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    • 1. 发明授权
    • Methods of performing a photolithography process for forming asymmetric patterns and methods of forming a semiconductor device using the same
    • 执行用于形成不对称图案的光刻工艺的方法和使用其形成半导体器件的方法
    • US07550383B2
    • 2009-06-23
    • US11230957
    • 2005-09-20
    • Joon-Soo ParkGi-Sung YeoHan-Ku ChoSang-Gyun WooTae-Young KimByeong-Soo Kim
    • Joon-Soo ParkGi-Sung YeoHan-Ku ChoSang-Gyun WooTae-Young KimByeong-Soo Kim
    • H01L21/44H01L21/00
    • G03F7/2022G03F1/70G03F7/203G03F7/70466G03F7/705
    • There are provided methods of performing a photolithography process for forming asymmetric semiconductor patterns and methods of forming a semiconductor device using the same. These methods provide a way of forming asymmetric semiconductor patterns on a photoresist layer through two exposure processes. To this end, a semiconductor substrate is prepared. A planarized insulating interlayer and a photoresist layer are sequentially formed on the overall surface of the semiconductor substrate. A first semiconductor pattern of a photolithography mask is transferred to the photoresist layer, thereby forming a photoresist pattern on the photoresist layer. A second semiconductor pattern of a second photolithography mask is continuously transferred to the photoresist layer, thereby forming a second photoresist pattern on the photoresist layer. An etching process is performed on the planarized insulating interlayer to expose the semiconductor substrate, using the first photoresist pattern and the second photoresist pattern as etch masks.
    • 提供了用于形成不对称半导体图案的光刻工艺的方法和使用其形成半导体器件的方法。 这些方法提供了通过两个曝光工艺在光致抗蚀剂层上形成不对称半导体图案的方法。 为此,制备半导体衬底。 在半导体基板的整个表面上依次形成平坦化的绝缘中间层和光致抗蚀剂层。 将光刻掩模的第一半导体图案转印到光致抗蚀剂层,从而在光致抗蚀剂层上形成光致抗蚀剂图案。 第二光刻掩模的第二半导体图案被连续转印到光致抗蚀剂层,从而在光致抗蚀剂层上形成第二光致抗蚀剂图案。 在平坦化的绝缘中间层上进行蚀刻处理,以使用第一光致抗蚀剂图案和第二光致抗蚀剂图案作为蚀刻掩模来暴露半导体衬底。
    • 3. 发明授权
    • Semiconductor memory devices including diagonal bit lines
    • 半导体存储器件包括对角位线
    • US08013375B2
    • 2011-09-06
    • US12465234
    • 2009-05-13
    • Duo-Hoon GooHan-Ku ChoJoo-Tac MoonSang-Gyun WooGi-Sung YeoKyoung-Yun Baek
    • Duo-Hoon GooHan-Ku ChoJoo-Tac MoonSang-Gyun WooGi-Sung YeoKyoung-Yun Baek
    • H01L27/108
    • H01L27/10814H01L27/0207H01L27/10882H01L27/11502
    • A semiconductor memory device may include a semiconductor substrate having a plurality of active regions wherein each active region has a length in a direction of a first axis and a width in a direction of a second axis. The length may be greater than the width, and the plurality of active regions may be provided in a plurality of columns in the direction of the second axis. A plurality of wordline pairs may be provided on the substrate, with each wordline pair crossing active regions of a respective column of active regions defining a drain portion of each active region between wordlines of the respective wordline pair. A plurality of bitlines on the substrate may cross the plurality of wordline pairs, with each bitline being electrically coupled to a drain portion of a respective active region of each column, and with each bitline crossing drain portions of active regions of adjacent columns in different directions so that different portions of a same bitline are aligned in different directions on different active regions of adjacent columns.
    • 半导体存储器件可以包括具有多个有源区的半导体衬底,其中每个有源区具有在第一轴的方向上的长度和在第二轴的方向上的宽度。 长度可以大于宽度,并且多个有源区域可以在第二轴线的方向上以多个列设置。 可以在衬底上提供多个字线对,其中每个字线对跨越相应的有效区域列的有源区域,在相应字线对的字线之间限定每个有效区域的漏极部分。 衬底上的多个位线可以跨越多个字线对,每个位线电耦合到每列的相应有源区的漏极部分,并且每个位线在不同方向上与相邻列的有源区域的漏极部分交叉 使得相同位线的不同部分在相邻列的不同有效区域上在不同方向上对准。
    • 5. 发明申请
    • Semiconductor Memory Devices Including Offset Bit Lines
    • 包括偏移位线的半导体存储器件
    • US20090218609A1
    • 2009-09-03
    • US12465202
    • 2009-05-13
    • Doo-Hoon GooHan-Ku ChoJoo-Tae MoonSang-Gyun WooGi-Sung YeoKyoung-Yun Baek
    • Doo-Hoon GooHan-Ku ChoJoo-Tae MoonSang-Gyun WooGi-Sung YeoKyoung-Yun Baek
    • H01L27/108
    • H01L27/10814H01L27/0207H01L27/10882H01L27/11502
    • A semiconductor memory device may include a substrate having a plurality of active regions wherein each active region has a length in a direction of a first axis and a width in a direction of a second axis. The length may be greater than the width, and the plurality of active regions may be provided in a plurality of columns of active regions in the direction of the second axis. A plurality of wordline pairs may be provided on the substrate, with each wordline pair crossing active regions of a respective column of active regions defining a drain portion of each active region between wordlines of the respective wordline pair. A plurality of bitlines on the substrate may cross the plurality of wordline pairs, with each bitline being electrically coupled to a respective drain portion of an active region of each column, and with each bitline being arranged between the respective drain portion and another drain portion of an adjacent active region of the same column.
    • 半导体存储器件可以包括具有多个有源区的衬底,其中每个有源区具有在第一轴的方向上的长度和在第二轴的方向上的宽度。 长度可以大于宽度,并且多个有源区可以在第二轴的方向上设置在多个有效区列中。 可以在衬底上提供多个字线对,其中每个字线对跨越相应的有效区域列的有源区域,在相应字线对的字线之间限定每个有效区域的漏极部分。 衬底上的多个位线可以跨过多个字线对,每个位线电耦合到每个列的有源区的相应漏极部分,并且每个位线布置在相应的漏极部分和另一个漏极部分的另一个漏极部分之间 相同列的相邻有效区域。
    • 8. 发明授权
    • Semiconductor memory devices including offset bit lines
    • 包括偏移位线的半导体存储器件
    • US08013374B2
    • 2011-09-06
    • US12465202
    • 2009-05-13
    • Doo-Hoon GooHan-Ku ChoJoo-Tae MoonSang-Gyun WooGi-Sung YeoKyoung-Yun Baek
    • Doo-Hoon GooHan-Ku ChoJoo-Tae MoonSang-Gyun WooGi-Sung YeoKyoung-Yun Baek
    • H01L27/108
    • H01L27/10814H01L27/0207H01L27/10882H01L27/11502
    • A semiconductor memory device may include a substrate having a plurality of active regions wherein each active region has a length in a direction of a first axis and a width in a direction of a second axis. The length may be greater than the width, and the plurality of active regions may be provided in a plurality of columns of active regions in the direction of the second axis. A plurality of wordline pairs may be provided on the substrate, with each wordline pair crossing active regions of a respective column of active regions defining a drain portion of each active region between wordlines of the respective wordline pair. A plurality of bitlines on the substrate may cross the plurality of wordline pairs, with each bitline being electrically coupled to a respective drain portion of an active region of each column, and with each bitline being arranged between the respective drain portion and another drain portion of an adjacent active region of the same column.
    • 半导体存储器件可以包括具有多个有源区的衬底,其中每个有源区具有在第一轴的方向上的长度和在第二轴的方向上的宽度。 长度可以大于宽度,并且多个有源区可以在第二轴的方向上设置在多个有效区列中。 可以在衬底上提供多个字线对,其中每个字线对跨越相应的有效区域列的有源区域,在相应字线对的字线之间限定每个有效区域的漏极部分。 衬底上的多个位线可以跨过多个字线对,每个位线电耦合到每个列的有源区的相应漏极部分,并且每个位线布置在相应的漏极部分和另一个漏极部分的另一个漏极部分之间 相同列的相邻有效区域。
    • 9. 发明申请
    • Semiconductor Memory Devices Including Diagonal Bit Lines
    • 包括对角位线的半导体存储器件
    • US20090218610A1
    • 2009-09-03
    • US12465234
    • 2009-05-13
    • Don-Hoon GooHan-Ku ChoJoo-Tac MoonSang-Gyun WooGi-Sung YeoKyoung-Yun Baek
    • Don-Hoon GooHan-Ku ChoJoo-Tac MoonSang-Gyun WooGi-Sung YeoKyoung-Yun Baek
    • H01L27/108
    • H01L27/10814H01L27/0207H01L27/10882H01L27/11502
    • A semiconductor memory device may include a semiconductor substrate having a plurality of active regions wherein each active region has a length in a direction of a first axis and a width in a direction of a second axis. The length may be greater than the width, and the plurality of active regions may be provided in a plurality of columns in the direction of the second axis. A plurality of wordline pairs may be provided on the substrate, with each wordline pair crossing active regions of a respective column of active regions defining a drain portion of each active region between wordlines of the respective wordline pair. A plurality of bitlines on the substrate may cross the plurality of wordline pairs, with each bitline being electrically coupled to a drain portion of a respective active region of each column, and with each bitline crossing drain portions of active regions of adjacent columns in different directions so that different portions of a same bitline are aligned in different directions on different active regions of adjacent columns.
    • 半导体存储器件可以包括具有多个有源区的半导体衬底,其中每个有源区具有在第一轴的方向上的长度和在第二轴的方向上的宽度。 长度可以大于宽度,并且多个有源区域可以在第二轴线的方向上以多个列设置。 可以在衬底上提供多个字线对,其中每个字线对跨越相应的有效区域列的有源区域,在相应字线对的字线之间限定每个有效区域的漏极部分。 衬底上的多个位线可以跨越多个字线对,每个位线电耦合到每列的相应有源区的漏极部分,并且每个位线在不同方向上与相邻列的有源区域的漏极部分交叉 使得相同位线的不同部分在相邻列的不同有效区域上在不同方向上对准。