Patent ID: 11931853
Assignee: APPLIED MATERIALS, INC.
Field: Machine tools (Mechanical engineering)
Classification: CPC B  G  H | IPC B  G

Claim 17:
18. The system of claim 17, wherein the first term is represented at least in part by, 
  
    
      
        ∑
        
          t
          =
          0
        
        T
      
      ⁢
      
        
          B
          ⁡
          
            (
            t
            )
          
        
        ⁢
        
          
            u
            ⁡
            
              (
              t
              )
            
          
          ·
          Δ
        
        ⁢
        
          
        
        ⁢
        t
      
    
    -
    R
  
  , where B[t] is a selector matrix, u[t] is a vector representing polishing pressures as a function of time, R is the target thickness profile, and Δt is a time step in the summation.