Knowledge Center

1. Principles and Advantages of LIFTLaser-Induced Forward Transfer (LIFT) utilizes pulsed lasers (UV-NIR, e.g., 355 nm, 1064 nm) to focus on a donor film, inducing localized phase change or vaporization. The resulting shockwave drives material transfer to a ...

I. Solder Paste Usage Control Follow the first - in - first - out principle. After the solder paste arrives at the factory, immediately affix the "Solder Paste Usage Control Label" and store it in a refrigerator at 2 - 8°C. Use the solder paste accord...

1. Importance and Challenges of Tension ControlIn R2R flexible PCB production, tension control of film substrates (e.g., PI, PET) directly impacts: Dimensional stability: Uneven tension causes stretching/shrinking, leading to misalignment; Proce...

1. Key Sources of Capacitance DeviationCapacitance tolerance (typically within ±10%) is influenced by: Dielectric material variation: Batch-to-batch differences in Dk and thickness; Process drift: Uneven lamination pressure/temperature...

Real-Time Monitoring of BGA Solder Joint Fatigue Cracks via Acoustic Emission Technology 1. Principles and Applicability of Acoustic Emission (AE)AE technology detects high-frequency elastic stress waves (20 kHz–1 MHz) released by internal material defo...

In non-halogen PCB manufacturing, balancing flame retardancy and dielectric performance is a complex challenge, primarily involving material selection, process optimization, and performance testing. The following is a detailed analysis: Sele...

Optimization of Dynamic Scheduling in PCB Production Lines within Smart Factories 1. Core Objectives of Dynamic Scheduling OptimizationThe primary goals are to allocate resources efficiently, reduce lead times, improve equipment utilization, and rapidly res...

Ｈow to use the reinforcement learning algorithm to optimize the nozzle path of the SMT placement machine: 1. Problem Modeling Model the nozzle path planning problem of the SMT placement machine as a Markov Decision Process (MDP). In this process, the ...

The Role of Via Filling Plating in Enhancing HDI PCB Reliability Via filling plating is a critical process in HDI (High-Density Interconnect) PCB manufacturing, where conductive material (e.g., copper) is deposited into micro-vias to significantly improve ele...

Analysis of Storage Time Limits and Causes for Immersion Tin (ISn) Surface Finish Immersion Tin (ISn), a chemical process depositing a thin tin layer on copper surfaces, is widely used in PCB surface treatment. However, its storage time is typically limited t...