PCB plug-in solder joint defect detection method based on …
We conduct a study on five major types of solder joint defects that seriously impact circuit performance: (a) Less tin, referring to insufficient solder which …
Soldering defect detection in automatic optical inspection
detection. B. Existing solder joint classification methods The existing classification methods for solder joints can be categorized into two groups based on the types of components they inspect. They are solder joint classification for non-package [19]-[22].
Cold solder joints – Unraveling the hazards, causes, detection, …
6 · Imagine a world without technology, where wires hang loose and components fail to connect. The culprit? Cold solder joints—a notorious adversary for electronic enthusiasts and professionals alike. So, fasten your seatbelt and join us on this journey to uncover the secrets of cold solder joints!
CN206074465U
A kind of battery based on machine vision and connection sheet solder joint detection means, which is characterized by it and is made up of controller, vision collecting equipment and transporter, and vision collecting equipment includes light source module, optical ...
Solder joint quality inspection is a crucial step in the qualification inspection of printed circuit board (PCB) components, and efficient and accurate inspection methods will greatly improve its …
Robust vision detection of pipeline solder joints
This paper aims to address the challenges of detecting small targets and complex environments by proposing a robust visual detection method for pipeline solder joints. The method is characterized by its simplicity, cost-effectiveness and ease of implementation.,A robust visual detection method based on the characteristics of …
How to Solder Battery Tabs
Now that you have gathered all the materials, it''s time to move on to the next step. Battery tab maintenance is essential to ensure a good solder joint. Clean the battery tabs thoroughly using a clean cloth and rubbing alcohol. Troubleshooting soldering issues …
This article proposes a novel solder joint recognition method based on the state-of-the-art Mask Region-convolutional neural network (R-CNN) deep learning method. Traditional classification methods, such as neural networks and statistical methods, can only classify defect type, and the template-matching method can only match the position of the …
Improved THT Solder Joint in PCB Defect Detection Model Based …
Detection of solder joint defects on printed circuit boards is an important means of improving the production quality of printed circuit boards. In this study, improvements are made to the YOLOv8 model by restructuring the neck network architecture of YOLOv8s through the BiFPN network. This modification reduces the number of parameters of the …
Joining Lithium-Ion Battery Tabs Using Solder-Reinforced …
Reliable and robust tab joints in pouch cells are key to the functional reliability and durability of lithium-ion batteries. In this study, a novel solder-reinforced adhesive (SRA) bonding technology is applied to lithium-ion battery tab joining, and its feasibility is explored by the application of simplified specimens. The three main …
ACR-Net: Attention Integrated and Cross-Spatial Feature Fused Rotation Network for Tubular Solder Joint Detection
Tubular solder joint detection is an important and challenging issue in the industry, due to the illegible objects, rarely collected datasets and requiring high-precision and real-time performance for positioning and angle estimation. In this article, we propose an Attention integrated and Cross-spatial feature fused Rotation Network (ACR-Net) for tubular solder …
Development of an Accurate and Automated Quality Inspection System for Solder Joints …
Appl. Sci. 2023, 13, 5290 4 of 19 Meanwhile, the detecting process is implemented through two phases: ROI extraction and quality assessment. Firstly, a fine-tuned YOLOv5 model is used to extract the ROI within the entire captured image, i.e., the row of solder
A reliable solder joint inspection method based on a light-weight …
In this paper, a reliable point cloud learning based method is implemented for high-speed solder joint shape defect detection. First, a light-weight neural network …
Deep learning based solder joint defect detection on industrial …
Around 85% of solder joints are normal, but also sent to the specialists for further inspection. In this work, the main problem is to detect true defect solder joints …
Line Scan Industrial Lens Application Of Battery Solder Joint …
Therefore, timely detection and correction of defects in battery welding joints is an important part of new energy battery production. As a core supplier of machine vision and industrial automation products, Pomeas can provide industrial lenses, industrial cameras, vision light sources and other core devices and complete vision solutions for …
Soldering defect detection in automatic optical inspection
This paper proposes an integrated detection framework of solder joint defects in the context of Automatic Optical Inspection (AOI) of Printed Circuit Boards (PCBs). X. Hao, W. Li, Z. Sun, S. Zhu, S. Yan, Z. Zhao, Detection of …
Extreme Learning Machine Based Defect Detection for Solder Joints
The experimental results demonstrate that the proposed defect detection method is more efficient than neural network, support vector machines, common extreme learning machine and convolutional neural network-based methods, and it has real-time performance to meet the equirement of the actual production line. The quality of solder …
Printed circuit board solder joint quality inspection based on …
According to PCB solder joint detection characteristics: 1) Small target discrimination requires finer semantic information. 2) Distinguishing between solder joints and background requires combining a large amount of …
Failures of electronic devices: solder joints failure modes, causes and detection …
In electrical components, there are numerous number of interconnects, solder joints, which mainly allow the electrical current to flow smoothly between the PCB and the integrated circuit (IC) component. Fig. 1.2 shows an example of a ball grid array (BGA) solder joint cross-section [1]..
Research on PCB solder joint defect detection method based on …
Printed circuit boards (PCBs) are an essential component of electronic products, and detecting solder joint defects is critical in the PCB production process. Machine vision …
Title: YOLO algorithm with hybrid attention feature pyramid network for solder joint defect detection …
Traditional manual detection for solder joint defect is no longer applied during industrial production due to low efficiency, inconsistent evaluation, high cost and lack of real-time data. A new approach has been proposed to address the issues of low accuracy, high false detection rates and computational cost of solder joint defect detection in …
YOLO algorithm with hybrid attention feature pyramid network for solder joint defect detection …
YOLO ALGORITHM WITH HYBRID ATTENTION FEATURE PYRAMID NETWORK FOR SOLDER JOINT DEFECT DETECTION LI ANG a,b, SITI KHATIJAH NOR ABDU RAHIM a, RASEEDA HAMZAH∗ c, RAIHAH AMINUDDIN c, AND GAO YOUSHENG a,b a College of Computing, Informatics and Mathematics, Universiti Teknologi MARA (UiTM), Shah
Intelligent Pseudo Solder Detection in PCB Using Laser-Pulsed …
Solder joints of printed circuit board provide the electrical and mechanical connections between electronic component and substrate. A pseudo solder inside the solder joint can reduce its electrical conductivity and often leads to crack initiation and propagation in service. The pseudo solder is a threat to the normal operation of the …
Automatic Detection of Solder Joint Defects on Integrated Circuits
In this paper an automatic inspection method for the diagnosis of solder joint defects on integrated circuits mounted in Surface Mounting Technology is presented. The diagnosis is handled as a classification problem with a neural network approach. Two classes of solder joints have been fixed with respect to the amount of the soldering paste. These …
SolderNet: Towards trustworthy visual inspection of solder joints …
Example images of solder joint defects from the dataset examined in this study: (A) fractured joint, (B) cold joint, (C) burns, (D) flux residue, (E) poor wetting, and (F) …
Applied Sciences | Free Full-Text | An Improved …
Focus on the requirement for detecting laser welding defects of lithium battery pole, a new model based on the improved YOLOv5 algorithm was proposed in this paper. First, all the 3 × 3 …
What is a Cold Solder Joint? Everything You Need to Know
Visual Inspection: This straightforward approach involves looking for joints that appear dull, grainy, or rough, unlike the shiny, smooth appearance of a good solder joint. X-ray Inspection: For more complex assemblies where joints are not visible externally, X-ray inspection provides a non-destructive way to examine solder joints.
