Injection molding relies on the correct identification for the timing of the transfer from injection velocity control to packing pressure control with a production of a quality article. Problems with the criteria used in current procedures include: leakage of melt and variations in melt temperature.....
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A new technology for measuring liquid crystal (LC) cell properties is invented. Optical properties and characteristics of LC cells including cell gap, twist angle and rubbing directions of a liquid crystal cell can therefore be measured. They are important parameters for the operation of a liquid .....
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A novel endoscopic imaging system for diagnosis of early cancer is described. Optical spectroscopy has been widely used in chemical analysis of biological samples. Since the mid-80s, the use of this technology for tissue classification has become a new approach in non-invasive medical diagnostics......
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