The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 2014
Filed:
Feb. 12, 2013
Nuflare Technology, Inc., Numazu, JP;
NuFlare Technology, Inc., Numazu-shi, JP;
Abstract
A apparatus according to an embodiment includes a unit to generate first blocks in a writing region in which at least one of writing groups respectively using different base doses is to be written, a unit to generate second blocks for proximity effect correction, in the each of the regions of the groups, a unit to calculate an area density in each of the first blocks, a unit to perform a weighting calculation on the area density for each of the first blocks by using a base dose of a corresponding group, a unit to calculate a dose coefficient for proximity effect correction, for each of the second blocks, by using a corresponding weighted area density, and a unit to calculate a dose by using the base dose of the each of the groups and the dose coefficient of the each of the second blocks.