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Enhanced wafer alignment metrology capability coupled with market-leading GEMINI(R) FB system creates closed-loop fusion wafer bonding solution to enable high-density TSV devices.

EV Group (EVG), a leading supplier of wafer bonding and lithography equipment for the MEMS, nanotechnology and semiconductor markets, introduced the latest version of its EVG(R) 40NT automated measurement system, which is designed to work in concert with the company's GEMINI(R) FB fusion wafer bonding system to support the manufacture of next-generation 3D-integrated CMOS image sensors. The enhanced EVG40NT measures wafer-to-wafer alignment accuracy to within 40 nm (3 sigma), while its seamless software integration with the GEMINI FB provides a closed-loop fusion bonding control system that enables the manufacture of ultra-fine-pitch (less than two micron) through-silicon vias (TSVs). These tighter specifications are necessary for enabling the production of 3D-integrated image sensors, and pave the way for accelerating 3D-integration with other device types, such as stacked memory.


"EV Group's GEMINI FB fusion wafer bonding platform is the de facto industry standard for CMOS image sensor production, and already leads the industry in wafer-to-wafer alignment accuracy due to our proprietary SmartView(R) alignment technology," stated Dr. Thorsten Matthias, business development director at EV Group. "The integration of GEMINI FB with the enhanced EVG40NT brings statistical process control and alignment accuracy to a whole new level, and pushes 3D-IC manufacturing to new limits. High-precision manufacturing requires accurate metrology that is seamlessly integrated into the process to enable real-time monitoring and fast corrective action. In the case of wafer bonding, measuring and mapping each die gives valuable insight into local stress variations created during upstream processes, which can cause distortions and local misalignments further downstream."



Amantys announced that Avago, a leading supplier of analog interface components for communications, industrial, and consumer applications, has invested $5M in power electronics innovator Amantys as part of a strategic investment agreement between the two companies.

Commenting on the investment, Amantys Chairman Pete Magowan said: "Attracting Avago as a strategic investor is a significant endorsement of the progress at Amantys and a great match for exploiting our vision for the future of the power electronics industry."

 “The company can now accelerate critical IGBT driver development programs to enhance our roadmap of innovative, cost effective gate drive solutions.”

 As part of the investment, Martin Weigert, Avago’s GM Industrial Fibre Products, will join the Amantys board as a non-executive director.

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