domestic pcb manufacturer-Shenzhen Chengchi Circuit Technology Co., Ltd.

Active and Passive Cooling Implementation Design for CEM-1 PCBs in Sealed Enclosures

Small appliances, sealed adapters, and embedded control modules commonly utilize fully enclosed plastic housings with no internal air convection. In such environments, the inherently poor thermal conductivity of CEM-1 substrates is exacerbated, leading to heat accumulation within the confined cavity

Jun 04, 2026 469

Detail

Core Logic and Engineering Baseline of PCB Via Pitch

In multilayer PCB design, vias are the central hubs for interlayer signal and power interconnects. While Via Pitch may seem like a basic process parameter, it directly dictates PCB mass production yield, signal integrity (SI), and EMC compliance. Numerous engineering cases show that over 70% of high

Jun 03, 2026 153

Detail

PCB Flying Probe Test vs. Fixture Test: Selection Comparison and Application Guide

In the final stage of PCB manufacturing, Electrical Test serves as the critical checkpoint for intercepting defective products and ensuring delivery quality. The industry primarily relies on two methods: the Flying Probe Test and the Fixture Test (also known as the Bed-of-Nails Test). Many procureme

Jun 02, 2026 485

Detail

Ensuring Signal Integrity in 4-Layer PCB Return Path Design

In the field of modern high-speed digital circuit design, 4-layer PCBs are widely used in communication equipment, industrial control, consumer electronics, and various embedded systems due to their balance between cost and performance. However, with the continuous increase in signal frequencies, ev

Jun 01, 2026 405

Detail

Lead-Free Solder Empowers Flexible PCB Assembly with Balanced Process Performance

Flexible PCBs (FPC), characterized by their lightness, thinness, bendability, deformation resistance, and high spatial adaptability, are now widely used in wearables, smart terminals, automotive electronics, medical instruments, and industrial flexible sensor modules. With tightening global environm

May 30, 2026 48

Detail

Out-of-Control Costs in 4-Layer PCB Rush Production? Material Selection & Scheduling Logic

There are two prevailing extreme mindsets in the industry: one insists that rush orders require expensive materials to guarantee quality, while the other prioritizes cheap materials to cut costs when rushing production. In reality, cost control for 4-layer rush production hinges on demand-based tier

May 29, 2026 45

Service Hotline

+8618129931046 Mr. Liao

News

Visit from American partners

Know More

Active and Passive Cooling Implementation Design for CEM-1 PCBs in Sealed Enclosures

Detail

Core Logic and Engineering Baseline of PCB Via Pitch

Detail

PCB Flying Probe Test vs. Fixture Test: Selection Comparison and Application Guide

Detail

Ensuring Signal Integrity in 4-Layer PCB Return Path Design

Detail

Lead-Free Solder Empowers Flexible PCB Assembly with Balanced Process Performance

Detail

Out-of-Control Costs in 4-Layer PCB Rush Production? Material Selection & Scheduling Logic

Detail

Products

capabilities

Cases

Applications

About

Email

Service Hotline

+8618129931046 Mr. Liao

News

Visit from American partners

Know More

Active and Passive Cooling Implementation Design for CEM-1 PCBs in Sealed Enclosures

Detail

Core Logic and Engineering Baseline of PCB Via Pitch

Detail

​PCB Flying Probe Test vs. Fixture Test: Selection Comparison and Application Guide

Detail

Ensuring Signal Integrity in 4-Layer PCB Return Path Design

Detail

Lead-Free Solder Empowers Flexible PCB Assembly with Balanced Process Performance

Detail

Out-of-Control Costs in 4-Layer PCB Rush Production? Material Selection & Scheduling Logic

Detail

Products

capabilities

Cases

Applications

About

Email

PCB Flying Probe Test vs. Fixture Test: Selection Comparison and Application Guide