PROCESS FOR CREATING A THREE-DIMENSIONAL STRUCTURE IN A LITHOGRAPHY MATERIAL VIA A LASER LITHOGRAPHY DEVICE

    公开(公告)号:US20220350239A1

    公开(公告)日:2022-11-03

    申请号:US17712905

    申请日:2022-04-04

    IPC分类号: G03F1/44 G03F1/20

    摘要: Method (and apparatus) for producing a 3D target structure in lithographic material. Focus region of a laser writing beam travels through a scanning manifold through the lithographic material. In the focus region of the laser writing beam, an exposure dose is irradiated into the lithographic material, and a structure region is locally defined. At least one exposure data set which represents a local exposure dose for the scan manifold as a function of location is determined. A structure which approximates the target structure is defined based on at least one exposure data set. This structure is analyzed and at least one analysis data set which represents the analyzed structure is determined. Deviation data set which represents deviations of the already defined structure from the target structure is determined. At least one correction exposure data set is determined. Correction structure based on the at least one correction exposure data set is defined.

    DESIGN-RULE CHECKING FOR CURVILINEAR DEVICE FEATURES

    公开(公告)号:US20210133293A1

    公开(公告)日:2021-05-06

    申请号:US16669808

    申请日:2019-10-31

    摘要: One illustrative system includes a processor and memory storing instructions that, when executed by the processor, cause the system to receive a device layout including a curvilinear feature, define a plurality of vertices for the curvilinear feature, determine a radius of curvature between a selected vertex in the plurality of vertices and a neighboring vertex in the plurality of vertices, and identify a design rule violation for the curvilinear feature responsive to the radius of curvature being less than a predetermined threshold.

    PHOTOMASK
    5.
    发明申请
    PHOTOMASK 审中-公开

    公开(公告)号:US20200089099A1

    公开(公告)日:2020-03-19

    申请号:US16694348

    申请日:2019-11-25

    摘要: A photomask includes a patterned photomask plate and a supporting member. The patterned photomask plate has a pattern region and a peripheral region surrounding the pattern region. The patterned photomask plate includes a plurality of openings in the pattern region. The supporting member directly abuts the patterned photomask plate and is in a peripheral region of the patterned photomask plate. The supporting member is formed from a different material than the patterned photomask plate.

    Method and system for forming a pattern on a reticle using charged particle beam lithography

    公开(公告)号:US10101648B2

    公开(公告)日:2018-10-16

    申请号:US15654941

    申请日:2017-07-20

    申请人: D2S, Inc.

    发明人: Akira Fujimura

    摘要: A method and system for fracturing or mask data preparation is disclosed in which a desired substrate pattern for a substrate is input. A plurality of charged particle beam shots is then determined which will form a reticle pattern on a reticle, where the reticle pattern will produce a substrate pattern on the substrate using an optical lithography process, wherein the substrate pattern is within a predetermined tolerance of the desired substrate pattern. A similar method and a similar system for forming a pattern on a reticle are also disclosed.