Advanced Ceramics / Ceramic Industry News

AGC Introduces Synthetic Quartz Materials

Asahi Glass Co. Ltd. (AGC) announced it will begin sales of large-size quartz photomask substrates for thin film transistor (TFT) liquid crystal displays (LCDs).

AGC Electronics Co. Ltd. will begin the production in 2011, aiming for sales of ¥3 billion (~ $36.9 million) in 2014. In the patterning process, which is a part of the overall manufacturing process for TFT LCD panels, light is irradiated on synthetic quartz glass called a photomask. Through exposure to the light, the microscopic pattern such as an IC pattern printed on the photomask is transferred on a glass substrate to form a TFT circuit or color filter. To accurately project a circuit pattern, synthetic quartz glass must not contain any defects, distortion, or impurities. Based on fine glass, fine chemical and other technologies, AGC has elaborated synthetic quartz production/processing technology for semiconductor manufacturing.

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