Arsenic-free glass could help Corning stay ahead in LCD-TV market

Date: 22 March 2006
Source: Newsday.com

Date: 22 March 2006

Newsday.com reported that a heavy metal-free glass developed by Corning Inc. will trim production and recycling costs at a time when prices for the super-thin screens used in liquid-crystal-display televisions are falling more sharply than ever.

The Eagle XG glass is the first in the LCD industry to be completely free of arsenic as well as other heavy metals such as barium and antimony and halides like chlorine and fluorine that can produce potentially harmful byproducts during manufacturing, the company said Tuesday.

"This is one of the most significant glass inventions in a generation," Peter Bocko, Corning's director of display-technology research, said in a telephone interview. "It reduces the overall cost all the way from digging stuff out of the ground to the end of life of the display."

Arsenic "is really a magic element to melt a high-temperature, high-performance glass and get it free of bubbles," Bocko said. "Even an exquisitely small bubble of glass in an LCD screen can actually destroy it and you have to throw it out.

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