Patent ID: 11906693
Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 6:
7. The probe according to claim 6, wherein an output ΔC of the differential comb capacitor, a spacing d0 between the comb finger top portions of each of the movable comb fingers and adjacent each of the fixed comb fingers when directly facing each other, and a thickness h of each of the movable comb fingers and each of the fixed comb fingers satisfy:, Δ
    ⁢
    C
   
   =
   
    4
    ⁢
    N
    ⁢
    
     
      ε
      ⁢
      h
      ⁢
      Δ
      ⁢
      x
     
     
      d
      0
     
    
   
  
  ,
 

where ε is a dielectric constant, Δx is a motion displacement of the proof mass, and N is the number of sets of array capacitor plates of the differential comb capacitor.