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

Claim 13:
14. The method according to claim 12, 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 is the third open circuit calibration piece, and the on-wafer calibration piece model is the third open circuit calibration piece model, determining that the admittance formula is:, {
  
    
      
        
          
            
              Y
              open
              ″
            
            =
            
              1
              
                
                  R
                  s
                  ′
                
                +
                
                  1
                  
                    
                      Y
                      1
                      ′
                    
                    +
                    
                      Y
                      2
                      ′
                    
                  
                
              
            
          
        
      
      
        
          
            
              
                Y
                1
                ′
              
              =
              
                j
                ⁢
                
                  
                
                ⁢
                ω
                ⁢
                
                  
                
                ⁢
                
                  C
                  open
                
              
            
            ⁢
            
              
            
          
        
      
      
        
          
            
              
                Y
                2
                ′
              
              =
              
                j
                ⁢
                
                  
                
                ⁢
                ω
                ⁢
                
                  
                
                ⁢
                
                  C
                  s
                  ′
                
              
            
            ⁢
            
              
            
          
        
      
    
    ,, wherein Yopen″ denotes an admittance of the third open circuit calibration piece, Copen denotes a capacitance of the open circuit calibration piece capacitor measured at a preset frequency, Rs′ denotes a resistance of the eighth resistor, Cs′ denotes a capacitance of the eighth capacitor, Y1′ denotes an admittance of Copen, and Y2′ denotes an admittance of Cs′.