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Lithographic apparatus and device manufacturing method using repeated patterns in an LCD to reduce datapath volume

  • US 7,812,930 B2
  • Filed: 03/21/2005
  • Issued: 10/12/2010
  • Est. Priority Date: 03/21/2005
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • dividing a pattern into regions, each of the regions including a sub-pattern, wherein portions of a group of the regions each include a common sub-pattern;

    assigning an identifier to each of the sub-patterns;

    storing a matrix in a tangible computer data storage medium, each entry of the matrix corresponding to a respective one of the regions and including a respective one of the identifiers that identifies a respective one of the sub-patterns included in the respective one of the regions, wherein the entries of the matrix corresponding to the portions of the group of the regions include a same identifier;

    storing only one instance of the common sub-pattern in the storage;

    providing a plurality of buffers configured to store at least one of the sub-patterns;

    transferring each of the at least one of the sub-patterns from the plurality of buffers to a controller; and

    actuating an array of individually controllable elements with the controller in accordance with the at least one of the sub-patterns,wherein the transferring comprises transferring the at least one portion of the pattern from at least one buffer of the plurality of buffers to a different buffer of the plurality of buffers prior to transferring the at least one portion of the pattern to the controller.

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