Comprehensive and compact test patterns are crucial to the development of new semiconductor
technology. In particular, the random nature of routing layers tends to create many hotspots, corresponding to patterns which are difficult to predict. Conventional group of test patterns consists of parametric typical patterns and real layout clips, which contain a lot of redundancy. The paper addresses a problem of generating comprehensive yet compact group of test patterns for random routing layers. A new method of pattern extraction and classification is proposed to solve the problem.
The PbSe nanocrystals were synthesized without impurity from lead oleate and Se(TOP) by heating in phenyl ether. The particle size increases the synthesis temperature. The PbSe QD / PPA nanocomposite was made with the synthesized PbSe nanocrystals and the amine-containing PPA polymer by using the ligand exchange method. The PbSe nanocrystals were well dispersed in the PbSe QD / PPA nanocomposite. The PbSe QD / PPA nanocomposite film has the broad PL peak around 1300 nm with FWHM of ~ 170 nm. The time constant in the PbSe QD / PPA nanocomposite film is as slow as ~ 150 ns. We investigated the structures of the developed PbSe QD / PPA nanocomposite film as well as their optical properties, and then suggested their photonic applications.
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