Patent ID: 11920043
Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 4:
5. The method of manufacturing liquid metal ink according to claim 1, wherein in the step (b),
a degree (X) of removing an oxide film from the liquid metal is calculated by the following equation:, X
  =
  
   
    
     10
     
      -
      
       pH
       
        Dispersion
        ⁢
          
        medium
       
      
     
    
    -
    
     10
     
      -
      
       pH
       Ink
      
     
    
   
   
    10
    
     -
     
      pH
      
       Dispersion
       ⁢
         
       medium
      
     
    
   
  
 

(wherein, 10−pHDispersion medium is a hydrogen ion concentration of a dispersion medium including an ethanol aqueous solution in which ethanol and water are mixed, and is 10−pHInk is a hydrogen ion concentration value of ink manufactured in a state in which liquid metal is dispersed into an ethanol aqueous solution in which ethanol and water are mixed).