Advanced Sapphire Furnace

The GT Advanced Technologies advanced sapphire furnace (ASF™) is the ideal platform for producing high-quality, large-area sapphire substrates for markets that demand the highest grade sapphire material such as high brightness LEDs and other specialty industrial markets. Based on 40 years of proven sapphire production and crystalline growth process technology, the ASF combines a highly automated, low risk operating environment capable of producing consistently uniform sapphire boules that yield high quality material for a lower cost of ownership.

Proven Productivity and Superior Yields Deliver High Profitability

The sapphire material produced in the ASF furnace is grown in a low thermal gradient, low stress environment that consistently produces high quality material ideally suited for high brightness HB LED applications and other specialty industrial markets. The ASF provides a low-risk path to high volume sapphire production and a high return on your investment.

Key Product Advantages

  • Fast A-axis, bottom-up growth producing high quality, low stress sapphire material
  • Short cycle times <18 days for 100 Kg boule*
  • Annual production capacity >100,000 TIE per furnace
  • Scalable architecture offers investment protection
  • Based on 40 years of proven sapphire material production
  • Flexibility in crucible geometry and charge size to meet wide range of customer requirements
  • Highly automated growth process with no moving parts for low cost, low risk operations
  • Easy seeding process

*Using GT Advaced Technologies qualified feedstock and crucible

Growth Begins Here - LED Sapphire Manufacturing

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