LED chip Dachang Jingdian (2448) The relevant person in charge recently attended the analysis of the current situation of the development of LED industry in the two sides of the Taiwan Strait. As the new production capacity of the upstream sapphire single crystal will be released in Q2 in 2011, the 2011 sapphire single crystal offer will not As big as in 2010, it is estimated that prices will loosen in May and June 2011 and fall in the second half.
Powell prism is a kind of optical prism, which can optimally divide the laser beam into a straight line with uniform optical density, good stability and good linearity after passing through it. The scribing mode is better than the Cylindrical Lens and can eliminate the central hot spot and faded edge distribution of the Gaussian beam.
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