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Infineon Team Develops Biodegradable PCBs for Power Demo Boards

Update time : 2023-08-02 14:52:50

Infineon Technologies is reportedly using recyclable PCB technology in its power demo boards to reduce e-waste.

Infineon is using Soluboard biodegradable PCBs from Jiva Materials in the UK for its power demo boards. More than 500 units have been put into service to demonstrate the company's power discrete device portfolio, including a board equipped with components specifically designed for refrigerator applications. Based on the results of ongoing stress tests, the company plans to provide guidance on the reuse and recycling of power semiconductors removed from Soluboard, which can significantly extend the life of electronic components.
The plant-based PCB material is made from natural fibers and has a much lower carbon footprint than the traditional glass fibers found in FR4 PCBs. The organic structure is encapsulated in a non-toxic polymer that dissolves when immersed in hot water, leaving only compostable organic material. This not only eliminates PCB waste, but also allows electronic components soldered to the board to be recycled and reused.
"For the first time, recyclable and biodegradable PCB materials are being used in the design of electronic products for consumer and industrial applications, a milestone towards a greener future," said Andreas Kopp, Head of Product Management Discrete Devices at Infineon's Green Industrial Power Division. "We are also actively researching the reusability of discrete power devices at the end of their useful life, which will be another important step in advancing the circular economy in the electronics industry."
"The use of a water-based recycling process increases the recovery of precious metals," said Jonathan Swanston, CEO and co-founder of Jiva Materials. "In addition, replacing FR-4 PCB material with Soluboard will result in a 60% reduction in carbon emissions, and more specifically, a saving of 10.5 kilograms of carbon and 620 grams of plastic per square meter of PCB."
Infineon is currently using the biodegradable material in three demo PCBs and is exploring the possibility of using the material in all circuit boards to make the electronics industry more sustainable.
The study will also give Infineon a basic understanding of the design and reliability challenges customers face when using biodegradable PCBs in their designs. In particular, customers will benefit from the new knowledge as it will contribute to the development of sustainable designs.

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