Wavelength Compression Mechanism, High-Speed Routing Optimization, and Thermal Co-Design for 224G+ PAM4 Optical Modules

1. Introduction Thermal design for opticalmodules.With the rapid iteration of 800G and 1.6T high-speed optical interconnection systems, 224Gbps PAM4 has become the mainstream single-lane transmission standard for next-generation optical modules, silicon photonic chips, and thin-film lithium niobate modulators. Unlike traditional low-speed digital signals that are merely restricted by rise time and impedance matching, ultra-high-frequency signals […]
Copper Tube Embedded Cold Plate vs Vacuum Brazed Cold Plate: Thermal Performance & Application Boundary Analysis (2026)

Our engineers conduct an in-depth comparison among copper tube embedded cold plates, vacuum brazed cold plates and friction stir welded copper cold plates. We analyze differences in thermal resistance, temperature uniformity, pressure drop, reliability and cost across multiple dimensions, delivering optimal liquid cooling selection references for electronic thermal management engineers. Core Keywords: liquid cold plate, […]
High-Power Transformer Embedded Copper Tube Liquid Cooling Solution

Transformer liquid cooling.In power equipment such as new energy energy storage systems, photovoltaic inverters, high-frequency switching power supplies, and high-power charging piles, inductors and transformers serve as core power components. During high-frequency full-load operation, continuous heat is generated by copper loss in coils and iron loss in magnetic cores. With the continuous improvement of equipment […]
Heat Pipe Heat Sink for cooling Laser Module

1. Introduction Heat Pipe Heat Sink for Cooling Laser Module.As high-power laser modules are widely adopted in industrial processing, optical communication, and LiDAR systems, continuous operating power and packaging density continue to increase. During normal operation, most input electrical energy is converted into concentrated heat flux rather than optical output. Laser chips are extremely sensitive […]
FSW Weld Whitening and Anodizing Adaptation Technology

FSW Weld Whitening and Anodizing Adaptation Technology.Friction Stir Welding (FSW) is a mature solid-state joining process. Featuring non-melting welding, zero porosity and cracking, and minimal workpiece deformation, it is widely adopted in mass production of aluminum alloy new energy structural parts and aluminum alloy liquid cooling plate components. However, continuous white strip patterns tend to […]
Manufacturing Process of High-Density Corrugated Fin Heat Sink Based on Friction Stir Welding

Abstract Friction Stir Welding Manufacturing Heat Sink.High-power chips in industrial control, new energy, and server applications generate extremely high local heat flux, placing stringent demands on heat sink structure and thermal performance. For high-density heat sinks with fin height over 100 mm and fin spacing less than 2 mm, conventional manufacturing processes present prominent technical […]
New phase change energy storage material

Abstract: New phase change energy storage material.With the rapid development of energy storage technology, electronic heat dissipation, building energy conservation and power battery temperature control, phase change materials (PCMs) have become a research hotspot in the field of thermal management due to their advantages of constant-temperature heat storage and release, high energy utilization efficiency and […]
Optimization Design of High-Power-Density Chip Heat Dissipation Based on Double-Layer Stacked Liquid Cooling Plate——Drawing on Huawei Tau (τ) Three-Dimensional Hierarchical Architecture

1. Introduction With the continuous iteration of semiconductor chip manufacturing processes and the rapid upgrading of computing power, the power density of high-end chips has increased significantly. Traditional planar heat dissipation structures are limited by fixed heat exchange area, long heat conduction paths and high heat loss, which can hardly adapt to high-load and high-heat-flux […]
Comparative Study on Performance and Engineering Application of Graphite Sheet and Liquid Metal as Thermal Interface Materials

Abstract With the continuous increase in heat flux density of high-power chips, power devices and microchannel heat dissipation systems,thermal interface material, the selection of thermal interface materials (TIMs) directly determines the heat dissipation efficiency and long-term operational stability of equipment. To clarify the engineering adaptation boundaries between two mainstream high-end thermal interface materials, namely graphite […]