Improving thermal conductivity by embedding copper coins! Introducing printed circuit boards that efficiently dissipate heat.
To efficiently utilize the thermal conductivity of copper (390 W/m·K) for heat dissipation, we introduce a printed circuit board embedded with copper coins in the heat-generating area. In conventional methods, heat dissipation vias were arranged as much as possible, but due to the inability to increase the cross-sectional area of copper, there were limitations in heat dissipation. In the developed product, the thermal conductivity has been improved by embedding copper coins. 【Comparison of Conductor Cross-sectional Area】 ■ Through Hole (25μm) - φ3.0mm 1 hole: 0.23 mm² - φ8mm area: 1.41 mm² (φ0.4mm TH, 1.0mm pitch, 48 holes) ■ Copper Coin - φ3.0mm 1 hole: 7.07 mm² (approximately 30 times) - φ8mm area: 50.24 mm² (1 hole of φ8mm copper coin) (approximately 35 times) *For more details, please refer to the PDF document or feel free to contact us.
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Our company, as a supporter of social infrastructure, quickly captures market needs and provides products that satisfy our customers. Society as a whole is showing structural changes towards a new normal, accompanied by the acceleration of digital transformation (DX). We are addressing this change by inheriting the technical strengths we have cultivated so far and engaging in research and development to solve social issues and "create a safe and secure society." We focus on advanced technological areas to realize safe, secure, and sustainable social infrastructure.