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In this work we reported ET (electrical testing) failure case studies related to the process drift of barrier metal deposition (BM) during W via/CA process loops. We presented detailed TEM failure analysis in order to understand the failure mechanism and root cause behind the high via/CA resistance. We demonstrated the importance of TEM characterization and identification of key physical failure signatures...
In this work we reported a case study onET(electrical testing) failure with via high resistance issue. In order to understand the failure mechanism and rootcause behind the high via resistance, detailed TEM(transmission electron microscope) analysis wasperformed by using various TEM FA (failure analysis)techniques, including EDX, EELS analysis. It was foundout that high via resistance arose from the...
Bombyx mori nucleopolyhedrovirus (BmNPV) is the primary pathogen affecting B. mori. This virus could be combated via RNAi of BmNPV genes in transgenic silkworm. However, several factors may affect the resistance of transgenic RNAi silkworm, such as the connection pattern of gene fragments and spacers (“head to head” or “tail to tail”), and the selection of promoters and target genes. In this study,...
This paper presents an implementation of a radio frequency wave energy harvester with the capability of self-adjusting the matching network to adapt to changing load conditions. An auxiliary charge-pump is designed to supply the power for the supplemental control unit. The design is implemented in a standard 0.13-µm CMOS process. The results show that the power transfer efficiency with using the proposed...
This paper presents the necessity and potential of using tunable matching network in UHF RFID transponders. A compact I/V model for diode-connected MOSFET in strong inversion and sub-threshold regions, which is based on the UMC 0.13-??m technology, is utilized to analyze the influence of the dynamic load to the performance of the power harvesting circuit. A direct dependence of the voltage sensitivity...
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