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We propose an asymmetric write algorithm of step-down set/step-up reset without verify for the first time. The demonstration is carried out on a 128Kb test macro of AlOx/WOx bi-layer ReRAM fabricated based on 0.18µm logic process. The set and reset energy per bit are reduced by 34% and 20% respectively. The set and reset access time decrease by 54% and 32% respectively. The mean value of endurance...
Buried electrodes SAW resonators on lithium niobate suffer from transverse mode spurii even if the acoustic velocity inside the resonator is faster than the acoustic velocity outside the resonator (i.e. when a ‘waveguiding’ condition is not established). In practical devices, the electrode end gaps play an important role since they constitute a very fast region and reflect the acoustic waves creating...
This paper presents a prototype for an instrumented sorting block box designed for large-scale use in medical centers. A preliminary experiment was performed with unimpaired adults. Low-cost force sensors located under the top lid and realtime data processing allowed us to accurately estimate the position of the block. The data extracted from these sensors was used to develop and calculate suitable...
High coupling substrates using overcoat layers of silicon oxide for temperature compensation exhibit a strong affinity toward multi-mode behavior. Apodization, which is the standard technique to suppress the transverse modes, suffers from drawbacks such as reduction of the transduction efficiency and additional losses. By changing the transducer layout, the guiding can be improved and a “piston mode”...
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