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    • 32. 发明授权
    • Method for manufacturing semiconductor device with contact body extended in direction of bit line
    • 具有沿位线方向延伸的接触体的半导体器件的制造方法
    • US07205241B2
    • 2007-04-17
    • US10731931
    • 2003-12-10
    • Chang-min ParkJung-hyeon LeeHan-ku ChoJoon-soo Park
    • Chang-min ParkJung-hyeon LeeHan-ku ChoJoon-soo Park
    • H01L21/302
    • H01L21/76897H01L21/76895H01L27/10855H01L27/10894H01L28/91Y10S438/942
    • Methods for manufacturing semiconductor devices with contact bodies extended in a direction of a bit line to increase the contact area between a contact body and a storage electrode is provided. In one aspect a method includes forming gate lines on a semiconductor substrate, forming a first insulating layer to cover the gate lines, forming first contact pads and second contact pads, which are electrically connected to the semiconductor substrate between the gate lines, by penetrating the first insulating layer. Further, a second insulating layer is formed to cover the first contact pads and the second contact pads, and bit lines are formed across over the gate lines and are electrically connected to the second contact pads by penetrating the second insulating layer. In addition, a third insulating layer is formed to cover the bit lines and is selectively etched to form a band-type opening that crosses the bit lines and exposes the first contact pads.
    • 提供了制造具有沿位线方向延伸的接触体以增加接触体与存储电极之间的接触面积的半导体器件的方法。 在一个方面,一种方法包括在半导体衬底上形成栅极线,形成第一绝缘层以覆盖栅极线,形成第一接触焊盘和第二接触焊盘,这些接触焊盘和第二接触焊盘通过穿透栅极线与半导体衬底电连接 第一绝缘层。 此外,形成第二绝缘层以覆盖第一接触焊盘和第二接触焊盘,并且位线横跨栅极线形成,并且通过穿透第二绝缘层而电连接到第二接触焊盘。 此外,形成第三绝缘层以覆盖位线,并且被选择性地蚀刻以形成穿过位线并暴露第一接触焊盘的带状开口。
    • 33. 发明授权
    • Mask for correcting optical proximity effect
    • 用于校正光学邻近效应的掩模
    • US06841801B2
    • 2005-01-11
    • US10106289
    • 2002-03-27
    • Byeong-Soo KimHan-ku Cho
    • Byeong-Soo KimHan-ku Cho
    • G03F1/00G03F1/29G03F1/32G03F1/34G03F1/36G03F1/68G03F1/70G03F1/80G03F7/20H01L21/027H01L33/00
    • G03F1/34G03F1/29G03F1/36G03F7/70441
    • A mask corrects for an optical proximity effect (OPE). A dummy pattern having a phase-edge effect is formed on a mask substrate. The phase-edge effect reduces the intensity of light boundary of two transmitting regions from through transmitted light has a phase difference. A pattern can then be formed in a photolithographic process using the phase-edge effect. A difference between “isolated” and “dense” patterns formed on a wafer can be reduced by forming a dummy pattern in a isolated pattern region of the mask and making the diffraction pattern of the isolated pattern the same as that of the dense pattern, thereby improving the total focus margin. Because the intensity of light is reduced at the boundary between a first region in which the phase of the transmitted light is 0° and a second region in which the phase of the transmitted light is 180°, for example, a photoresist layer is not photosensitized.
    • 掩模校正光学邻近效应(OPE)。 在掩模基板上形成具有相边效应的虚设图案。 相位效应通过透射光减少两个透射区域的光边界的强度具有相位差。 然后可以使用相缘效应在光刻工艺中形成图案。 可以通过在掩模的隔离图案区域中形成虚拟图案并使隔离图案的衍射图案与致密图案相同,从而可以减小在晶片上形成的“隔离”和“密集”图案之间的差异,由此 提高总焦距。 因为在透射光的相位为0°的第一区域和透射光的相位为180°的第二区域之间的边界处的光的强度例如光致抗蚀剂层不被光敏化 。
    • 34. 发明授权
    • Method of forming a hard mask and method of forming a fine pattern of semiconductor device using the same
    • 形成硬掩模的方法和使用其形成半导体器件的精细图案的方法
    • US08278221B2
    • 2012-10-02
    • US13181655
    • 2011-07-13
    • Cha-won KohHan-ku ChoJeong-lim NamGi-sung YeoJoon-soo ParkJi-young Lee
    • Cha-won KohHan-ku ChoJeong-lim NamGi-sung YeoJoon-soo ParkJi-young Lee
    • H01L21/331
    • H01L21/3086H01L21/0337H01L21/0338H01L21/3088H01L21/31144H01L21/76816
    • A method of forming hard mask employs a double patterning technique. A first hard mask layer is formed on a substrate, and a first sacrificial pattern is formed on the first hard mask layer by photolithography. Features of the first sacrificial pattern are spaced from one another by a first pitch. A second hard mask layer is then formed conformally on the first sacrificial pattern and the first hard mask layer so as to delimit recesses between adjacent features of the first sacrificial pattern. Upper portions of the second hard mask layer are removed to expose the first sacrificial pattern, and the exposed first sacrificial pattern and the second sacrificial pattern are removed. The second hard mask layer and the first hard mask layer are then etched to form a hard mask composed of residual portions of the first hard mask layer and the second hard mask layer. A fine pattern of a semiconductor device, such as a trench isolation region or a pattern of contact holes, can be formed using the hard mask as an etch mask.
    • 形成硬掩模的方法采用双重图案化技术。 第一硬掩模层形成在基板上,并且通过光刻在第一硬掩模层上形成第一牺牲图案。 第一牺牲图案的特征彼此间隔开第一间距。 然后在第一牺牲图案和第一硬掩模层上共形地形成第二硬掩模层,以便限定第一牺牲图案的相邻特征之间的凹部。 去除第二硬掩模层的上部以露出第一牺牲图案,并且去除暴露的第一牺牲图案和第二牺牲图案。 然后蚀刻第二硬掩模层和第一硬掩模层,以形成由第一硬掩模层和第二硬掩模层的残留部分组成的硬掩模。 可以使用硬掩模作为蚀刻掩模来形成诸如沟槽隔离区域或接触孔图案的半导体器件的精细图案。
    • 35. 发明授权
    • Method of forming a hard mask and method of forming a fine pattern of semiconductor device using the same
    • 形成硬掩模的方法和使用其形成半导体器件的精细图案的方法
    • US08003543B2
    • 2011-08-23
    • US12759771
    • 2010-04-14
    • Cha-won KohHan-ku ChoJeong-lim NamGi-sung YeoJoon-soo ParkJi-young Lee
    • Cha-won KohHan-ku ChoJeong-lim NamGi-sung YeoJoon-soo ParkJi-young Lee
    • H01L21/302
    • H01L21/3086H01L21/0337H01L21/0338H01L21/3088H01L21/31144H01L21/76816
    • A method of forming hard mask employs a double patterning technique. A first hard mask layer is formed on a substrate, and a first sacrificial pattern is formed on the first hard mask layer by photolithography. Features of the first sacrificial pattern are spaced from one another by a first pitch. A second hard mask layer is then formed conformally on the first sacrificial pattern and the first hard mask layer so as to delimit recesses between adjacent features of the first sacrificial pattern. Upper portions of the second hard mask layer are removed to expose the first sacrificial pattern, and the exposed first sacrificial pattern and the second sacrificial pattern are removed. The second hard mask layer and the first hard mask layer are then etched to form a hard mask composed of residual portions of the first hard mask layer and the second hard mask layer. A fine pattern of a semiconductor device, such as a trench isolation region or a pattern of contact holes, can be formed using the hard mask as an etch mask.
    • 形成硬掩模的方法采用双重图案化技术。 第一硬掩模层形成在基板上,并且通过光刻在第一硬掩模层上形成第一牺牲图案。 第一牺牲图案的特征彼此间隔开第一间距。 然后在第一牺牲图案和第一硬掩模层上共形地形成第二硬掩模层,以便限定第一牺牲图案的相邻特征之间的凹部。 去除第二硬掩模层的上部以露出第一牺牲图案,并且去除暴露的第一牺牲图案和第二牺牲图案。 然后蚀刻第二硬掩模层和第一硬掩模层,以形成由第一硬掩模层和第二硬掩模层的残留部分组成的硬掩模。 可以使用硬掩模作为蚀刻掩模来形成诸如沟槽隔离区域或接触孔图案的半导体器件的精细图案。
    • 38. 发明申请
    • Method of forming a hard mask and method of forming a fine pattern of semiconductor device using the same
    • 形成硬掩模的方法和使用其形成半导体器件的精细图案的方法
    • US20080090419A1
    • 2008-04-17
    • US11727124
    • 2007-03-23
    • Cha-won KohHan-ku ChoJeong-lim NamGi-sung YeoJoon-soo ParkJi-young Lee
    • Cha-won KohHan-ku ChoJeong-lim NamGi-sung YeoJoon-soo ParkJi-young Lee
    • H01L21/311
    • H01L21/3086H01L21/0337H01L21/0338H01L21/3088H01L21/31144H01L21/76816
    • A method of forming hard mask employs a double patterning technique. A first hard mask layer is formed on a substrate, and a first sacrificial pattern is formed on the first hard mask layer by photolithography. Features of the first sacrificial pattern are spaced from one another by a first pitch. A second hard mask layer is then formed conformally on the first sacrificial pattern and the first hard mask layer so as to delimit recesses between adjacent features of the first sacrificial pattern. Upper portions of the second hard mask layer are removed to expose the first sacrificial pattern, and the exposed first sacrificial pattern and the second sacrificial pattern are removed. The second hard mask layer and the first hard mask layer are then etched to form a hard mask composed of residual portions of the first hard mask layer and the second hard mask layer. A fine pattern of a semiconductor device, such as a trench isolation region or a pattern of contact holes, can be formed using the hard mask as an etch mask.
    • 形成硬掩模的方法采用双重图案化技术。 第一硬掩模层形成在基板上,并且通过光刻在第一硬掩模层上形成第一牺牲图案。 第一牺牲图案的特征彼此间隔开第一间距。 然后在第一牺牲图案和第一硬掩模层上共形地形成第二硬掩模层,以便限定第一牺牲图案的相邻特征之间的凹部。 去除第二硬掩模层的上部以露出第一牺牲图案,并且去除暴露的第一牺牲图案和第二牺牲图案。 然后蚀刻第二硬掩模层和第一硬掩模层,以形成由第一硬掩模层和第二硬掩模层的残留部分组成的硬掩模。 可以使用硬掩模作为蚀刻掩模来形成诸如沟槽隔离区域或接触孔图案的半导体器件的精细图案。
    • 39. 发明申请
    • METHOD OF MANUFACTURING A MASK
    • 制作面膜的方法
    • US20080010628A1
    • 2008-01-10
    • US11762838
    • 2007-06-14
    • Sung-gon JungJi-young LeeHan-ku ChoGi-sung Yeo
    • Sung-gon JungJi-young LeeHan-ku ChoGi-sung Yeo
    • G06F17/50G03F1/00
    • G03F1/36
    • A method of manufacturing a mask includes designing a first mask data pattern, designing a second mask data pattern for forming the first mask data pattern, acquiring a first emulation pattern, which is predicted from the second mask data pattern, using layout-based Self-Aligning Double Patterning (SADP) emulation, comparing the first emulation pattern with the first mask data pattern, and modifying the second mask data pattern according to results of the comparison. The method further includes performing Optical Proximity Correction (OPC) on the modified second mask data pattern, acquiring second emulation patterns, which are predicted from the second mask data pattern on which the OPC has been performed, using image-based SADP emulation, and comparing the second emulation patterns and the first mask data pattern and manufacturing a first mask layer, which corresponds to the second mask data pattern on which the OPC has been performed, according to the results of the comparison.
    • 一种制造掩模的方法包括:设计第一掩模数据图案,设计用于形成第一掩模数据图案的第二掩模数据图案,使用基于布局的自对准方法获取从第二掩模数据图案预测的第一仿真图案, 对准双重图案(SADP)仿真,将第一仿真模式与第一掩模数据模式进行比较,并根据比较结果修改第二掩模数据模式。 该方法还包括在修改的第二掩模数据模式上执行光学邻近校正(OPC),从使用基于图像的SADP仿真的第二掩模数据模式中获取第二仿真模式,其中已经执行了OPC,并且比较 第二仿真模式和第一掩模数据模式,并且根据比较结果制造对应于已经执行了OPC的第二掩模数据模式的第一掩模层。