Nano-electronics research center Imec and Nova Measuring Instruments, a leading innovator and key provider of metrology solutions for advanced process control used in semiconductor manufacturing, announced today at SPIE advanced lithography conference that they are jointly developing an innovative scatterometry approach to enable SAQP process control. The initial results will be presented during the conference.
As 193nm immersion lithography is reaching its optical resolution limit using single exposure, advanced multipatterning concepts are studied to reach lower nodes. Targeting the N7 node, self-aligned quadruple patterning (SAQP) is an advanced patterning approach that uses pitch splitting to extend the capability of double patterning (SADP) 193nm immersion lithography. Nova and imec jointly developed an approach based on scatterometry technology to determine the main contributors to the CD (critical dimension) variation between different populations of lines and spaces. Using parallel interpretation of multiple scatterometry targets with slightly variable pitches, the researchers revealed that scatterometry is capable of measuring different space populations, and the developed metrology solutions can be utilized to monitor and control each process step of SAQP patterning.
“Collaborating with Nova has enabled us to develop a method to improve process control in SAQP for the most advanced nodes,” said An Steegen, senior vice president process technology at imec. “Such collaboration is helping the entire semiconductor industry to lower risks and shorten the time to market for the next generation technologies by delivering innovative metrology solutions for the key process control challenges ahead.”
“We are excited with the opportunity to collaborate with imec, join its Affiliation Program, and demonstrate the value of our optical CD for early R&D stages,” said Dr. Shay Wolfling, Nova’s CTO. “We believe that the growing process challenges arising from the advance technology nodes require close partnership between research centers, customers and vendors, and this is part of Nova’s stated long-term strategy. Such collaboration with imec, early in the development cycle, allows us to align our technology roadmap accordingly and contribute to our customers’ success.”
Nova Measuring Instrument Ltd (novameasuring.com) delivers continuous innovation by providing advanced metrology solutions for the semiconductor manufacturing industry. Deployed with the world’s largest integrated-circuit manufacturers, Nova’s products deliver state-of-the-art, high-performance metrology solutions for effective process control throughout the semiconductor fabrication lifecycle. Nova’s product portfolio, which combines high-precision hardware and cutting-edge software, supports the development and production of the most advanced devices in today’s high-end semiconductor market. Nova’s technical innovation and market leadership enable customers to improve process performance, enhance products’ yields and accelerate time to market. Nova acts as a partner to semiconductor manufacturers from its offices around the world.
Imec (imec.be) performs world-leading research in nanoelectronics. Imec leverages its scientific knowledge with the innovative power of its global partnerships in ICT, healthcare and energy. Imec delivers industry-relevant technology solutions. In a unique high-tech environment, its international top talent is committed to providing the building blocks for a better life in a sustainable society. Imec is headquartered in Leuven, Belgium, and has offices in Belgium, the Netherlands, Taiwan, USA, China, India and Japan. Its staff of about 2,200 people includes almost 700 industrial residents and guest researchers. In 2014, imec's revenue (P&L) totaled 363 million euro.
Imec is a registered trademark for the activities of IMEC International (a legal entity set up under Belgian law as a "stichting van openbaar nut”), imec Belgium (IMEC vzw supported by the Flemish Government), imec the Netherlands (Stichting IMEC Nederland, part of Holst Centre which is supported by the Dutch Government), imec Taiwan (IMEC Taiwan Co.)and imec China (IMEC Microelectronics (Shanghai) Co. Ltd.) and imec India (Imec India Private Limited).
Dror David, Chief Financial Officer Nova Measuring Instruments Ltd
T: +972-73-229-5760 - E: info[.]novameasuring.com.
Investor Relations Contacts: Miri Segal - MS-IR LLC
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Brett Maas - Hayden
T: +1 646-536-7331 - E: brett[.]haydenir.com.
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