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In this paper we discuss the development of a novel polishing pad, and polishing experiments on wafers. The phyllotaxis theory of biology was used to position tin alloy blocks which contained fine diamond abrasive grains on the pad surface. The effects of phyllotactic pattern properties were simulated, and are discussed in detail. Prototype pads were fabricated by use of screen-printing technology...
In this paper, we discuss the developments of a novel dimples journal bearing and the experimental results on friction performance. Based on the phyllotaxis theory of biology, the lubricating dimples were positioned in the internal circle surface of the journal bearing. The effects of phyllotactic pattern parameters on the distribution of these dimples were discussed in detail and simulated. A series...
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