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Phosphoric acid

  • #Semiconductor wafer
  • #TFT-LCD
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Primary materials required for semiconductor production

High purity phosphoric acid is essential in wafer etching processes during semiconductor processes.
OCI is the largest high purity phosphoric acid producer in Korea and provides a stable supply of high purity phosphoric acid to leading semiconductor companies at home and abroad.

반도체 웨이퍼

Semiconductor wafer

TFT-LCD

TFT-LCD

  • 건식 제조법
    Dry process

    A manufacturer of semiconductor-grade phosphoric acid using the dry process

  • 앞선 기술력
    Advanced technology

    Low metal content with consistent quality

  • 1. Supply of
    raw materials

    OCI supplies high purity phosphoric acid

  • 2. Processing
    companies

    Semiconductor manufacturers

  • 3. Final products

    Smartphones, servers, automobiles