PCM Removes Many Constraints to Flow Channel Designs

Engineers and designers developing advanced heat exchanger systems are under constant pressure to increase thermal performance, reduce size and weight, and improve manufacturability—often simultaneously. As system architectures become more compact and thermally demanding, the design of internal flow channels plays a central role in determining overall performance. Photochemical machining (PCM), also known as chemical etching or photochemical etching, offers unique advantages for manufacturing precision flow channels in thin metal materials used in plate-type, microchannel, and laminated heat exchanger systems.

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