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AbslracL We presenl results for lhe Auclualion paramndunivity and magnelomnduclivily for a singlecryslal sample of YBa,Cu,O~-~.Bolh the paraconductivity and magnetoconductivity dala are filled lo existing theories of the Aslamazov-Larkin and Maki-Thompson mnlribulions 10 the fluctuation conduclivity. The presence of a Maki-Thompson mntribulion in the paramnductivity and magnelomnduclivily would suggesl that lhe pairing mechanism is convenlional s-wave pairing.

It has been demonstrated that an elliptically-shaped laser beam with an elliptical ratio of 20 can be successfully used to obtain a melt width as large as 160 µm. We also discuss an interesting experimental result in which the growth length of a single crystal from the seeding region on (100) Si substrates is larger in the scanning direction along <110> than along <100> in a lateral seeding process.

Experimental and simulation studies of thermal flow of borophosphosilicate and phosphosilicate glassesA new fabrication process for solid-state imagers based on the borophosphosilicate glass (BPSG) flow has been developed. It was found that wen-designed tapered steps can be obtained even at low temperatures with the use of BPSG, which can be cleaned in a hot NH 4 0H!H 2 0 2 iH 2 0 solution.As a result, a solid-state imager fabricated using the above process is characterized by satisfactory shapes of tapered steps made of intermediate oxide which give complete metal interconnect lines.