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X-ray inspection methods for controlling PCBA potting process GÇö 2DX and partial angle computer tomography
2016 Edition, January 1, 2016 - SMTA

High performance X-ray inspection systems are widely used in the PCBA manufacturing process. These include 2DX systems with sub-micron feature recognition that are equipped with 3D micro-CT (Computer Tomography) and Large Board CT 1-2...

Development of an automated X-ray inspection method for microsolder bumps
2005 Edition, January 1, 2005 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

BGA, CSP, and flip-chip packages are widely used in printed circuit boards. These packages use an array of solder bumps as the electrical junction. To reduce the failures in manufacturing and after long-term use, solder bump inspection is strongly required for quality...

Application of X-ray Inspection for Ultra High Voltage Gas-insulated Switchgear
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Owing to the strong penetration ability of X-rays and the imaging visibility, X-ray inspection has been gradually applied to power grids. However, various problems occur in the promotion and application of X-ray inspection in...

Application of Micro Focus X-ray Inspection System to Electronics
2018 Edition, December 1, 2018 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In recent years, quality evaluation of manufactured products By Non-Destructive Inspection (NDI) with X-ray has been attracting attention as this method analyzes the internal structure of manufactured products two-or three-dimensionally without destroying them. This...

Automated Inspection Using X-Ray Imaging
2011 Edition, November 1, 2011 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

With increasing concern on environmental contamination due to pipeline leak, the electronics industry is coming under increasing pressure to develop and apply automated inspection techniques for the inspection of welding line of steel tubes and structural casting....

Automated Solder Inspection Method by Means of X-ray Oblique Computed Tomography
2007 Edition, Volume 5, September 1, 2007 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

High-density LSI packages such as ball grid array (BGA) are being utilised in the car electronics and communications infrastructure products. These products require a high-speed and reliable inspection technique for their solder joints. In this paper, we propose an...

Measurement methods and 3D reconstruction algorithms of X ray CT inspection
2008 Edition, August 1, 2008 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

X-ray CT system is used for nondestructive inspection in industrial field. But there are some problems when we get the images of objects, namely rate of expansion, contrast and measurement area. This study aims at solving these problems by contriving oblique...

Coloured Synthetic Enhancement of Image Edge Obtained with X-Ray Imaging for Structural Integrity Inspection
2019 Edition, September 1, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents an improvement of nondestructive testing evaluation of inside parts of an object using the digital image processing of radiographic image obtained with high energy X-ray of 7.5 MeV from Betatron a distance of 1 meter from an object of interest. The objective...

Imaging-based NDT Methods for Electronic Devices
2019 Edition, June 1, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper reviews the non-destructive testing (NDT) methods used for electronic devices inspection. The C-mode scanning acoustic microscopy, X-ray, scanning electron microscope and infrared thermography are the most widely used NDT techniques in electronic...

Research Progress on an Intelligent X-ray Backscattering Nondestructive Testing Robot for the Internal Inspection of Petroleum Pipelines
2019 Edition, October 1, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The X-ray transmission imaging technology is often used for nondestructive testing outside the pipe, but for deep buried petroleum pipelines, its equipment cannot meet environmental layout requirements and one side accessible detection devices are needed. There...

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