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A nano size single-mode waveguide for a silicon optical modulator was designed using the effective index method (EIM). The width of the waveguide was 350 nm for single-mode operation and the calculated optical confinement was 95.9%. The waveguide was fabricated on silicon-on-insulator (SOI) using e-beam lithography. The measured optical characteristics of the waveguide showed a propagation loss and...
Disassembly leveling, one of disassembly process planning decisions, is to determine disassembly structures that specify parts/subassemblies to be obtained from used/end-of-life products, and disassembly lot-sizing is the problem of determining the amounts of disassembly operations required to satisfy the demands of their parts and/or subassemblies. In this study, we consider the two problems at the...
We consider disassembly leveling and scheduling for multiple product types with parts commonality. Disassembly leveling, one of disassembly process planning decisions, is to determine disassembly structures that specify parts and subassemblies to be obtained from used/end-of-life products, and disassembly scheduling is the problem of determining the timing and quantity of disassembling products and...
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