| 摘要 |
An exposure-data generating apparatus comprises a first memory, a second memory, and an exposure data memory. The first memory stores drawing data in bitmap format as first data that is used for an exposure. The second memory stores second data whose data unit in a column direction is converted to a resolution unit of information of each cell based on the first data. The exposure data memory stores exposure data that is raster data obtained by a burst transfer of third data at every column unit. The second data is rearranged and converted to the third data, where an arrangement of data of each cell of the second data in the column direction is changed to a row direction. The cell constitutes a display element of a Digital Micro-mirror Device that performs the exposure based on said exposure data.
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