Patent ID: 11971451
Assignee: THE 13TH RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The method according to claim 1, wherein determining, according to the on-wafer calibration piece model, the admittance formula corresponding to the on-wafer calibration piece model comprises:
when the on-wafer calibration piece model is the first load calibration piece model and the corresponding on-wafer calibration piece is the first load calibration piece, determining that the admittance formula is:, {
  
    
      
        
          
            
              
                Y
                load
              
              =
              
                
                  Y
                  1
                
                +
                
                  Y
                  2
                
              
            
            ⁢
            
              
            
          
        
      
      
        
          
            
              Y
              1
            
            =
            
              1
              
                
                  R
                  1
                
                +
                
                  j
                  ⁢
                  
                    
                  
                  ⁢
                  ω
                  ⁢
                  
                    
                  
                  ⁢
                  
                    L
                    load
                  
                
              
            
          
        
      
      
        
          
            
              
                Y
                2
              
              =
              
                1
                
                  
                    R
                    s
                  
                  +
                  
                    1
                    
                      j
                      ⁢
                      
                        
                      
                      ⁢
                      ω
                      ⁢
                      
                        
                      
                      ⁢
                      
                        C
                        s
                      
                    
                  
                
              
            
            ⁢
            
              
            
          
        
      
    
    ,, wherein Yload denotes an admittance of the first load calibration piece, R1 denotes a resistance of the load calibration piece direct-current resistor, j denotes an imaginary number, ω denotes an angular frequency, Lload denotes a inductance of the load calibration piece inductor measured at a preset frequency, Rs denotes a resistance of the first resistor, Cs denotes capacitance of the first capacitor, Y1 denotes a series admittance of R1 and Lload, and Y2 denotes a series admittance of Cs and Rs.