4-layer HDI switch circuit board design

Widespread Usage

The 4-layer HDI PCB is widely used in:

• Telecom module
• Wireless module
• LED display module

PCB HDI (1+N+1) Layout Design Structure

Basic Description

The HDI PCB (1+N+1) is the simplest HDI PCB layout design structure, suitable for BGAs with fewer I/Os.

Features

• Fine lines
• Micro vias
• Registration technology capable of 0.4mm ball pitch for excellent mounting stability and reliability
• May contain copper-filled vias

Material and Finish

It is qualified material and finish for lead-free process.