Patent ID: 8893059

Claim:
A pattern data system for maskless electron beam lithography, the system comprising: a renderer that receives pre-exposure die image data, performs rendering of the pre-exposure die image data to generate raster data; a plurality of data distributors communicatively coupled to the renderer, wherein each data distributor adapts the raster data to characteristics of an associated pattern writer; and a plurality of proximity correctors, wherein a proximity corrector processes design data for a device so as to generate the pre-exposure die image data, and wherein the proximity corrector comprises a macro-field decomposer that extracts design data for a layer of the device and decomposes the design data for the layer to generate macro-field data which is stored in a first macro-field database, an underlying-layer mapper that extracts design data for layers underlying the layer of the device and performs mapping to generate underlying layer maps, and a proximity solver that processes the macro-field data from the first database and the underlying layer maps so as to correct the macro-field data for proximity effects.