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    • 4. 发明申请
    • METHOD OF FORMING A RECESS CHANNEL TRENCH PATTERN, AND FABRICATING A RECESS CHANNEL TRANSISTOR
    • 形成记忆通道图案的方法和制作记录道信道
    • US20090206399A1
    • 2009-08-20
    • US12430831
    • 2009-04-27
    • Jong-Chul PARKYong-Sun KOTae-Hyuk AHN
    • Jong-Chul PARKYong-Sun KOTae-Hyuk AHN
    • H01L29/78
    • H01L29/66621H01L21/28123H01L21/823412H01L21/823437H01L27/10808H01L27/10876
    • A method of forming a recess channel trench pattern for forming a recess channel transistor is provided. A mask layer is formed on a semiconductor substrate, which is then patterned to expose an active region and a portion of an adjacent device isolating layer with an isolated hole type pattern. Using this mask layer the semiconductor substrate and the device isolating layer portion are selectively and anisotropically etched, thereby forming a recess channel trench with an isolated hole type pattern. The mask layer may be patterned to be a curved line type. In this case, the once linear portion is curved to allow the device isolating layer portion exposed by the patterned mask layer to be spaced apart from an adjacent active region. The semiconductor substrate and the device isolating layer portion are then etched, thereby forming a recess channel trench with a curved line type pattern.
    • 提供一种形成用于形成凹槽通道晶体管的凹槽沟槽图案的方法。 掩模层形成在半导体衬底上,然后将其图案化以暴露具有隔离孔型图案的有源区和相邻器件隔离层的一部分。 使用该掩模层,半导体衬底和器件隔离层部分被选择性地和各向异性地蚀刻,从而形成具有隔离孔型图案的凹槽沟槽。 掩模层可以被图案化为曲线型。 在这种情况下,一次线性部分是弯曲的,以允许由图案化掩模层露出的器件隔离层部分与相邻的有源区域间隔开。 然后蚀刻半导体衬底和器件隔离层部分,从而形成具有曲线型图案的凹槽沟槽。
    • 5. 发明申请
    • METHOD OF FORMING A RECESS CHANNEL TRENCH PATTERN, AND FABRICATING A RECESS CHANNEL TRANSISTOR
    • 形成记忆通道图案的方法和制作记录道信道
    • US20070148884A1
    • 2007-06-28
    • US11682632
    • 2007-03-06
    • Jong-Chul PARKYong-Sun KOTae-Hyuk AHN
    • Jong-Chul PARKYong-Sun KOTae-Hyuk AHN
    • H01L21/336
    • H01L29/66621H01L21/28123H01L21/823412H01L21/823437H01L27/10808H01L27/10876
    • A method of forming a recess channel trench pattern for forming a recess channel transistor is provided. A mask layer is formed on a semiconductor substrate, which is then patterned to expose an active region and a portion of an adjacent device isolating layer with an isolated hole type pattern. Using this mask layer the semiconductor substrate and the device isolating layer portion are selectively and anisotropically etched, thereby forming a recess channel trench with an isolated hole type pattern. The mask layer may be patterned to be a curved line type. In this case, the once linear portion is curved to allow the device isolating layer portion exposed by the patterned mask layer to be spaced apart from an adjacent active region. The semiconductor substrate and the device isolating layer portion are then etched, thereby forming a recess channel trench with a curved line type pattern.
    • 提供一种形成用于形成凹槽通道晶体管的凹槽沟槽图案的方法。 掩模层形成在半导体衬底上,然后将其图案化以暴露具有隔离孔型图案的有源区和相邻器件隔离层的一部分。 使用该掩模层,半导体衬底和器件隔离层部分被选择性地和各向异性地蚀刻,从而形成具有隔离孔型图案的凹槽沟槽。 掩模层可以被图案化为曲线型。 在这种情况下,一次线性部分是弯曲的,以允许由图案化掩模层露出的器件隔离层部分与相邻的有源区域间隔开。 然后蚀刻半导体衬底和器件隔离层部分,从而形成具有曲线型图案的凹槽沟槽。
    • 6. 发明申请
    • LOCAL INTERCONNECTION METHOD AND STRUCTURE FOR USE IN SEMICONDUCTOR DEVICE
    • 局部互连方法和结构用于半导体器件
    • US20070141834A1
    • 2007-06-21
    • US11679722
    • 2007-02-27
    • Sung-Un KWONYong-Sun KO
    • Sung-Un KWONYong-Sun KO
    • H01L21/4763
    • H01L21/76831H01L21/76807H01L21/76808H01L21/76895
    • A local interconnection wiring structure method for forming the same reduces the likelihood of a short between a local interconnection layer of gate electrodes and an active region by forming a common aperture so as to have a determined aperture between the local interconnection layer and the active region on an insulation film of a semiconductor substrate. Methods of forming the local interconnection wire can include forming a first etching mask pattern that has a size longer than a length between inner ends of adjacent gate electrodes formed on a semiconductor substrate and covered with an insulation film. The etching mask simultaneously has a length the same as or shorter than the length between outer ends of the gate electrodes. The insulation film exposed in the first etching mask pattern is subsequently etched so that the insulation film remains higher than a highest height of the gate electrodes, so as to form a recess pattern. The first etching mask pattern is then removed and a second etching mask pattern is formed so as to partially expose the insulation film provided within the recess pattern. The insulation film within the recess pattern is etched to form apertures for exposing a partial surface of the gate electrodes. The second etching mask pattern is then removed. The recess pattern and the apertures are then filled with conductive material to form a local interconnection layer for connecting between the gate electrodes.
    • 用于形成其的局部互连配线结构方法通过形成公共孔径来减小栅电极的局部互连层与有源区之间的短路的可能性,以便在局部互连层和有源区之间具有确定的孔径 半导体衬底的绝缘膜。 形成局部互连线的方法可以包括形成第一蚀刻掩模图案,其具有比形成在半导体衬底上并被绝缘膜覆盖的相邻栅电极的内端之间的长度的长度。 蚀刻掩模同时具有与栅电极的外端之间的长度相同或更短的长度。 随后蚀刻在第一蚀刻掩模图案中暴露的绝缘膜,使得绝缘膜保持高于栅电极的最高高度,以形成凹陷图案。 然后去除第一蚀刻掩模图案,并且形成第二蚀刻掩模图案,以便部分地暴露设置在凹槽图案内的绝缘膜。 蚀刻凹槽图形内的绝缘膜以形成用于暴露栅电极的局部表面的孔。 然后去除第二蚀刻掩模图案。 然后用导电材料填充凹槽图案和孔,以形成用于连接栅电极的局部互连层。