Oct 25, 2013

New Types of Glass

At a recent industry show, Nippon showed off some new glass that is amazing. It first seemed like a joke as a sign said "Invisible glass" with arrows pointing into thin air. Visitors were asked if they could see the glass and many could not. There really was glass, but it didn't become apparent until viewed from the side. The glass reflects just 0.08 percent of the light that travels through it. A normal sheet of glass reflects about 4 percent of light. Nippon Electric Glass said it is targeted at museums where items need to be displayed, but protected.

It also showed off G-Leaf glass, which is so thin and flexible that it is supplied on a roll to customers. It looks exactly like a roll of plastic film, but the 35-micron thick sheet is actually glass. It has been used in flexible display panels and can be gently curved around corners.

Nippon also showed the impact resistance of its chemically strengthened glass that is already used in smartphones and tablet PCs. A sheet of Zero glass was on display and every thirty seconds a one pound steel ball dropped from a height of three feet onto a sheet of the glass the size of a small TV screen. Every time the ball fell, it bounced off the glass with no damage to the glass. Sorry, no picture available for the invisible glass.

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