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Common knowledge of flying probe test of circuit board

What is the flying probe test of the circuit board? What does it do? This article will give you a detailed description of the flying probe test of the circuit board, as well as the principle of the flying probe test and the factors that cause the hole to be blocked. Present. The principle of the ... Read More

Analysis of the basic steps of making led circuit boards

There are certain steps in the production of LED circuit boards. The basic steps in the production of LED circuit boards: welding-self-inspection-mutual inspection-cleaning-friction   1. LED circuit board welding ① Judgment of the direction of the lamp: the front is facing up, and the side w... Read More

Two methods to distinguish the quality of circuit boards

In recent years, almost one person has more than one electronic device, and the electronics industry has developed rapidly, which has also promoted the rapid rise of the PCB circuit board industry. In recent years, people have higher and higher performance requirements for electronic products, wh... Read More

Talking about the advantages and disadvantages of FPC circuit boards

We usually talk about PCB, so what is FPC? The Chinese name of FPC is also called flexible circuit board, also called soft board. It is made of soft and insulating materials. The printed circuit board we need belongs to pcb. One kind, and it has some advantages that many rigid circuit boards do n... Read More

Analysis of related questions about the color of pcb circuit boards

Most of the circuit boards we use are green? Why is that? In fact, PCB circuit boards are not necessarily green. It depends on what color the designer wants to make it. Under normal circumstances, we choose green, because green is less irritating to the eyes, and the production and maintenance pe... Read More

Power transformer IC with VDD bottom voltage self-powered system function

As a key component in the electronic system of power engineering, the power transformer IC has been widely used in various electronic products. It has key practical significance for ensuring the reliable operation of electronic products and achieving energy saving and consumption reduction. In re... Read More

PCB connector connection method

As an integral part of the whole machine, a PCB generally cannot constitute an electronic product, and there must be an external connection problem. For example, electrical connections are required between PCBs, PCBs and external components, PCBs and equipment panels. It is one of the important c... Read More

PCBA Reverse Engineering

The technical realization process of PCB copy board is simply to scan the circuit board to be copied, record the detailed component location, then remove the components to make a bill of materials (BOM) and arrange material purchase, empty board is The scanned picture is processed by the copy boa... Read More

To reach these 6 points, the PCB will not be bent and warped after the reflow furnace!​

Bending and warping of PCB board are easy to happen in the backwelding furnace. As we all know, how to prevent bending and warping of PCB board through the backwelding furnace is described below:  1. Reduce the influence of temperature on PCB board stress Since “temperature” is the ma... Read More

Entrants guidelines–PCB Postcure specifications!

I. PCB Control Specification 1. PCB unpacking and storage(1) PCB board sealed and unopened can be directly used online within 2 months of manufacturing date(2) The PCB board manufacturing date is within 2 months, and the unpacking date must be marked after unpacking(3) PCB board manufacturing ... Read More

What are the circuit board inspection methods?

A complete PCB board needs to go through many processes from design to finished product. When all the processes are in place, it will eventually enter the inspection link. Only the tested PCB boards will be applied to the product, so how to do the PCB circuit board inspection work , This is a top... Read More

Do you know that there are so many types of PCB aluminum substrates?

PCB aluminum substrate has many names, aluminum cladding, aluminum PCB, metal clad printed circuit board (MCPCB), thermally conductive PCB, etc. The advantage of PCB aluminum substrate is that the heat dissipation is significantly better than the standard FR-4 structure, and the dielectric used i... Read More
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