PCB board to be retained on the part of the copper foil pre-plated layer of lead and tin resist layer, and then chemically corrode off the rest of the copper foil, known as etching. So, what are the types of PCB board etching and commonly used etching agents? 1.Types of etching graphic plating method: etching […]
With the continuous development of electronic technology, especially the rapid growth of 5G communication, Internet of Things (IoT), smart devices and other fields, the radio frequency (RF) performance of electronic devices has become more and more important. In this process, PCB RF shielding technology came into being and became one of the key technologies that
Dry film pcb is a photosensitive polymer film, usually composed of polyester support film, photoresist layer and protective film. In the PCB manufacturing process, through the exposure and development steps, the dry film can form a precise conductive pattern. Dry film is an important consumable for making dry film PCB and is widely used in
The printed circuit board switches are the components used to control the switching state of a circuit, also known as a switching circuit board or switch board. It usually consists of one or more triggers and controllers, and is used in circuits to control the on/off state of the circuit, thus acting as a switch
Ceramic pcb materials, with their excellent physical and chemical properties, are increasingly being used in electronics, aerospace, medical and energy applications. In this paper, we will discuss the properties of ceramic pcb materials, their preparation process and their wide range of applications. Currently, commonly used ceramic substrate materials for electronic packaging include alumina (Al2O3), aluminium
A water temp pcb is a circuit assembly specifically designed to monitor and control the temperature of water. Its core function is to ensure that various water-related systems operate efficiently and safely within a set temperature range. Such circuit boards typically contain several key components to enable precise management and regulation of water temperature. ComponentsTemperature
Solder beads refer to the small spherical or dotted solder that appears on the pads or on the metal layer on the backside after SMT circuit board assembly. The diameter of the bead is roughly between 0.2mm and 0.4mm, but there are also more than this range, mainly concentrated around the chip resistive components. The
Flex pcb production starts with designing the circuit board structure and layout. A flexible circuit board is a printed circuit board that is designed to be flexible and bendable. Unlike traditional rigid circuit boards, flexible circuit boards are made of thin, flexible materials such as polyimide or polyester film. These materials allow the circuit board
PCB connector is a key component used in electronic equipment to achieve circuit connection and signal transmission, plays a key role in connecting circuit boards and external devices, and achieving signal and current transmission. In modern electronic products, the design and selection of connectors are critical to the performance, stability and reliability of the entire
HF board refers to special circuit boards with high electromagnetic frequency, which are used in the field of high frequency (frequency greater than 300MHZ or wavelength less than 1 metre) and microwave (frequency greater than 3GHZ or wavelength less than 0.1 metre), and the circuit boards are produced by using some of the processes of
Printed circuit board radio frequency (RF) chip, also known as printed circuit board rf chip, is the core components in the field of wireless communications and are responsible for converting RF signals to digital signals or digital signals to RF signals for wireless transmission of information. RF chips are usually composed of several key parts,
A double sided PCB board (or 2-layer PCB) is a printed circuit board coated with copper on both sides, top and bottom. There is an insulating layer in the middle. To use circuits on both sides, there must be a proper circuit connection between the two sides. The ‘bridge’ between such circuits is called a
Bluetooth pcb board is a key electronic component that plays an important role in modern technology. Bluetooth pcb board is a wireless communication technology that transmits data and information through wireless signals. It uses specific frequencies and protocols for communication and allows interconnectivity between devices. The output of Bluetooth circuit boards is to transmit data
In printed circuit board (PCB) manufacturing, pcb warping and twists are often seen as the top defects in nonconformities, which often stems from a lack of in-depth understanding of their causes. Many novice inspectors incorrectly regard perfectly flat, rigid boards as the norm, but in reality, understanding the root causes of PCB warping and twisting
Layers of a pcb is the copper layer, PCB is made of copper layer + substrate compression and become, in addition to a single panel is a layer of copper, double-sided above the board is an even number of pcb layers. Components are soldered on the outermost layer, the other layers play a role in
In the process of repairing and modifying electronic equipment, mastering how to remove IC chips is an important skill. IC (integrated circuit) chips are widely used in a variety of electronic equipment, and understanding the process of removing them can not only help you repair the faulty equipment, but also facilitate the modification of electronic
PCB buttons are everywhere we live and work, from mobile phones and TV remotes to computer keyboards, keys are an important medium of interaction between us and our devices. PCB buttons are switching elements embedded in a printed circuit board (PCB), typically used to receive input commands from the user.When the user presses the button,
In modern electronic equipment, high-frequency and high-speed performance is gradually becoming the industry standard. People have higher requirements for the speed, precision and reliability of various electronic products, which makes the issue of signal integrity in PCB (Printed Circuit Board) design particularly important. When we talk about high-frequency, high-speed SOCKETs, signal integrity is not only
Main Steps in Printed circuit board fabrication:To get a clear picture of the printed circuit board fabrication process, let’s take a step-by-step look at how a PCB develops from an idea on paper to the final product. While delving deeper into the PCB manufacturing process, it is worth noting that there are many types of
Printed circuit boards (PCBs) are the foundation of modern electronics, and their manufacture involves a wide range of materials and chemicals. However, as environmental awareness grows, global requirements for PCB production are becoming “greener” to minimize harm to the environment and human health. RoHS compliant PCBs have emerged to not only meet the strict environmental
How to choose between ceramic pcb vs fr4? This article will show you how to choose. Ceramic pcb: a circuit board made of ceramic material, also known as ceramic PCB (Printed Circuit Board). Unlike the common glass fiber reinforced plastic (FR-4) substrate, ceramic circuit board uses ceramic substrate, which can provide higher temperature stability, better
In modern electronic equipment, the design and manufacture of radio frequency (RF) PCBs are receiving more and more attention. With the rapid development of wireless communications and a variety of high-tech products, the coupling of RF PCBs has become one of the most important factors affecting the quality of signal transmission and overall system performance.
The audio ic board is one of the important components in the speaker equipment, and it undertakes many key functions. First, the audio IC board is responsible for receiving the signal from the audio source and converting the signal into current, then amplifying the current through the power amplifier part, and finally driving the speaker
In the electronics industry, pcb plays a vital role. It is the support of electronic devices and the key to circuit connection. In the development history of pcb, multi-layer pcb has been widely used, while 3 layer pcb is relatively rare in actual circuit board processing due to its unique structure and performance.Why are three-layer
