3-D Laser Inspection

Solutions For Solder Paste And
Component Placement Process Improvement

Detecting Defects Early is the Key to Reducing Rework, Scrap, and Field Failure Costs
In a world of relentlessly shorter product life cycles, increased global competition, and heightened consumers' expectations, SMT manufacturers have increasingly recognized that reducing product defects is a critical aspect of profitability and a necessity for remaining competitive.

SMT inspection provides these benefits:

Early Defect Detection.
Paste defects are detected as they occur, allowing you to remove defective boards before you add value. In addition, component placement inspection provides a means of detecting errors prior to reflow, reducing expensive final rework.

Process Control.
The accurate data collected is available for real-time statistical process control.

Process Improvement.
Using inspection data to better understand and control your process enables faster start-up, faster changeover, and continual process improvement.

Solder Paste Volume: The Key to Solder Joint Quality
Studies have shown that correct solder paste volume is the most important variable in producing solder joint quality. Joints produced with low paste volume may visually appear adequate and may pass functional test, but can result in field failure. 80% of all SMT board defects can be traced to the paste application process.

SMT inspection systems provide 3-D volumetric measurements of all solder paste depositions. Identifying out of range conditions for immediate action and maximizing your manufacturing efficiency.

• The PM-2 hand held digital viscometer allows measurements of solder paste to be made either in containers or directly on the screen printer.
• The easy to read, high contrast LCD shows viscosity and temperature of the tested sample.
• Fixed shear rate and shear time insures that no complicated calculations are required.

• More accurate and repeatable than the PM-2, the PC-1TL is a table top digital viscometer incorporating the patented Malcom spiral pump method. The system comes complete with a temperature sensor.
• The PC-1TL is not user dependent with a repeatability of +/- 2 percent.
• With optional cylinder sets, the PC-1TL can be used to measure a wide range of fluids.
• The PC-1TL is widely used for incoming inspection and rheological analysis of materials.

• The PCU-200 series viscometers are laboratory grade digital viscometers that allow even first time users to get accurate repeatable results.
• The PCU-200 series units come with a built-in thermal printer for logging test results.
• The units also come with built-in temperature controllers to maintain temperature during testing.
• Acquisition of viscosity data for rheological analysis can be performed automatically with optional software (standard on the PCU-205).