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26
2018-09
Shenzhen LeaKin Technology Hardware Engineer Training Tutorial: PCB Design Guide for 100-Ampere Current Ratings
Master the core principles of PCB design for high currents in the hundreds of amperes, including the thermal effects of current, wire resistance calculations, and thermal management techniques. Understand the mechanisms by which different materials and layouts affect current-carrying capacity, and become familiar with the professional standards for industrial-grade high-current designs.
2018-09-26
21
2018-03
SMT Core Processes and Practical Handbook for Defect Prevention
This textbook covers comprehensive optimization solutions for the entire process of SMT core technologies, making it suitable for internal training and technical communication with customers. Modern SMT processes are evolving toward intelligence and data-driven approaches. It is recommended that companies adopt SPC statistical process control systems and MES manufacturing execution systems to achieve real-time monitoring and dynamic optimization of process parameters. By strictly implementing the technical specifications and quality control measures outlined in this textbook, SMT production yield can be significantly improved, quality costs reduced, and market competitiveness enhanced. These proven process control methods are particularly crucial in high-reliability application areas such as automotive electronics and medical devices.
2018-03-21
06
2014-02
A Comprehensive Guide to Preventing and Controlling PCB Warping: A Holistic Solution from Design to Production
In the PCB manufacturing industry, board warpage is a widespread issue that significantly impacts product quality. According to IPC-6012, "Qualification and Performance Specification for Rigid Printed Boards," the maximum allowable warpage and twist for surface-mount printed boards is 0.75%, while other types of boards are permitted up to 1.5%. In practical applications, different scenarios have even stricter requirements: most SMT assembly processes require warpage to be within the range of 0.70% to 0.75%, BGA boards demand warpage below 0.5%, and some high-end electronics manufacturers even set the requirement as low as 0.3%.
2014-02-06
10
2014-01
Core PCB Board Electrical Parameter Analysis and Industrial-Grade Application Guide
In the design of industrial-grade and higher-performance electronic products characterized by high speed, high density, and high reliability, printed circuit board (PCB) substrates are no longer merely simple interconnection carriers. Instead, their electrical parameters, thermal performance, and reliability directly determine the performance limits and long-term stability of the final product. To help you quickly develop a systematic understanding, the table below summarizes the most critical electrical parameters of PCB substrates and their design implications.
2014-01-10
30
2013-12
Regarding the panelization issue in PCB manufacturing.
First, let’s talk about panelization. As we all know, the primary challenge in panelization is to reduce production costs. For PCB panel widths ≤260mm to 300mm, the specific requirements vary depending on the production line. Since we may have a large variety of materials, and each processing machine typically uses one material gun per module, if the panel size exceeds the module’s capacity, the processing speed will slow down dramatically.
2013-12-30