Masakazu Asaba

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This paper presents analytical investigation on polishing pressure distribution in Chemical Mechanical Polishing (CMP) process. In general, the polishing pressure is distributed unevenly around a wafer edge. This uneven distribution is essentially due to discontinuous contact of a wafer against a polishing pad. An edge profile of the wafer and nonlinear(More)
The Gen-Probe Amplified Mycobacterium Tuberculosis Direct Test (MTD) is a rapid test for the detection of Mycobacterium tuberculosis, utilizing the rRNA amplification method. For assessing the reliability and reproducibility of the method, a co-operative blind study was conducted among 6 laboratories. Materials for test were sputum and water samples(More)
In a series of 335 renal transplant recipients, 28 patients underwent parathyroidectomy due to secondary hyperparathyroidism. Twenty patients were operated on prior to renal transplantation, 8 subsequent to it. Solitary adenomas were found in 6 cases, diffuse hyperplasia in 22. Fifteen of the patients with diffuse hyperplasia underwent total(More)
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