Drawing device and drawing method

Abstract

A drawing device according to an embodiment includes: a stage configured to be capable of having a processing target mounted thereon; an aperture member including a plurality of apertures corresponding to a plurality of beams irradiated to the processing target; a data generator configured to generate gradation data indicating irradiation time data with n bits (n is a positive integer) with respect to positions of respective coordinates of the beams; a calculator configured to perform a logical addition operation of the gradation data of the respective positions of the coordinates; and a controller configured to control the aperture member based on the gradation data and a result of the logical addition operation.

Dependencies are inferred from the claim text.