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    • 3. 发明申请
    • METHOD OF FORMING ISOLATION STRUCTURE OF SEMICONDUCTOR DEVICE
    • 形成半导体器件隔离结构的方法
    • US20100197109A1
    • 2010-08-05
    • US12639035
    • 2009-12-16
    • YONG-SIK JEONGJEONG-UK HANWEON-HO PARKBYUNG-SUP SHIM
    • YONG-SIK JEONGJEONG-UK HANWEON-HO PARKBYUNG-SUP SHIM
    • H01L21/762H01L29/06
    • H01L21/76229
    • Provided is a method of forming an isolation structure of a semiconductor device capable of minimizing the number of performing a patterning process and having trenches of various depths. The method includes partially etching the semiconductor substrate using a first patterning process to form first trenches and second trenches having a first depth. The semiconductor substrate has first to third regions. The first trenches are formed in the first region, and the second trenched are formed in the second region. The semiconductor substrate is partially etched using a second patterning process, so that third trenches are formed in the third region, and fourth trenches are formed in the second region. The fourth trenches extend from bottoms of the second trenches. The third trenches have a second depth, and the fourth trenches have a third depth. An isolation layer filling the first to fourth trenches is formed.
    • 提供了一种形成半导体器件的隔离结构的方法,该半导体器件能够最小化执行图案化处理的次数并具有各种深度的沟槽。 该方法包括使用第一图案化工艺部分蚀刻半导体衬底以形成具有第一深度的第一沟槽和第二沟槽。 半导体衬底具有第一至第三区域。 第一沟槽形成在第一区域中,第二沟槽形成在第二区域中。 使用第二图案化工艺部分地蚀刻半导体衬底,使得第三沟槽形成在第三区域中,并且第四沟槽形成在第二区域中。 第四个沟槽从第二个沟槽的底部延伸。 第三沟槽具有第二深度,第四沟槽具有第三深度。 形成了填充第一至第四沟槽的隔离层。
    • 4. 发明授权
    • Method of forming isolation structure of semiconductor device
    • 形成半导体器件隔离结构的方法
    • US08318583B2
    • 2012-11-27
    • US12639035
    • 2009-12-16
    • Yong-Sik JeongJeong-Uk HanWeon-Ho ParkByung-Sup Shim
    • Yong-Sik JeongJeong-Uk HanWeon-Ho ParkByung-Sup Shim
    • H01L21/76
    • H01L21/76229
    • Provided is a method of forming an isolation structure of a semiconductor device capable of minimizing the number of performing a patterning process and having trenches of various depths. The method includes partially etching the semiconductor substrate using a first patterning process to form first trenches and second trenches having a first depth. The semiconductor substrate has first to third regions. The first trenches are formed in the first region, and the second trenched are formed in the second region. The semiconductor substrate is partially etched using a second patterning process, so that third trenches are formed in the third region, and fourth trenches are formed in the second region. The fourth trenches extend from bottoms of the second trenches. The third trenches have a second depth, and the fourth trenches have a third depth. An isolation layer filling the first to fourth trenches is formed.
    • 提供了一种形成半导体器件的隔离结构的方法,该半导体器件能够最小化执行图案化处理的次数并具有各种深度的沟槽。 该方法包括使用第一图案化工艺部分蚀刻半导体衬底以形成具有第一深度的第一沟槽和第二沟槽。 半导体衬底具有第一至第三区域。 第一沟槽形成在第一区域中,第二沟槽形成在第二区域中。 使用第二图案化工艺部分地蚀刻半导体衬底,使得第三沟槽形成在第三区域中,并且第四沟槽形成在第二区域中。 第四个沟槽从第二个沟槽的底部延伸。 第三沟槽具有第二深度,第四沟槽具有第三深度。 形成了填充第一至第四沟槽的隔离层。
    • 8. 发明申请
    • Open drain input/output structure and manufacturing method thereof in semiconductor device
    • 半导体器件中的开漏输入/输出结构及其制造方法
    • US20050124119A1
    • 2005-06-09
    • US11039970
    • 2005-01-20
    • Byung-Sup ShimYoung-Ho Kim
    • Byung-Sup ShimYoung-Ho Kim
    • H01L27/102H01L21/8234H01L27/088H01L29/10H01L29/78
    • H01L29/7835H01L29/1045
    • The present invention relates to an open drain input/output structure and manufacturing method thereof in which a n-channel depletion transistor for pull-up resistance can be used like an enhancement transistor without impurity ion implantation process when being formed an open drain input/output terminal. An open drain input/output structure in a semiconductor device according to the present invention includes: a gate formed with an enhancement transistor at a predetermined portion on a first conductive-type semiconductor substrate which is formed with a gate insulating layer; a second conductive-type source/drain region formed in the semiconductor substrate at the both sides of the gate; and a second conductive-type impurity implantation region formed at a predetermined portion of a channel region at the lower part of the gate so as to selectively connected to the source region or the drain region. Therefore, according to the present invention, because the gate length of a n-channel depletion transistor is designed to have longer than conventional ones' so as to changed a depletion transistor into an enhancement transistor there is no necessary an impurity ion implantation process after gate forming process when an open drain I/O is achieved. Therefore, all a pull-up resistance I/O and an open drain I/O of a mask ROM embedded MCU, EPROM embedded MCU can be achieved with the same lay out structure thereby to be compatible when being manufactured MCU.
    • 本发明涉及一种开漏输入/输出结构及其制造方法,其中当形成开漏输入/输出时,可以使用上拉电阻的n沟道耗尽晶体管,像无杂质离子注入工艺的增强型晶体管 终奌站。 根据本发明的半导体器件中的开漏输入/输出结构包括:在第一导电型半导体衬底上的预定部分形成有形成有栅极绝缘层的增强晶体管的栅极; 形成在栅极两侧的半导体衬底中的第二导电型源/漏区; 以及形成在栅极的下部的沟道区的预定部分处以选择性地连接到源极区或漏极区的第二导电型杂质注入区。 因此,根据本发明,由于n沟道耗尽晶体管的栅极长度被设计成比常规栅极长,因此将耗尽晶体管改变为增强晶体管,栅极之后不需要杂质离子注入工艺 当达到开漏I / O时,形成工艺。 因此,所有上拉电阻I / O和掩模ROM嵌入式MCU的开漏I / O,EPROM嵌入式MCU都可以通过相同的布局结构实现,从而在制造MCU时兼容。