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High-Tg PCB
Key Technical Details
-Temperature Resistance: Operates reliably up to 130–150°C (20–25°C below Tg), ideal for lead-free soldering (reflow temperatures up to 260°C).
-Material Composition: Uses modified epoxy resins or ceramic-filled composites to enhance heat resistance.
-Tg Grades:
+ Standard FR-4: Tg 130–140°C
+Medium-Tg: 150–160°C
+High-Tg: ≥170°C (e.g., 170°C, 180°C, 200°C)
Superior Thermal Stability
Reduced Deformation: Maintains rigidity in high-temperature environments (e.g., automotive under-the-hood, industrial ovens).
Lead-Free Compliance: Withstands reflow soldering at 240–260°C, essential for RoHS-compliant manufacturing.
Enhanced Mechanical & Electrical Performance
Dimensional Accuracy: Low coefficient of thermal expansion (CTE) minimizes warping in multilayer designs.
PTH Reliability: Stronger via plating adhesion reduces risks of cracking in thermal cycles.
Chemical & Moisture Resistance
High Humidity Stability: Lower water absorption (≤0.15%) compared to standard FR-4, preventing delamination in humid conditions.
Chemical Resistance: Resists degradation from fluxes, cleaning agents, and industrial chemicals.
Design Flexibility for Dense Circuits
Multilayer & HDI Compatibility: Supports compact, high-power-density layouts without thermal hotspots.
Hybrid Material Support: Combines with aluminum or ceramic cores for advanced thermal management.
Process Highlights
Precision Lamination
Controlled pressure and temperature to prevent voids in high-Tg laminates.
Laser Drilling
For microvias in HDI boards (down to 0.1mm).
Solder Mask
High-temperature-resistant inks (cures at 180°C+).
Why Choose Our High-Tg PCB Services?
20 Years of Thermal Management Expertise
- Material Expertise: Proven track record with FR-4 high-Tg (170°C–200°C) and advanced composites.
- Rapid Prototyping: 3–5 day turnaround for standard high-Tg PCBs, 7–10 days for complex multilayer designs.
- Quality Assurance: 100% automated optical inspection (AOI) and X-ray analysis for via integrity.
- Cost Optimization: Hybrid designs (high-Tg core + standard FR-4 layers) to balance performance and budget.
Trusted by Industry Leaders
Our high-Tg PCBs are used in:
- Automotive: ECUs for major OEMs, certified to IATF 16949 and AEC-Q200.
- Industrial: Power supplies for renewable energy projects, with 10-year reliability warranties.
- Aerospace: Flight control modules compliant with MIL-PRF-55110.