How to grade PCB copper clad laminate

1. FR-4 A1 copper clad laminate is mainly used in military industry, communication, computer, digital circuit, industrial instrument, automobile circuit and other electronic products. The quality of this series of products has fully reached the world-class level. It is the company’s highest grade and best performance products. 2. FR-4 A2 copper clad laminate, which is […]

Read More

What are the main performance requirements of high performance CCL for the development of HDI multilayer board

Epoxy copper clad laminate is an important and high-performance application field of epoxy resin. To discuss and study the performance requirements of high-performance copper clad laminate for its epoxy resin, we should observe and analyze from the perspective of the whole industrial chain, especially from the main performance requirements of HDI multilayer board development for […]

Read More

Development trend analysis of global copper clad laminate

(1) The growth of global copper clad laminates is slowing down Copper clad laminate (CCL) is the main material of printed circuit board. According to the number of layers, it accounts for 50% ~ 70% of the cost of PCB raw materials. Its manufacturing method is to add reinforcing materials (glass fiber cloth, insulating paper, […]

Read More

Analysis of common problems of PCB copper clad laminate

1、 To be able to search It is impossible to manufacture any number of PCBs without encountering some problems, which is mainly due to the material of PCB copper-clad laminate. When quality problems occur in the actual manufacturing process, it seems that the PCB substrate material is often the cause of the problem. Even a […]

Read More

Characteristics and process of microwave printed circuit board manufacturing

1. Preface Microwave printed circuit board (MPB) is a kind of microwave device which is produced on a specific microwave substrate copper clad laminate (CCL). In the high-speed signal transmission line of printed circuit board conductor, it can be divided into two categories: one is high-frequency signal transmission electronic products, which is related to the […]

Read More

Analysis of two methods for detection of copper clad laminate

Copper clad laminate (CCL) is a kind of product made of wood pulp paper or glass fiber cloth as reinforcement material, impregnated with resin, covered with copper foil on one or both sides, and hot pressed. Copper clad laminate (CCL) is the basic material used to manufacture PCB. CCL has the characteristics of color difference, […]

Read More

Introduction of different types of CCl

In electronic equipment, as small as electronic watches and calculators, as large as computers, general-purpose electronic equipment and military weapon systems, as long as there are electronic components, PCB is used for interconnection between them. Printed circuit board (PCB) is used to be called PCB, which is one of the important parts of electronic products. […]

Read More