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AGC develops 0.1-mm sheet float glass

Posted: 24 May 2011 ?? ?Print Version ?Bookmark and Share

Keywords:float process? thin sheet glass? next-gen displays?

Asahi Glass Company Ltd (AGC) has developed a 0.1-mm thin sheet glass manufactured using a float process that the company claims is the world's thinnest sheet glass. The glass is designed for next-generation displays, lighting, and touch panel screens.

AGC's alkali glass manufacturing method lets glass float over molten metal to produce highly uniform glass.

The company has a 20-year history producing thin sheets of glass. Only in April, the company announced glass sheets of 0.28 mm thick soda-lime glass substrate for touchscreens. Soda-lime glass is composed mainly of silicon dioxide, sodium oxide, and calcium oxide, and is used widely in construction, automotives, and many types of electronic devices.

The 0.1 mm sheets are alkali-free glass, composed mainly of silicon dioxide, boron oxide, and aluminum oxide, is free of alkaline elements such as sodium and potassium, and is used widely as substrates for TFT-LCD and OLED.

Toshiro Ueda, general manager of corporate communications and investor relations, said the glass is being investigated by car manufacturers for use in dashboards but declined to name those interested.

Ueda claims that, "Our achievements in thin durable glass has attracted many other application areas, especially for increasingly thin and energy saving displays and OLED lighting."

Thin sheet glass is expected to be used in such products due to its flexible shaping and light weight, as well as basic characteristics of glass such as transparency, electrical insulation and resistance to heat, chemicals and gases.

- Nicolas Mokhoff
??EE Times

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