Patent ID: 11883905
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Optics (Instruments)
Classification: CPC B  G  H | IPC B  G  H

Claim 15:
16. The wafer processing apparatus of claim 15, wherein an intensity-time profile of each of the plurality of pulses follows Equation 1 below,, I
          ⁡
          
            (
            t
            )
          
        
        =
        
          E
          ⁢
          
            
          
          ⁢
          
            β
            
              2
              ⁢
              
                
              
              ⁢
              
                α
                ·
                
                  Γ
                  ⁡
                  
                    (
                    
                      1
                      β
                    
                    )
                  
                
              
            
          
          ⁢
          
            
              exp
              ⁡
              
                [
                
                  -
                  
                    
                      (
                      
                        
                          t
                          -
                          μ
                        
                        α
                      
                      )
                    
                    β
                  
                
                ]
              
            
            ⁡
            
              [
              
                1
                +
                
                  erf
                  ⁡
                  
                    (
                    
                      
                        s
                        
                          2
                        
                      
                      ·
                      
                        
                          t
                          -
                          μ
                        
                        α
                      
                    
                    )
                  
                
              
              ]
            
          
        
      
    
    
      
        [
        
          Equation
          ⁢
          
            
          
          ⁢
          1
        
        ]
      
    
  

wherein E denotes an energy parameter for controlling an energy amount of each of the plurality of pulses, α denotes a pulse width parameter for controlling a pulse width of each of the plurality of pulses, β denotes a kurtosis parameter for controlling kurtosis of each of the plurality of pulses, s denotes a skewness parameter for controlling skewness of each of the plurality of pulses, μ denotes a parameter for controlling a time axis parallel movement of each of the plurality of pulses, and a gamma function Γ(z)and a Gaussian error function erf (x) follow Equation 2 below, and, Γ
            ⁡
            
              (
              z
              )
            
          
          =
          
            
              ∫
              0
              ∞
            
            ⁢
            
              
                x
                
                  z
                  -
                  1
                
              
              ⁢
              
                e
                
                  -
                  x
                
              
              ⁢
              dx
            
          
        
        ⁢
        
          

        
        ⁢
        
          
            erf
            ⁡
            
              (
              x
              )
            
          
          =
          
            
              2
              π
            
            ⁢
            
              
                ∫
                0
                x
              
              ⁢
              
                
                  e
                  
                    -
                    
                      t
                      2
                    
                  
                
                ⁢
                dt
              
            
          
        
      
    
    
      
        [
        
          Equation
          ⁢
          
            
          
          ⁢
          2
        
        ]
      
    
  

the skewness parameter s is greater than 0 and 100 or less.