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The Importance Of X-RAY Inspection Of PCBA Boards

Dec 31, 2021

What is 3D X-Ray machine?

3D X-RAY machine is the ability to synthesize the scan map 3D display, the principle is through the X-ray focus scanning with computer synthesis of three-dimensional image, which with us in the hospital CT chest type, you can see the PCBA board internal welding effect, and 2D X-Ray can only scan the surface of the PCBA board, can only look at some whether the broken line, short circuit, whether there are bubbles, holes and other issues. And 3D X-RAY can detect PCBA HIP pillow effect, BGA whether empty solder and other issues, so the scale of strength, formal SMD processing plant needs to have 3D X-RAY detection capabilities.

The basic principle and advantages of 3D X-Ray

3D X-Ray through 30 minutes of pre-preparation, scanning, analysis synthesis and other work to get a 3D composite map, to test the internal structure of the PCBA one by one cut to reveal different depths of each layer of the image, and then to determine the purpose of defects, 3D X-ray than 2D scanning to present more accurate three-dimensional imaging results, easier to detect BGA pillow, empty solder and other issues.

Main applications of 3D X-Ray

Defect inspection of IC packages: cracks in the black glue, silver glue and bubbles in the black glue.

Printed circuit boards may produce defects such as: poor line alignment or bridging and open circuit, plating hole process quality inspection, multi-layer board circuit configuration analysis of each layer.

Defect inspection of short circuit or abnormal connection that may arise in various types of electronic products.

High density plastic material rupture or metal material hole inspection.

Finished product inspection: This is generally used in precision machined parts, some size and precision requirements of the workpiece is relatively high.

NeoDen X-ray machine

X-Ray Tube Source Specification

Type Sealed Micro-Focus X-Ray Tube

voltage Range: 40-90KV

current Range: 10-200 μA

Max Output Power: 8 W

Micro Focus Spot Size: 15μm

Flat Panel Detector Specification

Type TFT Industrial Dynamic FPD

Pixel Matrix: 768×768

Field of View: 65mm×65mm

Resolution: 5.8Lp/mm

Frame (1×1): 40fps

A/D Conversion Bit: 16bits

Dimensions: L850mm×W1000mm×H1700mm

Input Power: 220V  10A/110V  15A  50-60HZ

Max Sample Size: 280mm×320mm

Control System Industrial: PC WIN7/ WIN10 64bits

Net Weight: About 750KG

High Speed SMT machine

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