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 The welded residue on the PCB is mainly salt substances that are not completely volatile or reaction to the solder reactions during the welding process. These residues may have adverse effects on the performance and service life of PCB , so they need to be removed in time. Common welded residues include residues of rosin welds and residues of organic acid welds. The residue of the rosin welded is mainly composed of polymer pine fragrance, undesirable activation agent, and salt generated between the rosin and melting welded welded during welding. These substances swell after the moisture absorption, and some substances also respond to water with water. The residues of organic acid welds are mainly composed of a variety of organic acids, and also contain some compounds that can produce halogen ions at high temperatures. This type of residue is the most difficult to remove salt formed by organic acids and solder formation. They have strong adsorption properties and poor solubility. In or

 Battery management systems BMS basically vary in each project or execution. The reason is that you cannot follow a particular set of guidelines for this purpose. There are some prominent factors that make them vary all the time! Let’s see them below! How complex the battery pack you are using makes the battery management system different. Is it affordable or expensive? The pricing is also an important factor here! Is the battery you are using easy for your projects and applications?  Are there any safety concerns or application risks that you need to look for in this particular battery pack? Sometimes the authority guidelines and industry standards can also affect battery management systems. BMS varies in different applications.  We cannot ignore the two highly important features of the battery management system BMS at this point. There have been cases when PCB producers were unable to consider these two aspects for serving positive results from their projects. So one of the crucial a

 pcb printed circuit board in communications, medical, industrial control, security, automotive, electric power, aviation, military, computer and other fields occupy an important position; with the increase in product features, the line is more and more dense, the production is also increasingly difficult. PCB in mass production before, are required to proof, to determine the sample there is no problem after the production. Then PCB proofing will encounter what difficulties? Let's look at it together. 1, the inner layer of the line production difficulties Multilayer board lines have high speed, thick copper, high frequency, high Tg value of various special requirements for the inner layer wiring and graphics size control requirements are increasingly high, the inner layer signal lines, the line width and spacing are basically about 4mil or less, the board layer, the core board thin production is easy to wrinkle, these factors will increase the production costs of the inner layer.

 How to choose a suitable flexible pcb board Flexible circuit boards, also known as flexible boards, are used in many fields, including cell phones, laptops, PDA, digital cameras, LCM, etc. Flexible circuit boards have many advantages, if you have a project that requires the use of flexible circuit boards, you should be such as any choice? After reading this article I hope it can give you some help. What is a flexible board? Flexible circuit is a technology developed by the United States in the 1970s for the development of aerospace rocket technology. It is a highly reliable, excellent flexing printed circuit made of polyester film or polyimide as a substrate, and is designed to form a bendable flexing circuit by embedding a circuit on a thin plastic sheet that can be bent, so that a large number of precision components can be embedded in a narrow and limited space. This type of circuit can be bent and folded at will with light weight, small size, good heat dissipation, and easy instal

 The substrate performs a pivotal position withinside the PCBA board, serving as a vital mechanical aid shape inside digital devices. It helps progressed electric and bodily connections for additives even as additionally allowing green sign transmission and electricity distribution. Nevertheless, the massive array of to be had substrate substances regularly affords a undertaking for designers. In PCBA projects, designers have the choice to pick among traditional FR4 substances, steel substrates presenting stronger warmness dissipation capabilities, or ceramics that excel in high-frequency/radio frequency performance. Opting for the maximum appropriate substrate cloth is paramount for our project’s success. In this article, FS Technology will offer an in-intensity comparative evaluation of FR4 and ceramic substrates, equipping you with the important understanding to make knowledgeable choices in the course of the layout process. Basic Concept Comparison Definition and Composition Cerami

 Medical PCB is a circuit board for medical equipment, which is widely used in medical lighting, ultrasound detection, physiological monitoring and other fields. Electronic components used in medical devices have high safety and reliability standards because they involve human health and medical safety. Therefore, there are many standard requirements in the design and production process of medical PCBs. Let's take a look. 1: Manufacturing requirements Design and function Because medical printed circuit boards are used for various devices that need to conform to non-standard sizes, it is very popular to use flexible and rigid flexible circuit boards in the entire medical industry. These circuit boards are made of flexible and lighter weights, which are easier to install in a small space. They are ideal for custom medical equipment. The flexible circuit board compresses the highly complex component into a small space to achieve the best device function without affecting quality. tech