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

Claim 12:
13. 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 load calibration piece, and the on-wafer calibration piece model is the third load calibration piece model, determining that the admittance formula is:, {
  
    
      
        
          
            
              Y
              load
              ″
            
            =
            
              1
              
                
                  R
                  s
                
                +
                
                  1
                  
                    
                      Y
                      1
                    
                    +
                    
                      Y
                      2
                    
                  
                
              
            
          
        
      
      
        
          
            
              
                Y
                1
              
              =
              
                1
                
                  
                    R
                    1
                  
                  +
                  
                    j
                    ⁢
                    
                      
                    
                    ⁢
                    ω
                    ⁢
                    
                      
                    
                    ⁢
                    
                      L
                      load
                    
                  
                
              
            
            ⁢
            
              
            
          
        
      
      
        
          
            
              
                Y
                2
              
              =
              
                j
                ⁢
                
                  
                
                ⁢
                ω
                ⁢
                
                  
                
                ⁢
                
                  C
                  s
                
              
            
            ⁢
            
              
            
          
        
      
    
    ,, wherein Yload″ denotes an admittance of the third 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 an inductance of the load calibration piece inductor measured at a preset frequency, Rs denotes a resistance of the seventh resistor, Cs denotes a capacitance of the seventh capacitor, Y1 denotes a series admittance of R1 and Lload, and Y2 denotes an admittance of Cs.