T. Ishizaki

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Polyfunctional silanes were designed to promote the formation of a stable multisilane layer on the silica surface. The hydrolytic stability of polyfunctional silanes at the interface between silica and polymeric resin was investigated using conventional tensile testing. The specimens were immersed in boiling water and a decrease was observed in the tensile(More)
Power cycle reliability of Cu nanoparticle joint has been studied for high temperature operation of power devices. Al2O3 heater chips and Cu–65 wt% Mo baseplates were joined by Cu nanoparticles and Sn–0.7Cu and power cycle tests of 65/200 C and 65/250 C were carried out on the joints. The Cu nanoparticles were prepared by reducing Cu carbonate in ethylene(More)
CrispORB is a high performance CORBA that enables low-latency request d e h e m j among cluster nodes connected with System. Area Nctwork(SAN) and provides a comm.an.ication infrastructure for large-scale and high-uohme cluster system. construction with distributed objectoriented components. Com,pnred with standard IIOP ORBS, CrispORB is be able t o reduce(More)
We present a design method and analysis for a vertical split ring resonator (SRR). Furthermore, we propose an unbalanced-balanced filter using vertical SRRs. First, we explain vertical SRR with a stepped impedance resonator (SIR) using virtual ground. The resonance frequency is theoretically derived based on asymmetric coupled transmission lines. The(More)
Systematic experiments have been performed to characterize defect structures in deformed Gum Metal, a special titanium alloy with high strength, low Young’s modulus, excellent cold workability and low resistance to shear in certain crystallographic planes. Results from high-resolution transmission electron microscopy characterization reveal nanodisturbances(More)
We have made various measurements on four different types of Hybrid PhotoDiodes (HPDs) with and without magnetic fields. We confirmed that all the four HPDs were operational with a magnetic field with a strength of at least 1.5T if the device axis was adjusted approximately parallel to the magnetic field direction. Origins of the gain variation in magnetic(More)