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27 November 2013

Soitec and SunEdison enter into SOI patent cross-license agreement

Soitec of Bernin, France, which makes engineered substrates - including silicon-on-insulator (SOI) wafers and III-V epiwafers - and silicon wafer manufacturer SunEdison Inc of St. Peters, MO, USA have entered into a patent cross-license agreement relating to SOI wafer products. The agreement provides each firm with access to the other’s patent portfolio for SOI technologies and ends all outstanding legal disputes between the companies.

“This agreement represents a key milestone in the continuing development of a strong supply chain in the SOI ecosystem,” reckons Christophe Maleville, senior VP of Digital Electronics Division of Soitec. “It also demonstrates the key role of SOI substrate technology for the current and future CMOS device roadmap,” he adds.

“SunEdison has been a leading silicon substrate innovator for over 50 years with a strong patent portfolio,” states Horacio Mendez, VP of Semiconductor Advanced Solutions at SunEdison. “This cooperation adds to SunEdison’s current SOI product capability and enhances the ability of both companies to provide more compelling SOI solutions to our customers.”

The agreement provides access to a portfolio of patents from both companies and covers the manufacturing of existing engineered unpatterned handle-substrates such as partially depleted SOI (PD-SOI), fully depleted SOI (FD-SOI) and radio-frequency SOI (RF-SOI) as well as advanced FinFETs.

In addition to the current technologies covered by the agreement (including applications beyond the 10nm node), Soitec and SunEdison have agreed to grant each other the right to use their respective patents for R&D purposes. This will allow the firms to develop products in which the device layer is made of a semiconductor material other than plain, non-strained silicon, such as a silicon-germanium compound, germanium or III-V materials, enabling the fabrication of high-mobility channels for advanced-generation digital applications.

Tags: Soitec SOI engineered substrates

Visit: www.soitec.com

Visit: www.sunedisonsilicon.com

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