Base PI thickness is 25μ, Cu thickness is 18μ! A case study of coil flex design and manufacturing aimed at achieving a strong magnetic field formation.
We would like to introduce a case study of the design and manufacturing of coil flex aimed at achieving a very small yet powerful magnetic field formation, as requested by the manufacturer. Within an outer dimension of approximately 4.0mm x approximately 3.0mm, we configured a single-sided structure with L/S=35μ/35μ, 6 turns x 3 blocks. Additionally, within an outer dimension of approximately 4.0mm x approximately 10.0mm, we configured a double-sided structure with L/S=70μ/50μ, 4 turns x 3 blocks. The materials used for both the single-sided and double-sided structures are adhesive-free, with a base PI thickness of 25μ and a copper thickness of 18μ. 【Case Overview】 ■ Materials Used - Single-sided: Adhesive-free material - Double-sided: Adhesive-free material ■ Base PI Thickness: 25μ ■ Copper Thickness: 18μ *For more details, please refer to the PDF document or feel free to contact us.
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Stay Electronics Co., Ltd. was established in 1971 in Kawasaki City as a technical group focused on the design of printed circuit boards. Since then, backed by the rapid development of the electronics industry, we have built a consistent system from development to production and sales tailored to our customers' needs, and thanks to this, we have reached our 50th anniversary. Although Japan's electronics industry is entering a mature phase, technological advancements continue to accelerate without decline. To respond to even more advanced needs, we have adopted a system focused on the mass production of flexible printed circuits (FPC) starting from prototypes, aiming for technological concentration and flexible responses. President and CEO Masahide Shida