Industries
Medical PCB Manufacturing
IPC Class 3 with full traceability for FDA and CE compliance.
Medical PCBs operate inside devices where failure is not a performance issue — it is a patient safety issue. From implantable cardiac rhythm management devices to MRI gradient coil controllers, from surgical robot control boards to portable diagnostic instruments, medical electronics demand the highest reliability tier that PCB manufacturing can deliver. AstroPCB manufactures medical PCBs to IPC Class 3 standards with full material traceability, lot control and documentation packages that support FDA 510(k) and CE marking submissions.
Reliability requirements
Medical PCB manufacturing follows IPC-6012 Class 3/Class 3A standards, which impose the tightest acceptance criteria for plating thickness, annular ring, hole wall quality, conductor integrity and laminate condition. Class 3 boards are intended for products where continued performance is critical and where field replacement is impractical or impossible. Class 3A adds additional requirements for military and space applications but is sometimes specified by medical device manufacturers for implantable devices.
The practical difference between Class 2 (standard commercial electronics) and Class 3 is the inspection and acceptance criteria. A Class 2 board may ship with minor copper voids in plated holes that would cause a Class 3 rejection. A Class 3 board requires minimum 1 mil (25 micron) of copper plating in every barrel, with no voids, cracks or separation. These requirements directly affect long-term reliability in devices that must operate for years without maintenance.
Medical PCB assembly
Medical PCB assembly requires process validation, operator certification and environmental controls beyond standard commercial assembly. Clean room or controlled-environment assembly is required for implantable devices. Solder paste inspection (SPI), automated optical inspection (AOI) and X-ray inspection are performed at every applicable process step. Functional testing procedures provided by the customer are executed and documented with full traceability to individual board serial numbers.
For medical device PCBs that incorporate both surface-mount and through-hole components, the assembly sequence is planned to minimize thermal exposure of temperature-sensitive components while ensuring reliable solder joints on all connections. Conformal coating is applied when specified for moisture resistance or contamination protection.
Material traceability
Medical device regulations require full traceability of materials and processes. AstroPCB maintains lot-level traceability for laminate, copper foil, solder mask, surface finish chemistry and solder paste. Each board or panel is traceable to the specific material lots used in its fabrication and the specific process parameters (lamination temperature and pressure, plating bath composition, reflow profile) applied during manufacturing. This traceability documentation supports the Design History File (DHF) and Device Master Record (DMR) requirements of the FDA Quality System Regulation (21 CFR 820).
Common medical PCB applications
Patient monitoring devices use multilayer boards with controlled impedance for high-speed data acquisition and wireless communication interfaces. Diagnostic imaging equipment (CT, MRI, ultrasound) uses large-format multilayer boards with heavy copper for power distribution and precise impedance control for high-speed image data paths. Surgical instruments and robotic surgery controllers use rigid-flex PCBs that combine rigid processing boards with flexible interconnects, eliminating cable assemblies that add size, weight and failure points. Implantable devices use ceramic or high-reliability organic substrates with biocompatible surface finishes and hermetic packaging considerations.
Certifications and compliance
AstroPCB supports medical device manufacturers with manufacturing processes aligned to ISO 13485 quality management requirements. The facility maintains IPC-6012 Class 3 qualification, UL recognition for the laminate and construction types in production, and process capability data for critical parameters (plating thickness, impedance tolerance, registration accuracy). The engineering team assists with documentation requirements for regulatory submissions, including cross-section analysis reports, qualification test reports and material certificates of conformance.
Request a medical PCB quote
Specify the IPC class, any regulatory requirements (FDA class, CE marking), material and surface finish preferences, and testing requirements. Upload your design files and the engineering team will review for medical-grade manufacturability.