Patent ID: 8863047
Filing Date: 2014-10-14
Classification: G03F

Abstract:
1. A photolithography capacity planning system, comprising: a cost calculation module, calculating a production cost, an unfulfilled demand cost, and a mask cost of a photolithography manufacturing process to produce a cost information; a capacity calculation module, calculating a capacity of light sources, a capacity of shared equipments, and a capacity of specified equipments of the photolithography manufacturing process to produce a capacity information; a demand calculation module, calculating a quantity of unfulfilled demand of the photolithography manufacturing process to produce an unfulfilled demand information according to the capacity information and a quantity of predicted demand provided by a user; a data processing module, connected to the cost calculation module, the capacity calculation module, and the demand calculation module, producing a planning result to the user according to the cost information, the capacity information, the unfulfilled demand information, and the user's planning targets to enable the user to determine whether or not to produce more masks or increase equipments, wherein a minimum of the production cost, the mask cost, and the unfulfilled demand cost is calculated and expressed in the equation below: wherein CO is the production cost and the mask cost, ρ is the unfulfilled demand cost, CM x y CP CU q u