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Optical Module HDI PCB product characteristics
1. Fiber optic circuit board ultra small board (3-5 square centimeter);
2. High precision, small board of optical fiber circuit board also need to package IC, some high-level also have blind buried hole or even HDI (some are HDI second-order)
3. Shape attached and tolerance strict, fixed iron shell, small card is not tight, big can not put in. (controlled according to the third level standard)
4. PCB optical fiber board adopts long and short gold finger technology.
5. Rogers and Panasonic M6 materials are commonly used in optical fiber PCB board.
Optical Module HDI PCB
Optical module is composed of optoelectronic devices, functional circuits and optical interfaces. Optoelectronic devices include two parts: transmitting and receiving.
5g access network architecture will become a three-tier cu-du-aau architecture, and the demand for optical modules will be further increased. It is predicted that the total demand of 5g front and middle transmission modules in China is about 40.8 million and 13.6 million, which is 2.67 times of the demand in 4G era.
5g will boost the demand of nearly 250 million core km optical cable. It should be noted that there are great uncertainties in the current 5g bearing scheme, including the deployment ratio of c-ran and the proportion of forward WDM equipment. The actual optical fiber demand may be far behind the predicted value.
In 5g era, if SA networking mode is adopted, in addition to the forward network, a large number of optical fibers are also needed in the return network and bearer network. The estimated consumption will exceed the market expectation of about 100 million core kilometers. The industry is expected to usher in marginal improvement.
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