On July 3, Yuanfang Optoelectronics released the company's “2012 semi-annual performance forecastâ€. The expected performance of Yuanfang Optoelectronics is “coming in the same directionâ€.
Yuanfang Optoelectronics expects net profit attributable to shareholders of listed companies in the current period to be 35.46 million yuan - 40.52 million yuan, an increase of 5% - 20% over the same period of the previous year of 33.77 million yuan. The company said that this performance forecast is the result of preliminary calculations by the company's finance department. The specific financial data company will disclose it in detail in the 2012 semi-annual report.
HDI circuit board is a circuit board with high circuit distribution density using micro-blind and buried via technology.The HDI board is divided into inner layer circuit and outer layer circuit, and the internal connection of each layer circuit is realized by drilling and metallization.
Therefore, the higher the application of HDI technology, the higher the manufacturing level of the laminate. Ordinary HDI boards are laminated once, and high-end HDI uses two, three or more lamination processes, as well as electroplating fill holes, stack holes, laser direct drilling, etc.
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