TOKYO OHKA KOGYO CO., LTD. (TOK) provides chemical products, such as photoresist, and equipment for semiconductors and displays.

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3D-Packaging Field


Proposing a new semiconductor manufacturing technology,
i.e., multi-layer stacking.

Presenting a new direction for the physical limits of miniaturization and proposing a new semiconductor manufacutring technology, i.e., multi-layer stacking, that promises better production efficiency

Zero Newton Materials

  • Adhesive materials
    • TZNR A series
  • Thinners to remove adhesive materials
    • TZNR thinner