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Рекомендуем 4 бесплатных программы для проектирования печатных плат

Recommend 4 Free PCB Design Softwares If you’re new to PCB design, you might be interested in learning how to use free PCB design software. There are several different options available to you, including the popular Altium CircuitMaker, EasyEDA, PCB123, and ZenitPCB. All of these softwares are suitable for most novice designers, and are extremely […]

Разница между сборкой жесткой гибкой платы и сборкой многопластинчатой системы

The Difference Between Rigid Flex Board Assembly and Multi Plate System Assembly One of the differences between rigid flex PCB and multi plate system assembly is the materials used for the substrate. In rigid flex PCB, the substrate material is typically woven fiberglass or an epoxy resin. However, these materials are not as reliable as […]

Мостик припоя при волновой пайке Причины и решения

Solder Bridge of Wave Soldering Causes and Solutions In the process of soldering components, a problem called Solider bridge of wave soldering can occur. The problem can be caused by a variety of factors. Here are some causes and solutions. Listed below are three possible causes of this problem. The first reason is a result […]

Каковы общие факторы, вызывающие отказ печатных плат?

What Are the Common Factors That Cause PCB Circuit Board Failure? PCB circuit boards can fail for a variety of reasons. These include manufacturing defects, human error, and plating violations. While these reasons can’t be eliminated completely, they can be addressed during the design phase or during the CM’s inspection of the board. Human error […]

Стратегии проектирования печатных плат для параллельных микрополосковых линий на основе результатов моделирования

PCB Design Strategies For Parallel Micro Strip Lines Based on Simulation Results Several PCB design strategies for parallel micro strip lines are presented in this paper. The first one deals with dielectric constant, Loss tangent, and Coplanar microstrip routing. The second one discusses application-specific PCB trace design rules. Dielectric constant The dielectric constant of parallel […]

Печатные платы с высокой температурой и их применение

High Tg Printed Circuit Board and Its Applications High Tg printed circuit boards have a number of applications in aerospace. For example, jet engines produce thousands of micro vibrations per minute and require high Tg capabilities. Similarly, aircraft need to operate at temperatures ranging from -45degC to 85degC. In such environments, high Tg PCBs must […]

В чем разница между печатными платами и PCBA?

What is the Difference Between PCB and PCBA? There are a number of differences between PCB and PCBA, and it is important to understand what each means for your product. The differences are not limited to materials, but can also include component placement, soldering, and various inspections. Printed circuit boards can also be rigid or […]

Анализ причин недостаточного блеска припоя при пайке СМТ

Analysis of the Causes of Insufficient Solder Gloss at SMT Patch Insufficient solder gloss on a solder joint is caused by several factors. A component can have inadequate solder, it could have been overheated for a long time, or it could have peeled off at the solder joint due to age or excessive heat. Cold […]