-
1. Hot air leveling (spray tin) Hot air leveling, also known as hot air solder leveling (commonly known as spray tin), is a process of coating molten tin (lead) solder on the surface of the PCB and flattening (blowing) it with heated compressed air to form a layer that resists copper oxidation. I...Read more »
-
Oxidation analysis and improvement method of immersion gold pcb board? 1. Poor oxidation picture of immersion gold plate: 2. Description of immersion gold plate oxidation: The oxidation of the immersion gold circuit board of the circuit board manufacturer is that the surface of the gold is conta...Read more »
-
Let’s take a look at pcb board design and pcba I believe that many people are familiar with pcb board design and may often hear it in daily life, but they may not know much about PCBA and even confuse it with printed circuit boards. So what is pcb board design? How has PCBA evolved? How is ...Read more »
-
What is PCB? The PCB board realizes the functions required by the circuit designer. The inventor of the circuit board is the Austrian Paul Eisl (PaulEisl adopted the circuit board in a radio device in 1936 and has occupied an absolute dominant position in the electronics industry. As the name sug...Read more »
-
What is a multilayer circuit board, and what are the advantages of a multilayer PCB circuit board? As the name suggests, a multi-layer circuit board can be called a multi-layer circuit board with more than two layers. I have analyzed what is a double-sided circuit board before, so the multi-layer...Read more »
-
1. Line graphics The circuit pattern includes the minimum line width and line spacing, the minimum network line width and line spacing, the minimum etched font width, the minimum BGA and bonding pads, the inner and outer copper thickness of the finished product, and the spacing between traces and...Read more »
-
High-quality circuit board principle conversion production process (process)? For hardware circuit designers. Protel99se is a basic skill that must be mastered. If you want to design a high-quality circuit board, you must consider many issues such as the principle of the circuit, the selection of...Read more »
-
What is a PCB What is a circuit board (circuit board) What is PCB? The PCB board realizes the functions required by the circuit designer. The inventor of the circuit board is the Austrian Paul · Eisler (Paul Eisl adopted the circuit board in a radio device in 1936 and has occupied an a...Read more »
-
The industry knows that the purpose of PCB surface treatment is to ensure good solderability or electrical performance. Since natural copper tends to exist in the form of oxides in the air, it is impossible to maintain it as original copper for a long time, so it is necessary to perform anti-oxid...Read more »
-
What are the precautions for using PCB circuit board cleaning fluid? In China’s electronics industry, most companies use PCB. PCB circuit board cleaning fluids used for PCB component welding are divided into three types: water-soluble, rosin, and no-clean. The first two are more commonly us...Read more »
-
HOW TO MAKE A CIRCUIT BOARD? PCB CIRCUIT BOARD MANUFACTURERS Design the schematic according to the circuit function. The design of the schematic diagram is mainly based on the electrical performance of each component according to the need to build...Read more »
-
What is the characteristic impedance in the PCB? How to solve the impedance problem? With the upgrading of customer products, it gradually develops in the direction of intelligence. Therefore, the requirements for the impedance of the PCB board are becoming more and mor...Read more »
