The heat dissipation and internal interference problems of high-speed optical modules can be solved simultaneously by heat-conducting and absorbing materials-3C electronics-ShenZhen Revve New Material Tech Co.,Ltd.

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The heat dissipation and internal interference problems of high-speed optical modules can be solved simultaneously by heat-conducting and absorbing materials

Source : 3C electronics Edit : Revve New Material Read : 113 Time : 2023-05-06

The optical module is an important part of optical fiber communication, and it is an optoelectronic device that realizes the functions of photoelectric conversion and electro-optical conversion in the process of optical signal transmission. With the rapid development of data centers, the corresponding demand for optical modules has undergone tremendous changes in terms of performance and cost. However, high-speed optical modules have crosstalk in the transmission space and electromagnetic interference in the burst receiving space. Solve electromagnetic interference and heat dissipation solutions.

The high-speed transmission optical module is a small pluggable transceiver device containing an active chip and an optical receiver transmitter, which is used in high-speed telecommunications and data communications. In order to match 5G, 6G or more advanced communication protocols, the amount of data that needs to be transmitted within a limited time is also increasing, and the transmission rate has increased to 100gb/s or even higher. In order to correct and correct the data at high transmission rates Distortion or delay, the circuit board structure uses differential signal lines as high-speed data transmission. However, there are not only signal lines for data transmission. The optical module circuit board itself also needs to be equipped with control signal lines, power lines, and clock signals. Differential signal lines are susceptible to interference from other lines, and in the pin design, it is usually connected The contact fingers of the line are arranged in pairs at the corresponding positions of individual rows of contact fingers on both sides of the plug-in side. The differential signal lines on the top surface and the bottom surface are also prone to interference from overlapping line extension positions, which will damage the differential signal line. Transmission speed and accuracy of optical module data.

Solution: To deal with the problem of excessive heat generation and internal interference of high-speed optical modules, you can use heat-conducting and absorbing materials, using polymer silicone rubber as the base material, adding ceramic powder, soft magnetic particles and corresponding additives to make composite materials, with The dual functions of heat conduction and electromagnetic interference reduction reduce electromagnetic interference and improve signal integrity; high-performance heat conduction makes electronic devices more stable.

Product Features:

Thermal conductivity: 1.0~4.0W/mk

Soft and not fragile, light and thin, easy to process and cut, easy to use, and can be installed in small spaces.

The product is an insulating material, and the product needs to be glued or pressed on the metal base plate to achieve good microwave absorption effect.

Products can correspond to various sizes and shapes.

Flame retardant, high temperature resistance, good flexibility.

Halogen-free, lead-free, RoHs compliant.

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