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    • 5. 发明申请
    • Mask superposition for multiple exposures
    • 多重曝光的面膜叠加
    • US20060139603A1
    • 2006-06-29
    • US11317974
    • 2005-12-23
    • Burn Lin
    • Burn Lin
    • G03B27/54
    • G03F7/70275G03F7/70208G03F7/70283
    • An exposure system includes a mask stage module adapted for holding a first mask and a second mask, wherein the first mask is configured for illumination by a first beam to form a transformed first beam having a first pattern from the first mask and the second mask is configured for illumination by a second beam to form a transformed second beam having a second pattern from the second mask. The exposure system also includes a beam combiner configured to combine the transformed first and second beams to form a resultant beam, wherein the resultant beam is projected into a substrate coated with a photoresist layer.
    • 曝光系统包括适于保持第一掩模和第二掩模的掩模台模块,其中第一掩模被配置为由第一光束照明以形成具有来自第一掩模的第一图案的变换的第一光束,而第二掩模是 被配置为由第二光束照明以形成具有来自第二掩模的第二图案的变换的第二光束。 曝光系统还包括光束组合器,其被配置为组合变换的第一和第二光束以形成合成光束,其中所得到的光束投射到涂覆有光致抗蚀剂层的基板中。
    • 7. 发明申请
    • Multiple mask step and scan aligner
    • 多个掩模步骤和扫描对准器
    • US20050012914A1
    • 2005-01-20
    • US10918863
    • 2004-08-16
    • Burn Lin
    • Burn Lin
    • G03F7/20G03F9/00G03B27/42
    • G03F7/70283G03F7/70358G03F7/70466G03F9/7076
    • A new optical lithographic exposure apparatus is described. The apparatus may comprise, for example, a lithographic stepper or scanner. A wafer stage comprises a means of supporting a semiconductor wafer. A mask stage comprises a means of holding a first mask and a second mask and maintaining a fixed relative position between the first mask and the second mask. The mask stage may further comprise an independent means of aligning each mask. A light source comprises a means to selectively shine actinic light through one of the first mask and the second mask. An imaging lens is capable of focusing the actinic light onto the semiconductor wafer. A step and scan method using the mask stage is provided. A first mask and a second mask are loaded into a mask stage of an optical lithographic exposure apparatus. The first mask and the second mask are aligned. The first mask is scanned. The wafer is then stepped. The second mask is scanned. By repeating this sequence across the wafer twice, the patterns of the first mask and the second mask are thereby superimposed in every field. The photoresist layer is developed to thereby create the patterning in the manufacture of the integrated circuit device.
    • 描述了一种新的光刻曝光设备。 该装置可以包括例如光刻步进器或扫描器。 晶片台包括支撑半导体晶片的装置。 掩模台包括保持第一掩模和第二掩模并保持第一掩模和第二掩模之间的固定相对位置的装置。 掩模台还可以包括对准每个掩模的独立装置。 光源包括选择性地通过第一掩模和第二掩模之一照射光化光的装置。 成像透镜能够将光化学光聚焦到半导体晶片上。 提供了使用掩模阶段的步骤和扫描方法。 第一掩模和第二掩模被加载到光刻曝光设备的掩模级中。 第一个掩模和第二个掩模对齐。 第一个掩模被扫描。 然后将晶片加工成台阶。 第二个面罩被扫描。 通过跨晶片重复该序列两次,因此第一掩模和第二掩模的图案在每个场中叠加。 显影光致抗蚀剂层,从而在集成电路器件的制造中形成图案化。
    • 10. 发明申请
    • High resolution lithography system and method
    • 高分辨率光刻系统及方法
    • US20050147921A1
    • 2005-07-07
    • US11043304
    • 2005-01-26
    • Chin-Hsiang LinBurn Lin
    • Chin-Hsiang LinBurn Lin
    • G03F7/00G03F7/20
    • G03F7/70466G03F7/001G03F7/201G03F7/203G03F7/70408
    • Provided are a high resolution lithography system and method. In one example, a method for producing a pattern on a substrate includes separating the pattern into at least a first sub-pattern containing lines oriented in a first direction and a second sub-pattern containing lines oriented in a second direction. Lines oriented in the first direction are created on a first layer of photosensitive material on the substrate using a first standing wave interference pattern. A portion of the created lines are trimmed to create the first sub-pattern. A second layer of photosensitive material is applied to the substrate after creating the first sub-pattern. Lines oriented in the second direction are created on the second layer using a second standing wave interference pattern. A portion of the created lines are trimmed to create the second sub-pattern.
    • 提供了高分辨率光刻系统和方法。 在一个示例中,用于在衬底上产生图案的方法包括将图案分离成至少包含沿第一方向定向的线的第一子图案和包含沿第二方向定向的线的第二子图案。 使用第一驻波干涉图案,在基板上的第一感光材料层上产生沿第一方向取向的线。 创建的线的一部分被修剪以创建第一子图案。 在形成第一子图案之后,将第二层感光材料施加到基板上。 使用第二驻波干涉图形在第二层上产生朝向第二方向的线。 创建的线的一部分被修剪以创建第二子图案。