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Thermal Technology Launches Crystal Grower

Photonics.com
Dec 2010
SANTA ROSA, Calif., Dec. 13, 2010 — High temperature furnace systems and crystal growth equipment manufacturer Thermal Technology announced the commercial availability of its 90 kg Kyropoulos sapphire crystal grower.


A 90 kg Kyropoulos sapphire crystal grown in Thermal Technology’s Model K1 crystal grower. (Photos: Thermal Technology)

The company has several systems currently in use at a customer’s facility, which is producing crystals grown in the Kyropoulos method that measure 250 mm in diameter and 400 mm in length.


The company’s K1 Kyropoulos crystal grower.

The crystals are grown in the company’s model K1 Kyropoulos crystal grower, which is suitable for LED substrate production. The company began its development of the K1 in 2009, with successful development since then. It has received orders worldwide, and to satisfy the high demand, the company has ramped up tool production to ship systems out weekly.

“The unique crystal size and tool capability are quickly making Thermal Technology the industry leader in this market sector,” said Matt Mede, president and CEO of the company. “By rapidly achieving a status on par with other long-established producers, we have proven the superiority of our unique design which includes multiple, independently-controlled heating elements, weight sensors to determine the crystal’s growth rate and computerized control and data logging.”

Suitable for many high technology applications, sapphire crystals can be used as substrate wafers for high brightness blue and white LEDs. The LEDs can be used in many forms, including traffic lights, backlighting for flat panel displays of computer monitors, televisions and cell phones, and for common lighting applications such as street lights and household bulbs.

For more information, visit: www.theramltechnology.com



GLOSSARY
backlighting
The forming of a clear silhouette of an object by placing a light source behind it. Used in machine vision when surface features of an object are not important.
crystal
A solid with a structure that exhibits a basically symmetrical and geometrical arrangement. A crystal may already possess this structure, or it may acquire it through mechanical means. More than 50 chemical substances are important to the optical industry in crystal form. Large single crystals often are used because of their transparency in different spectral regions. However, as some single crystals are very brittle and liable to split under strain, attempts have been made to grind them very...
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