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Pushing the boundaries of micro-electronics. Delivering ultra-high-layer count and fine-pitch PCB solutions for IC testing, probe cards, and substrate-level applications.
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Layer Count Capability
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Min. Pitch Support
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Micro-Section Tested
Why Choose TOPFAST for Semiconductors
Engineering excellence for the world's most complex silicon architectures.
Ultra-High Layer Density
Specialized in manufacturing thick, high-layer count boards (up to 8.0mm thickness) for complex Load Boards and Probe Cards.
Thermal Management Experts
Handling advanced copper-coin technology and high-thermal conductivity laminates for high-power burn-in testing environments.
Nano-Precision Registration
Utilizing high-end LDI systems and specialized alignment techniques to ensure perfect registration across dozens of signal layers.
Instant Engineering Quote
✓ Support for ENEPIG & Hard Gold
Semiconductor-Grade Capabilities
Precision manufacturing standards optimized for zero-tolerance testing and substrate applications.
IC Test Interface Boards
Specialized fabrication of Load Boards and DUT (Device Under Test) boards with extremely flat surface finishes and fine-pitch BGA pads.
Up to 20:1
Min. 0.3mm
Up to 8.0mm
Planar ENEPIG
Advanced Probe Cards
Delivering the core hardware for wafer-level testing with high-density vertical interconnects and superior mechanical stability.
Low Propagation Delay
Hybrid Build-up
Back-Drilling Control
Ultra-Low Loss PTFE
Industry Trust
Supporting the supply chain from fabless design houses to global testing centers.
"Topfast is one of the few vendors capable of delivering 40+ layer load boards with the registration accuracy our GPU tests require."
"The quality of their ENEPIG finish and pad planarity is perfect for our high-pin count BGA socket mounting."
"Their technical consultation during our high-power burn-in board design saved us from a major thermal failure."
"Unbeatable turnaround for multi-layer prototypes. They understand the urgency of semiconductor release cycles."
"Their capability in handling high-aspect ratio back-drilling is essential for our high-speed signal integrity needs."
Semiconductor PCB Specifications
Extreme manufacturing parameters strictly tailored for IC testing and reliability.
| Parameter | High-Spec Capability | Ultra-Precision Option |
|---|---|---|
| Maximale Anzahl von Ebenen | 32 - 40 Layers | Up to 64 Layers |
| Min. Line Width / Spacing | 2.5 mil / 2.5 mil | 1.8 mil / 1.8 mil (SLP) |
| Drilling Aspect Ratio | 12:1 | 20:1 (Ultra-Thick Boards) |
| Planarität der Oberfläche | < 5µm Tolerance | < 2µm (Laser Leveling) |
| Material Families | FR4 High-TG, Megtron 6/7 | Tachyon 100G, Isola Terra |
| Oberfläche | ENIG / Hard Gold | ENEPIG / Selective Gold |
Our IC-Grade Manufacturing Flow
A multi-stage, high-resolution procedure ensuring zero-defect interface hardware.
1
SI/PI Validation
Rigorous simulation of signal and power integrity to ensure the design handles high-frequency IC loads.
2
Laser Fab
Sub-micron laser drilling and imaging to create ultra-fine interconnections for probe card substrates.
3
Vertical Control
Specialized copper plating processes to ensure consistent impedance across high-aspect ratio vias.
4
Final Analysis
Automated 3D AOI and 100% micro-section analysis to verify internal registration and thermal stability.
Driving Silicon Innovation
Our PCBs power the testing and validation of next-generation computing hardware.
Semiconductor PCB FAQ
Insights into high-layer count manufacturing and precision testing hardware.
How do you maintain registration accuracy in 40+ layer boards?
We utilize state-of-the-art Mass Lam systems with X-ray drilling and LDI imaging. Our environmental controls are strictly maintained at ISO Class 5 clean-room standards for these layers to prevent any thermal expansion mismatch or dust contamination during the lamination cycle.
Can you handle ultra-thick copper for high-power burn-in boards?
Yes, we support heavy copper up to 10oz for power distribution layers. We also integrate copper coins and heat sinks directly into the PCB structure to manage the extreme thermal loads during high-stress chip testing.
What is your capability for high-speed signal integrity?
We offer advanced back-drilling to eliminate via stubs, and we work with a wide range of low DK/DF materials like Panasonic Megtron 7 and Isola Tachyon. We ensure signal propagation remains consistent across the entire test board interface for speeds up to 112Gbps.
Do you provide micro-section analysis for semiconductor-grade products?
Standard. Every semiconductor PCB order includes a detailed micro-section report, thermal stress coupon test results, and a complete ionic contamination analysis as part of our shipment documentation (CoC).
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