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

Analysis of CEM-3 and FR-4 Laminate Systems

**Comparison of Lamination Process between CEM-3 and FR-4**As two mainstream PCB substrate materials, CEM-3 and FR-4 share common principles in their lamination processes. However, due to differences in their material structures, they have developed unique process characteristics and quality control

Jan 12, 2026 1

Detail

Process Control for Flexible PCB Coverlay Lamination

**Question: What is the core function of the Flexible PCB (FPC) Coverlay Lamination Process? What are the specific aspects of its specification formulation?** The FPC coverlay lamination process involves bonding a coverlay (an adhesive-backed polyimide film) onto the surface of an FPC. Its core fun

Jan 10, 2026 1

Detail

Exploring the Technical Characteristics of PCB Prototype SMT Assembly

PCB prototype SMT (Surface Mount Technology) is an indispensable part of modern electronics manufacturing. It provides a reference for circuit board testing before mass production, helps identify deficiencies, and thereby avoids unnecessary errors and losses. This article will explore PCB prototype

Jan 09, 2026 1

Detail

EMC Optimization Techniques for 16-Layer High-Layer-Count PCB Design

Electromagnetic Compatibility (EMC) is one of the key indicators for evaluating the performance of 16-layer high-layer-count PCBs. For 16-layer boards integrated with a large number of high-speed chips and complex power modules, electromagnetic interference (EMI) not only affects their own signal tr

Jan 08, 2026 1

Detail

Technical Specifications for Free Prototyping of High-Layer Count PCBs

With the popularization of free prototyping services for high-layer-count PCBs (6 layers and above), the corresponding process specifications are also being continuously improved. High-layer-count boards have complex structures and high process difficulty. Their free fabrication specifications not o

Jan 07, 2026 1

Detail

Can the crystal oscillator be placed at the edge of the PCB board?

During the PCB design process, the placement of the crystal oscillator is a detail that is often overlooked yet critically important. Many may wonder: Is it acceptable to place the crystal oscillator near the edge of the PCB board? Next, we will delve into this issue through a practical case study,

Jan 06, 2026 1