The Introduction of Double-sided PCB Double-sided Printed Circuit Board is a very important kind of PCB board in circuit boards.There are double-sided circuit board metal base PCB boards,Hi-Tg heavy copper foil circuit boards,flat and winding double-sided circuit boards,and high-frequency PCB boards on the market.PCB,mixed dielectric base high-frequency double-sided circuit board, etc.,Double-sided Printed Circuit Board is suitable for a wide range of high-tech industries such...
New radiation-hardened chip from STMicroelectronics helps low-orbit satellites expand communications coverage and Earth observation services March 24, 2022, China – STMicroelectronics (ST; NYSE: STM), the world's leading semiconductor company serving multiple electronic applications, simplifies a new generation of small low-earth orbits (low-earth orbits, LEO for short) satellite design and mass production. Affordable and reliable low-orbit (LEO) satellites can provide services such as Earth...
The operating costs of listed magnetic component companies have basically risen, ranging from 15% to 86%. Among them, there are 6 magnetic companies with a change of more than 40%, namely: Hengdian East Magnetic, Jingquanhua, Sunlord, Maijie Technology, Igor, Platinum Branch New Materials. Reasons for rising operating costs In the first half of 2021, with the healthy progress of epidemic prevention and control, the global economic development generally improved, and the domestic economy...
PCBA testing refers to the testing of IC programming, circuit continuity, current, voltage, pressure and other aspects of the PCBA board. There are many uncontrollable factors in the production process of PCBA. It is difficult to ensure that the PCBA is an intact product. PCBA testing is a necessary link to strictly control the quality of shipments. PCBA test generally formulates a specific test process according to the customer's test plan. The basic PCBA test process is as follows: Program...
Huizhou Liandajin Electronic Co., Ltd is a solutioner for high precision double-sided and multi-layer Printed Circuit Board(1-20 layers),the production process of printed circuit boards is many and complex. The production process of double-sided circuit boards was introduced earlier, and the production process of multilayer circuit boards is similar.
Three key sectors: IC carrier board, automotive board, Miniled board IC carrier board: the first level packaging substrate with "technological homology" with PCB The IC carrier board is directly used to mount the chip, and can provide functions such as electrical connection, protection, support, heat dissipation, and assembly for the chip. The packaging substrate is used as a level 1 packaging material and is located upstream of the printed circuit board processing. Packaging substrates usually...
The direct point of PCB Panel is to combine several small PCB units with various connection methods. The more common puzzles include AA sequential spelling, AB positive and negative spelling, AA rotating spelling, AB Yin and Yang spelling, ABC mixed spelling and so on. PCB design engineers usually take into account the product's structural size, electrical performance, component layout and other functional aspects during panel design. How to improve SMT production efficiency in panel design and...
As the integration of IC is getting higher and higher, the IC pins are getting denser and denser, and it is difficult to blow the thin pads flat by the vertical tin spraying process, which brings difficulties to the SMT placement. In addition, the tin spraying board The standby life is very short, and the gold-plated plate just solves these problems. 1. For the surface mount process, especially for the ultra-small surface mounts such as 0603 and 0402, because the flatness of the pad is directly...
A flexible printed circuit board is a type of PCB designed to meet the needs of flexible electronic circuits. Flexible printed circuits were originally designed to replace traditional wire harnesses. From its first application during World War II to the present, flexible circuit boards have improved exponentially. Flexible printed circuits are produced using flexible laminates. The flexible laminate holds the conductive foil as well as the dielectric substrate. Flexible circuit boards can be...
The production process of circuit boards is relatively complicated. Next, we will introduce the production process of double-layer circuit boards. Cover plate (aluminum plate): prevent the drill hole from being burrowed, prevent the burr on the upper surface of the drill hole, protect the copper clad layer from being crushed, improve the hole position accuracy, cool the drill bit, and reduce the drilling temperature.thickness: 0.15mm-0.2mm. Backing plate (composite plate): It plays the role of...
1. PCB size 【Background Description】 The size of the PCB is limited by the capabilities of the electronic processing production line equipment. Therefore, the appropriate PCB size should be considered in the design of the product system scheme. (1) The maximum PCB size that SMT equipment can mount is derived from the standard size of the PCB sheet, most of which are 20″×24″, that is, 508mm×610mm (rail width) (2) The recommended size is the size that matches the equipment of the SMT production...
Immersion gold plate and gold-plated plate are the processes that are often used in PCB circuit boards. So what impact will these two gold plates have on the circuit board? The following is a detailed explanation for you. What is gold plating? What we mean by gold plating on the whole plate generally refers to electroplated gold, electroplated nickel gold plate, electrolytic gold, electroplated gold, electroplated nickel gold plate, there is a distinction between soft gold and hard gold...
1. New energy vehicles help the rapid development of PCB PCBs are widely used in automotive electronics, including power control systems, safety control systems, body electronics systems, and entertainment communication systems. Therefore, the requirements for PCBs are diversified, and products with large quantities and low prices are highly reliable. Sexual needs coexist. New energy vehicles: The value of a single vehicle PCB brought by the vehicle controller (VCU), motor controller (MCU) and...
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