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    • 4. 发明申请
    • Semiconductor Device and Method of Manufacturing the Same
    • 半导体器件及其制造方法
    • US20090115068A1
    • 2009-05-07
    • US12251726
    • 2008-10-15
    • Jeong Yel Jang
    • Jeong Yel Jang
    • H01L23/48H01L21/4763
    • H01L23/522H01L21/76816H01L2924/0002H01L2924/00
    • Provided are a semiconductor device and a method of manufacturing the same. In the method, a metal interconnection can be formed on a substrate. A dielectric can be formed on the metal interconnection. A photoresist pattern can be formed on the dielectric. The dielectric can be etched using the photoresist pattern as an etch mask to form a dense region of contact holes exposing the metal interconnection and dummy patterns surrounding the region of contact holes. In the semiconductor device, the dummy patterns are disposed around the dense contact holes to minimize a difference between etching rates of the contact holes, thereby inhibiting an etching defect such as an under-etch or over-etch defect.
    • 提供半导体器件及其制造方法。 在该方法中,可以在基板上形成金属互连。 电介质可以形成在金属互连上。 可以在电介质上形成光致抗蚀剂图案。 可以使用光致抗蚀剂图案作为蚀刻掩模来蚀刻电介质,以形成暴露金属互连和接触孔区域周围的虚拟图案的接触孔的致密区域。 在半导体器件中,虚设图案设置在致密接触孔周围,以最小化接触孔的蚀刻速率之间的差异,从而抑制诸如蚀刻不足或过蚀刻缺陷之类的蚀刻缺陷。
    • 6. 发明申请
    • METHOD FOR PATTERNING A THIN FILM USING A PLASMA BY-PRODUCT
    • 使用等离子体副产品形成薄膜的方法
    • US20070154852A1
    • 2007-07-05
    • US11617186
    • 2006-12-28
    • Jeong Yel Jang
    • Jeong Yel Jang
    • G03F7/26
    • H01L21/32139H01L21/0212H01L21/02274H01L21/0274H01L21/3127
    • Embodiments relate to a method of patterning a thin film using a by-product of plasma. According to embodiments, the method may include (a) forming a thin film serving as a target object to be etched on a substrate, (b) forming photoresist patterns on the thin film, (c) performing a plasma treatment with respect to the photoresist pattern such that a by-product is attached to an outer wall of the photoresist pattern, and (d) patterning the thin film by using the photoresist patterns attached with the by-product as an etching mask. In embodiments, when a by-product of plasma is attached to a photoresist pattern such that the by-product of plasma is used as an etching mask, the thickness of the by-product may be formed as a desired thickness by controlling process variables.
    • 实施例涉及使用等离子体的副产物构图薄膜的方法。 根据实施例,该方法可以包括:(a)在基板上形成用作待蚀刻目标物体的薄膜,(b)在薄膜上形成光刻胶图案,(c)对光致抗蚀剂进行等离子体处理 使得副产物附着到光致抗蚀剂图案的外壁上,以及(d)通过使用附加有副产物的光致抗蚀剂图案作为蚀刻掩模来图案化薄膜。 在实施方案中,当将等离子体的副产物连接到光致抗蚀剂图案上使得等离子体的副产物用作蚀刻掩模时,副产物的厚度可以通过控制工艺变量形成为期望的厚度。
    • 9. 发明授权
    • Method for forming a damascene pattern of a copper metallization layer
    • 用于形成铜金属化层的镶嵌图案的方法
    • US07592253B2
    • 2009-09-22
    • US11644888
    • 2006-12-26
    • Jeong Yel Jang
    • Jeong Yel Jang
    • H01L21/4763
    • H01L21/76807H01L21/76813
    • There is provided a method of forming a damascene pattern including a via and a trench in a damascene process of forming a copper metal interconnection. The method includes forming an interlayer dielectric layer on a substrate, forming a first photosensitive layer pattern including a first opening that exposes a region in which a via is to be formed on the interlayer dielectric layer, etching the interlayer dielectric layer to a first depth using the first photosensitive layer pattern as an etching mask, removing the first photosensitive layer pattern and forming a second photosensitive layer pattern including a second opening that exposes a region in which a trench is to be formed on the interlayer dielectric layer, and etching the interlayer dielectric layer using the second photosensitive layer pattern as an etching mask to simultaneously form the via and the trench.
    • 提供了在形成铜金属互连的镶嵌工艺中形成包括通孔和沟槽的镶嵌图案的方法。 该方法包括在衬底上形成层间电介质层,形成包括第一开口的第一感光层图案,该第一感光层图案在层间电介质层上暴露要形成通孔的区域,使用 所述第一感光层图案作为蚀刻掩模,去除所述第一感光层图案并形成第二感光层图案,所述第二感光层图案包括在所述层间介电层上暴露要形成沟槽的区域的第二开口,以及蚀刻所述层间电介质 层,使用第二感光层图案作为蚀刻掩模,以同时形成通孔和沟槽。
    • 10. 发明申请
    • Method for forming a damascene pattern of a copper metallization layer
    • 用于形成铜金属化层的镶嵌图案的方法
    • US20070155170A1
    • 2007-07-05
    • US11644888
    • 2006-12-26
    • Jeong Yel Jang
    • Jeong Yel Jang
    • H01L21/4763
    • H01L21/76807H01L21/76813
    • There is provided a method of forming a damascene pattern including a via and a trench in a damascene process of forming a copper metal interconnection. The method includes forming an interlayer dielectric layer on a substrate, forming a first photosensitive layer pattern including a first opening that exposes a region in which a via is to be formed on the interlayer dielectric layer, etching the interlayer dielectric layer to a first depth using the first photosensitive layer pattern as an etching mask, removing the first photosensitive layer pattern and forming a second photosensitive layer pattern including a second opening that exposes a region in which a trench is to be formed on the interlayer dielectric layer, and etching the interlayer dielectric layer using the second photosensitive layer pattern as an etching mask to simultaneously form the via and the trench.
    • 提供了在形成铜金属互连的镶嵌工艺中形成包括通孔和沟槽的镶嵌图案的方法。 该方法包括在衬底上形成层间电介质层,形成包括第一开口的第一感光层图案,该第一感光层图案在层间电介质层上暴露要形成通孔的区域,使用 所述第一感光层图案作为蚀刻掩模,去除所述第一感光层图案并形成第二感光层图案,所述第二感光层图案包括在所述层间介电层上暴露要形成沟槽的区域的第二开口,以及蚀刻所述层间电介质 层,使用第二感光层图案作为蚀刻掩模,以同时形成通孔和沟槽。