Defect detection of glassivation passivation parts wafer surface with random texture and different brightness

C Meng, F Hao, P Li, J Shi - Measurement Science and …, 2023 - iopscience.iop.org
Automatic defect detection for glassivation passivation parts (GPP) wafer surface becomes
an extremely challenging task, due to the interference of random texture, disturbance of low …

A Gabor filter based weak crack detection method for glassivation passivation parts wafer

S Lang, F Zheng, P Li, C Meng - Measurement Science and …, 2023 - iopscience.iop.org
Crack defects on the surface of glassivation passivation parts (GPP) wafers are a significant
factor leading to chip functional failure. Thus, efficient and stable surface defect detection is …

A sub-region one-to-one mapping (SOM) detection algorithm for glass passivation parts wafer surface low-contrast texture defects

J Wang, Z Yu, Z Duan, G Lu - Multimedia Tools and Applications, 2021 - Springer
Abstract Glass Passivation Parts (GPP) wafer texture defects are one of the most important
factors affecting the accuracy of wafer defect detection. Template matching has local errors …

[HTML][HTML] Research on surface defect detection of glass wafer based on visual inspection

Z Huang, L Ling - Energy Reports, 2022 - Elsevier
Glass wafer (GW) is used in a variety of integrated circuit (IC) packaging applications and as
substrates to provide better performance and cost-effectiveness. Glass wafer (GW) protects …

[HTML][HTML] An Automatic Detection Method for Cutting Path of Chips in Wafer

Y Wang, H Jia, P Jia, K Chen - Micromachines, 2022 - mdpi.com
Highlights Cutting path Planning System for wafer images without Mark points in different
imaging states. Use the interlayer in the chip region as an auxiliary location to determine the …

A fast oxidation region detection algorithm based on differential geometry approach for high-density flexible integrated circuit packaging substrates

Z Zhong, Y Hu - Measurement Science and Technology, 2018 - iopscience.iop.org
Vision inspection has been widely used in the field of defect measurement as a noncontact,
nondestructive measurement technique. Conventional visual defect detection methods rely …

A coarse-to-fine angle automatic correction method for glassivation passivation parts wafer

C Meng, S Lang, F Hao, P Li… - … Conference on Machine …, 2023 - spiedigitallibrary.org
Due to the characteristics of small die size, large number of dies and large initial swing
angle of glassivation passivation parts (GPP) wafer, it becomes a more troublesome …

A fast surface defect detection method based on background reconstruction

C Lv, Z Zhang, F Shen, F Zhang, H Su - International Journal of Precision …, 2020 - Springer
In this paper, we propose an unsupervised background reconstruction method to detect
defects on surfaces with unevenly distributed textures. An improved deep convolutional …

A novel defect detection algorithm for flexible integrated circuit package substrates

Z Zhong, Z Ma - IEEE Transactions on Industrial Electronics, 2021 - ieeexplore.ieee.org
Efficient fabrication and high reliability of flexible integrated circuit package substrates
(FICS) urgently need effective defect detection methods. Based on the defect categories of …

Detection of oxidation region of flexible integrated circuit substrate based on topology mapping

Z Zhong, Y Hu - Multimedia Tools and Applications, 2019 - Springer
Vision inspection has been extensively used in the field of defect measurement field as a
non-contact and nondestructive measurement technique. The conventional methods of …