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This paper demonstrates fundamental evaluation results of a C-band rectifier using Si substrate for HySIC application. Usage of the Si substrate is attractive for future integration with other mixed signal circuit. Because of large loss tangent of the Si substrate, applicability as a circuit substrate to the C-band rectifier is discussed. Two types of the rectifier, conventional printed circuit board...
A MEMS electret generator for energy harvesting applications has been developed and its performance is examined in a series of experiments. In addition, an autonomous wireless sensor powered by the electret generator combined with a microwave wireless power transmission is proposed for the space transmission system.
A novel design of double-pole double-throw (DPDT) RF-MEMS switch for 12-GHz phase shifter has been developed to minimize the electrical crosstalk between the signal waveguide and electrostatic actuator by allocating them in separate layers of an SOI wafer. Compared with the previous other reports, our design can use relatively large area on the chip to accommodate more electrostatic actuator and to...
Rewritable compact discs (CDs) using magnetooptical (MO) materials have been developed. The disks were prepared by depositing Si3N4, TbFeCo alloy, Si3N4 and Al films on polycarbonate substrates using a magnetron sputtering system. Sputter etching was carried out for the Si3N4 layer proir to depositing the magnetic layer, with the very interesting result that the external magnetic field sensitivity...
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