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RISS 인기검색어
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- 저자 : Subbaraman, Harish (검색결과 2 건)
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Printed photonic elements: nanoimprinting and beyond
Zhang, Cheng,Subbaraman, Harish,Li, Qiaochu,Pan, Zeyu,Ok, Jong G.,Ling, Tao,Chung, Chi-Jui,Zhang, Xingyu,Lin, Xiaohui,Chen, Ray T.,Guo, L. Jay Royal Society of Chemistry 2016 Journal of Materials Chemistry C Vol.4 No.23
<P>In order to manufacture large-scale photonic devices of various dimensions at a low cost, a number of patterning techniques have been developed. Nanoimprint lithography is among the most promising given its unique advantages, such as high resolution, fast processing speed, high throughput, compatibility with diverse materials, and low cost. This review covers various aspects of nanoimprint lithography, including its operational principles, material requirements, and different ways of implementation. Nanoimprint lithography facilitates numerous high-performance and low-cost photonic elements, including optical interconnects, sensors, solar cells, and metamaterials. In addition, other related patterning techniques, together with their utilization for photonic device fabrication and their integration with nanoimprint lithography, are briefly discussed.</P>
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IEC Control Specification to HDL Synthesis
Manish M. Patil,Shaila Subbaraman,Prashant S. Nilkund 제어로봇시스템학회 2010 제어로봇시스템학회 국제학술대회 논문집 Vol.2010 No.10
Today’s machine automation systems are demanding for better throughput, faster response, built in safety features and high speed communication support, besides satisfying IEC61131-3 control specification. MEMS sensors & actuators along with increased control logic complexities are stretching limits of conventional Programmable Logic controllers (PLCs) generally used for industrial and high end application control. This is because PLCs are implemented using sequential controllers. Throughput, response time, complex operation and flexible expansion in such case get limited due to typical fetch, decode and execute cycle. Field programmable Gate Arrays (FPGAs) which architecturally can satisfy these requirements, are proposed in the literature as prospective devices to implement PLCs. However, these devices have not been commonly accepted by control & automation industry. One of the important factors is difficulty in understanding FPGA design flow and its design specification standard. Currently, there is no proven interface available in the market to bridge between IEC control specification and FPGA design specification. Authors of this paper have thought over of developing such interface to open up benefits from VLSI design to control and automation domain. The issues and considerations for developing such interface are discussed in this paper. As this is multidisciplinary work, and not much work has been done in this area, possible research opportunities are discussed along with validation platform considerations.
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