Tokyo Ohka Kogyo Co., Ltd. (TOK) provides chemical products, such as photoresist, and equipment needed to manufacture semiconductors and flat panel displays (FPD).

LCD Materials

• Photoresist for TFT Etching Process
• Photoresist for ITO of STN Etching Process
• Photoresist for Cr of Color Filter Etching Process
• Pigment Dispersed Photoresist for Forming Black Matrix of Color Filter
• Material for Planarization
• Under-Coat / Over-Coat Material for TN / STN

PDP Materials

• Dry Film Resist for Barrier Rib Forming Sand-Blast Process
• Dry Film Resist for ITO Etching Process
• Photo-Phosphor Paste
• Photo-Vehicle

FED Materials

• Photoresist for Forming Electrode

Organic ELD Materials

• Photoresist for Forming Cathode Separator (Reverse Taper Shape)
• Photoresist for Forming Insulator
• Photoresist for Electrode Etching Process

CRT Materials

• Lift-Off Photoresist for Forming Black Matrix

Other Products for Flat Panel Display

• Stripping Solution(Water-Soluble, Non-Chlorine Group Solvent)
• Thinner(Edge Bead Removing / Back Rinsing / Cup Cleaning)
• Photoresist Developing Solution

Coater for TFT / Color Filter Process

• Spinless^™ Coater System
  (Applicable to 1,100 by 1,300mm class substrate)
• Coat & Spin^® Coater System
  (Applicable to 1,100 by 1,300mm class substrate)
• Coat & Spin^® Coater / Developer System
  (Applicable to 1,100 by 1,300mm / 730 by 920mm class substrate)
• Coat & Spin^® Coater System
  (Applicable to 730 by 920mm / 650 by 750mm / 450 by 550mm / 370 by 470mm class substrate)

Process Equipment

Semiconductor & LCD Equipment Marketing Division
TEL. +81-44-435-3001 FAX. +81-44-435-3021

Materials

Display Material Marketing Division
TEL. +81-44-435-3002 FAX. +81-44-435-3022

* Business Hours 8:45 - 12:00 13:00 - 17:30 in Japan
(Except for Saturday, Sunday, National Holidays and Our Company Holidays)