Hirox Fluorescence Images

 

The NIGHTSEA Model SFA adapter system adds a versatile fluorescence capability to the Hirox digital microscope. It can be used in a wide variety of applications, as illustrated by the examples below. Scroll down, or jump to any section of interest. Visit our Hirox product page for more information on the system and to request a quotation.

• Electronic component failure analysis
• Circuit boards – conformal coating and other fluorescence
• Anti-counterfeit – driver’s license
• Concrete thin section
• Epoxy on a small motor shaft
• Gel defect in a nylon granule
• Naturally fluorescent mineral
• Bone fragment in sand

 

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Electronic component failure analysis

Examining electronic components that was embedded in epoxy, cross-sectioned, polished, and highlighted with a fluorescent epoxy-like dye. While the manufacturer of the fluorescent dye recommended excitation with ultraviolet light, our Royal Blue light head was used for these images, and was found to be superior to ultraviolet. You can read more about this kind of inspection application in the article on this web site.

 

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Circuit boards – conformal coating and other fluorescence

Conformal coating on a circuit board, with damage. Images made with Ultraviolet excitation (left) and white light.

Circuit board, white light and fluorescence under Royal Blue excitation

 

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Anti-counterfeit – driver’s license

Images of the fluorescent markings on a driver’s license, made visible with ultraviolet light. These hidden markings on US licenses are generally quite different from state to state.

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Concrete thin section

The images below were made from a 20μm concrete thin section with the NIGHTSEA Royal Blue excitation. As with the electronic components above, the manufacturer of the fluorescent dye recommended excitation with ultraviolet light. Our Royal Blue light head was used for these images and was found to be superior to ultraviolet. You can read more about this kind of inspection application in the article on this web site.

Thin section courtesy of Department of Mineralogy and Geochemistry, Institute of Geoscience and Geography, University Halle-Wittenberg, Germany.

 

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Epoxy on a motor shaft

Small motor shaft with epoxy where it does not belong. Imaged with white light (left) and ultraviolet excitation, 20x magnification.

 

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Gel defect in a nylon granule

Nylon 6,6 granules can manifest a process defect called ‘gel’ and if there is too much of this in a production batch it can compromise downstream production. The gel shows up as a brighter fluorescent area within the fluorescing granule. You can read more about this in our application article. Images made with Royal Blue excitation.

 

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Naturally fluorescent mineral

This mineral sample, collected at the Sterling Hill Mine in Ogdensburg, New Jersey, contains willemite (green fluorescence), calcite (red fluorescence) and franklinite (black – no fluorescence).

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Bone fragment

Small bone fragment in sand.