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Flex-rigid PCB
Flex-rigid PCB combines the durability of rigid PCBs with the adaptability of flexible circuits—and at STHL, we engineer these hybrid boards to handle the most complex applications. Whether it’s a military radio or a medical endoscope, our Flex-rigid PCB ensures reliable performance in tight, moving spaces.
What Makes Flex-rigid PCB Unique
Flex-rigid PCB integrates rigid sections (for heavy components like BGAs) with flexible hinges (for movement) in a single board. Our designs use polyimide flex layers bonded to FR-4 rigid cores, with copper weights up to 6oz for power distribution. This means Flex-rigid PCB can handle both high-current paths (e.g., 5A) and high-speed signals (e.g., 10Gbps) without compromise.
Applications of Flex-rigid PCB
Aerospace
Satellite payloads use Flex-rigid PCB to reduce weight while withstanding launch vibrations.
Medical Devices
Endoscopes rely on Flex-rigid PCB to carry both power (for LEDs) and data (for cameras) through a flexible shaft.
Automotive
In-cabin sensors use Flex-rigid PCB to fit around airbags and wiring harnesses.
Manufacturing Excellence in Flex-rigid PCB
Our Flex-rigid PCB process includes laser drilling (4mil vias) and controlled lamination (to prevent delamination at rigid-flex joints). We also add conformal coating to the flexible sections, ensuring Flex-rigid PCB resists moisture and chemicals in harsh environments.
Key Benefits of Rigid-Flex PCB Technology
Although Rigid-Flex PCBs may involve higher initial design and production costs, they deliver significant advantages that justify the investment. One major benefit is their compact form factor, which allows for greater component density in constrained spaces. This space-saving design can ultimately reduce overall system costs by minimizing the need for additional connectors and interposers. Moreover, since Rigid-Flex PCBs eliminate many traditional interconnects, they enhance long-term reliability and reduce maintenance requirements.
Exceptional Performance in Demanding Environments
Like other flexible circuit technologies, Rigid-Flex PCBs excel in harsh operating conditions, including high-temperature environments. Their robust construction ensures durability, while simplified testing procedures make them ideal for prototyping and iterative design improvements.
Premium Rigid-Flex PCB Manufacturing Services
PCBCart specializes in high-quality Rigid-Flex PCB solutions, serving industries such as medical devices, telecommunications, and advanced manufacturing. Our in-house quality assurance team rigorously inspects every stage of fabrication and assembly to guarantee flawless performance. Additionally, we provide complimentary Design for Manufacturability (DFM) reviews to optimize your board for production.