Rubicon Technology Rubicon Technology is a company that manufactures monocrystalline sapphire products. | ![]() 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 2001 | Founding Date 1992 | Founding Date 1994 |
Type | Type Public | Type Subsidiary | Type Subsidiary |
Tags | |||
Locations | Locations Bensenville, US HQ | Locations San Diego, US HQ | Locations Hudson, US HQ Shanghai, CN Hong Kong, HK Taiwan, TW Missoula, US Salem, US |
Employees | Employees 375% decrease | Employees 23 | Employees 553 |
Funding | |||
Total funding raised | Total funding raised $ 25.5m | Total funding raised N/A | Total funding raised $ 83.6m |

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.
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