1+N+1 Countersink hole HDI 8L PCB

Introduction to the 8L 1+N+1 HDI PCB Product

The 8L 1+N+1 HDI PCB product is a high-density interconnect printed circuit board designed for advanced electronic applications. It features a complex structure with multiple layers and specialized processes to meet the demands of modern micro electronic products.

Definition and Design Requirements

The 8L 1+N+1 HDI PCB stands for a printed circuit board with eight layers on each side, one power layer, N signal layers, and one additional signal layer. The design requirements include high density, precise trace and space measurements, and specific hole sizes for mechanical and laser drilling.

Working Principle

The HDI PCB works by providing intricate electrical connections between various components on the board. The high-density layout allows for more components to be packed into a smaller space, improving overall functionality and performance.

Applications

These PCBs are primarily used in micro electronic products where compact size, high performance, and reliability are crucial. They are ideal for applications such as wearable technology, smart sensors, and other miniaturized electronic devices.

Classification

HDI PCBs can be classified based on their layer count, material, and special processes. The 8L 1+N+1 configuration indicates a specific type of multilayer PCB with enhanced capabilities.

Material

The primary material used for this PCB is FR-4, which is a flame-resistant glass-epoxy laminate. This material provides excellent thermal stability, mechanical strength, and electrical insulation properties.

Performance

The 8L 1+N+1 HDI PCB offers superior electrical performance, including low signal loss and high-speed data transmission. Its immersion gold and OSP surface treatments ensure long-lasting durability and reliable connections.

Structure

The structure of this PCB includes eight layers on each side, with internal and external copper thicknesses of 1OZ and 0.5OZ, respectively. The finished thickness of the board is 0.8mm, and it features blind holes for increased connectivity.

Features

Key features of this PCB include:

• High-density interconnect design
• Precision trace and space measurements (3mil/3mil)
• Mechanical holes of 0.2mm and laser holes of 0.1mm
• Specialized surface treatments for enhanced durability

Production Process

The production process for an 8L 1+N+1 HDI PCB involves several steps, including:

1. Material preparation and layer stacking
2. Drilling of mechanical and laser holes
3. Copper plating and etching
4. Surface treatment application
5. Final inspection and testing

Each step is carefully executed to ensure the highest quality and performance of the final product.

Use Cases

This PCB is commonly used in:

• Wearable technology
• Smart sensors
• Miniaturized electronic devices
• Advanced communication systems

In conclusion, the 8L 1+N+1 HDI PCB product is a state-of-the-art solution for modern micro electronic products offering unparalleled performance, reliability, and compactness.