Our technical glossary on the topic of coating thickness measurement, material analysis and the characterization of surfaces.

Search for term:

Definition: Aperture

The use of an Aperture (collimator) restricts the cross-section of the primary X-ray beam, creating a measurement spot with a pre-defined size, which allows precise adjustment of the size and shape of the X-ray beam to the specimen geometry. Depending on the measurement system, individual fixed apertures or exchangeable multi-apertures are employed.

For measurements on very small objects such as the bond areas on leadframes, the Aperture is substituted by a special X-ray optics with mirrors or poly-capillaries, which simultaneously provides for both a very small measurement spot and high excitation intensity.


Your contact to FISCHER


Fischer Technology Inc.
Windsor/United States

Contact directly
Phone: (860) 683-0781
Online contact form