Patent ID: 7626679

Claim:
An exposure apparatus comprising: an exposure unit configured to expose a photoresist coated on a first substrate including a plurality of first shot regions with light for each of the first shot regions to transfer a pattern of a mask to the photoresist; an obtaining unit configured to obtain coating timing information concerning a coating timing at which the photoresist has been coated on the first substrate; a generation unit configured to generate shot exposure timing information concerning a scheduled timing at which each of the first shot regions is to be exposed by the exposure unit, and to generate remaining substrate exposure time information concerning a time between the scheduled timing for each of the first shot regions and a timing at which the exposure unit has completed exposure of all of the first shot regions; a storage unit configured to store history information during a period between a timing at which a second substrate was developed and a timing at which the shot exposure timing information and the remaining substrate exposure time information of the first substrate have begun to generate, the second substrate including a plurality of second shot regions which have been processed before the first substrate, the history information concerning a time between a timing at which the exposure unit has completed exposure of all of the second shot regions and a timing at which the second substrate was developed; a calculator configured to calculate a dose of light for each of the first shot regions by adding a first light dose offset for each of the first shot regions and a second light dose offset for each of the first shot regions to a reference dose of light, the first light dose offset being obtained according to the coating timing information and the shot exposure timing information, the second light dose offset being obtained according to the remaining substrate exposure time information and the history information; and a controller configured to cause the exposure unit to expose each of the first shot regions with light in accordance with the dose of light each of the first shot regions which is calculated by the calculator.