Patent ID: 11899041
Assignee: ATTOCUBE SYSTEMS AG
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 3:
4. The method according to claim 3, wherein the coefficients An are found by nullifying all derivatives of function H(φ) up to the order, 2
     ⁢
     
      (
      
       M
       -
       1
      
      )
     
    
    _
   
   ⁢
      
   at
   ⁢
      
   φ
  
  =
  
   0
   ⁢
      
   
    
     (
     
      
       
        
         i
         .
         e
         .
            
         
          
           
            d
            p
           
           ⁢
           H
          
          
           d
           ⁢
           
            φ
            p
           
          
         
        
        
         ❘
         
          φ
          =
          0
         
        
       
       =
       0
      
      ,
      
       p
       =
       
        
         0
         ,
         
          2
          ⁢
          
           (
           
            M
            -
            1
           
           )
          
         
        
        _
       
      
     
     )
    
    .