Figure 1. Ultrasonic testing using pulse echo and through-transmission methods. Pulse echo (left and center) uses a transducer that sends and receives ultrasound energy, producing both A- and B-scan ...

THE authors of the work under notice commence with a summary of the objects of inspection, and follow this by descriptions of inspection methods ranging from the inspection of raw materials to the ...

The technology to enable sampling and the need for more metrology and inspection data in a production setting have aligned just in time to address the semiconductor industry’s newest and most complex ...

The Federal Highway Administration, under a congressional mandate, has proposed a revamp of its standards for bridge inspections and for those who evaluate the bridges in the field. It is the first ...

Improved ultrasonic (UT) inspection methods address storage tank integrity monitoring and assessment without removing tanks from service. By acquiring large amounts of high-density UT data and ...

Electron-beam inspection is proving to be indispensable for finding critical defects at sub-5nm dimensions. The challenge now is how to speed up the process to make it economically palatable to fabs.

Scientists have come up with what they say is a way to spot bridges at risk of collapsing that other methods might miss — and none too soon. In the United States alone, more than 200,000 bridges are ...