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   SEMICONDUCTORS    
 
  4-1.  IPA  (ISOPROPYL ALCOHOL)  /   TOKUYAMA
         Application :   , .

  4-2.  SULFURIC ACID ( - H2SO4)  /  TOKUYAMA,  MITSUBISHI CHEMICAL
          Application :   , .

  4-3.  NITRIC ACID  ( - HNO3)  /  MITSUBISHI CHEMICAL
          Application :   ,   .

  4-4.  HYDROCHLORIC ACID  ( - HCL)  /  MITSUBISHI CHEMICAL
          Application :   .

  4-5.  MIXED ACID  ()  /  MITSUBISHI CHEMICAL
          Application :   Etching

  4-6.  HYDROFLUORIC ACID  (` - HF)  /  MITSUBISHI CHEMICAL / MORITA CHEMICAL
        Application :  

  4-7.  AMMONIUM FLUORIDE (`  - NH4F)  /  MITSUBISHI CHEMICAL
          Application :  

  4-8. AQUEOUS AMMONIA (80( - NH3)  /  MITSUBISHI CHEMICAL
         Application :  Cleaning  

  4-8. HYDROGEN PEROXIDE (` - H2O2)  /  MITSUBISHI CHEMICAL
           Application :  ~ ~,  ~~~~~

  4-10. ACETIC ACID ()  /  MITSUBISHI CHEMICAL
           Application :   } }

  4-11.  MC-1  /  MITSUBISHI CHEMICAL
            Application :  (} }

  4-12.   (H3PO4) 85%  /  RIN KAGAKU KOGYO
            Application :  

  4-13.   Machine / TOKUYAMA
            VAPOR DRYER  
            {{ { }
            IPA GAS MONITER  
             ~  
            {  x{ ~