US sapphire substrate supplier Rubicon Technology, Inc. has recently sold 400,000 6-inch sapphire wafers in the LED and Silicon-on-Sapphire (SoS) RF IC market. .
The company's sapphire is used primarily in LED general lighting and leading consumer products such as HDTV, notebook computers, smartphones and tablet computer backlighting technologies. Another important market is Silicon-on-Sapphire (SoS) radio frequency integrated circuits (RFICs).
The company's sapphire is used primarily in LED general lighting and leading consumer products such as HDTV, notebook computers, smartphones and tablet computer backlighting technologies. Another important market is Silicon-on-Sapphire (SoS) radio frequency integrated circuits (RFICs).

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