed in the upper portion of the trench, comprising an epitaxial silicon layer disposed on and adjacent to a relatively low portion of the asymmetric collar insulator and a connecting member disposed between the epitaxial silicon layer and a relatively high portion of the asymmetric collar insulator. A conductive layer is disposed between the relatively high and low portions of the asymmetric collar insulator, to electrically connect the buried trench capacitor and the connecting structure. A cap layer is disposed on the connecting structure. A fabrication method for a deep trench device is also disclosed.
    • 具有单面连接结构的深沟槽装置。 该装置包括其中具有沟槽的衬底。 埋沟槽电容器设置在沟槽的下部。 不对称环形绝缘体设置在沟槽的侧壁的上部。 连接结构设置在沟槽的上部,包括设置在不对称环形绝缘体的相对较低部分上并与其相邻的外延硅层,以及设置在外延硅层和不对称的较高部分之间的连接构件 项圈绝缘子。 导电层设置在不对称环形绝缘体的相对较高和较低的部分之间,以电连接埋入沟槽电容器和连接结构。 盖层设置在连接结构上。 还公开了一种深沟槽器件的制造方法。