Patent ID: 11874203
Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
Field: Measurement (Instruments)
Classification: CPC G  B | IPC B  G

Claim 7:
8. An apparatus for forming and analyzing a nanostructure, the apparatus comprising:
a nano printing device configured to form the nanostructure, the nano printing device comprising:
a nanopipette which includes a pipette body having a discharge hole formed in one end portion thereof and configured to contain a liquid solution, and a plating layer formed on an outer surface of the pipette body;
a substrate having a metal layer and on which the nanostructure formed from the liquid solution discharged from the nanopipette are placed;
a first power supply unit configured to electrically connect the liquid solution of the pipette body and the plating layer so as to apply heat to the liquid solution;
a second power supply unit configured to reduce a surface tension of the liquid solution at the discharge hole, wherein the second power supply unit electrically connects the plating layer and the metal layer; and
a quartz tuning fork provided to be in contact with the nanopipette,
wherein the quartz tuning fork is configured to detect a phase and an amplitude generated at the end of the nanopipette,
wherein the phase and amplitude satisfy the following equations:, k
   
    i
    ⁢
    n
    ⁢
    t
   
  
  =
  
   
    
     F
     A
    
    ⁢
    sin
    ⁢
    θ
   
   +
   
    m
    ⁢
    
     ω
     2
    
   
   -
   k
  
 

 
  
   b
   int
  
  =
  
   
    
     F
     
      A
      ⁢
      ω
     
    
    ⁢
    cos
    ⁢
    θ
   
   -
   b
  
 

 
  
   F
   
    k
    =
   
  
  ⁢
  
   k
   int
  
  ⁢
  A
 

 
  
   F
   
    b
    =
   
  
  ⁢
  
   b
   int
  
  ⁢
  ω
  ⁢
  A
 

 
  
   E
   
    
     d
     ⁢
     i
     ⁢
     s
    
    =
   
  
  -
  
   
    
     π
     ⁢
     k
     ⁢
     
      A
      0
      2
     
    
    Q
   
   [
   
    
     
      A
      
       A
       0
      
     
     ⁢
     cos
     ⁢
     θ
    
    -
    
     
      ω
      
       ω
       0
      
     
     ⁢
     
      (
      
       A
       
        A
        0
       
      
      )
     
    
   
   ]
  
 

wherein, kint denotes an elastic coefficient, bint denotes a viscosity coefficient, Fk denotes an elastic force, Fb denotes a viscous force, Edis denotes an energy dissipation, and Q denotes a quality factor; and

a Raman spectroscopy apparatus configured to analyze the nanostructure formed from the nano printing device, the Raman spectroscopy apparatus comprising:
a laser light source configured to generate and emit a laser light to the nanostructure; and
a Raman detector configured to collect spectroscopic information from the light scattered by the nanostructure.