GT Advanced Technologies Presenting at Strategies in Light Conference

  GT Advanced Technologies Presenting at Strategies in Light Conference

Business Wire

NASHUA, N.H. -- February 14, 2013

GT Advanced Technologies (NASDAQ: GTAT) will be presenting at the 2013
Strategies in Light Conference, which runs from February 12-14 in Santa Clara,
CA. GT’s Dr. David Joyce, who is Sapphire Wafer Task Force co-chair of the
SEMI HB-LED Technical Committee, will present an update on the progress being
made in establishing standards for the manufacturing of LEDs. Dr. Joyce’s
presentation will focus on the role standards play in establishing a
collaboratively driven technology roadmap to lower costs and drive further
innovation in the manufacturing of LEDs.

GT has played a leadership role working with its industry peers to drive the
evolving standards for LED manufacturing. The SEMI HB-LED Standards Committee
on Sapphire was created in late 2010 to bring together industry leaders
throughout the LED value chain to establish standards related to sapphire
substrates. Their initial work resulted in the publication last year of the
SEMI HB1 standard for 150 mm sapphire substrate wafers with input from
representatives throughout the LED supply chain from North America, Europe and
Asia. The HB-LED Wafer Task force is currently developing further refinements
to the HB1 standard. Continued development of this standard is important to
the ongoing trend of lower costs and quality improvements necessary for the
sustained development of the LED industry.

About GT Advanced Technologies Inc.

GT Advanced Technologies Inc. is a diversified technology company with
innovative crystal growth equipment and solutions for the global solar, LED
and electronics industries. Our products accelerate the adoption of new
advanced materials that improve performance and lower the cost of
manufacturing. For additional information about GT Advanced Technologies,
please visit


GT Advanced Technologies
Jeff Nestel-Patt, 603-204-2883
GT Advanced Technologies
Ryan Blair, 603-681-3869
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