![]() Rayotek Scientific Rayotek Scientific is a company that specializes in the design, engineering, and manufacture of products made from sapphire, glass, fused quartz, and fused silica. | ![]() GT Advanced Technologies GT Advanced Technologies (GTAT) is a company that produces crystal materials for advanced semiconductors, high energy lasers as well as aerospace and defense. | ||
Founding Date | Founding Date 1982 | Founding Date 1992 | Founding Date 1994 |
Type | Type Subsidiary | Type Subsidiary | Type Subsidiary |
Tags | |||
Locations | Locations Burlington, US HQ Buffalo, US Murrieta, US | Locations San Diego, US HQ | Locations Hudson, US HQ Shanghai, CN Hong Kong, HK Taiwan, TW Missoula, US Salem, US |
Employees | Employees 34 | Employees 23 | Employees 553 |
Operating ⚠ | |||
Product Categories | Product Categories 6 (Aug, 2020) | Product Categories 2 (Jun, 2024) | Product Categories N/A |

Rayotek Scientific is a company that specializes in the design, engineering, and manufacture of products made from sapphire, glass, fused quartz, and fused silica.
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GT Advanced Technologies (GTAT) is a company that produces crystal materials for advanced semiconductors, high energy lasers as well as aerospace and defense.
View company