Heavy Copper PCB for Power Electronics

Why Choose UNICEXTL Heavy Copper PCB?

UNICEXTL provides heavy copper PCB manufacturing solutions for power electronics applications requiring high current carrying capability, excellent thermal performance, and long-term reliability.

Heavy copper PCB technology uses thicker copper layers to improve current capacity, reduce electrical resistance, enhance heat dissipation, and support demanding power applications.

With advanced etching capability, controlled copper plating processes, in-house lamination, and experienced engineering support, UNICEXTL helps OEM customers develop reliable power electronics solutions from prototype validation to mass production.

Manufacturing Capability

Advanced Heavy Copper PCB Manufacturing Capability

Heavy copper PCB manufacturing requires precise control of copper plating, etching compensation, hole reliability, and thermal stress.

UNICEXTL focuses on:

• Thick copper plating control
• High current circuit design support
• Copper thickness consistency
• Reliable via and hole wall quality
• Thermal stress management
• Heavy copper etching capability

These manufacturing capabilities help customers achieve reliable PCB performance in high-power environments.

Engineering Support

Before heavy copper-PCB production, our engineering team reviews:

• Current carrying requirements
• Copper thickness selection
• Trace width calculation
• Thermal management requirements
• Layer stack-up design
• Via structure design
• Material selection
• Manufacturing feasibility
• DFM analysis

Our engineering support helps optimize heavy copper PCB designs for electrical performance, reliability, and cost efficiency.

Quality Assurance and Certifications

UNICEXTL applies strict quality control throughout heavy copper PCB manufacturing.

Critical quality controls include:

• Incoming material inspection
• Copper thickness verification
• Inner layer AOI inspection
• Microsection analysis
• Electrical testing
• Thermal reliability evaluation
• Final inspection before shipment

These controls help ensure stable performance for power electronics applications requiring high current and long service life.

Applications

Heavy copper-PCBs are widely used in:

• EV power systems
• Battery management systems (BMS)
• Power converters
• Inverters
• Industrial power supplies
• Charging equipment
• Renewable energy systems
• High-power LED applications

Heavy copper-PCB technology helps engineers achieve higher current capacity, improved thermal performance, and enhanced product reliability.

Heavy Copper-PCB Manufacturing Process

Our heavy copper-PCB manufacturing process includes:

• Engineering review and DFM analysis
• Copper thickness confirmation
• Inner layer fabrication
• Heavy copper plating
• Etching process control
• Drilling and hole plating
• AOI inspection
• Surface finishing
• Electrical testing
• Final quality inspection

UNICEXTL controls each critical manufacturing stage to ensure reliable heavy copper PCB production.

From Heavy-Copper Design to Mass Production

UNICEXTL supports customers from initial heavy copper-PCB development to stable volume production.

By maintaining the same manufacturing system from prototype to mass production, customers benefit from:

• Consistent copper thickness
• Stable manufacturing parameters
• Reduced production risks
• Reliable electrical performance
• Smooth product transition

Our heavy copper PCB capability helps OEM customers develop durable power electronics products with confidence.