SPI Supplies® Brand Apertures and Microholes

Quality you can trust, drilled or gold foil thin film


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Introduction to SPI Apertures generally and gold foil thin film apertures specifically. Note the close tolerances of the various concentric "rings" or "circles" as evidenced by inspection images done by one of our in-house SEMs.

Examples of data taken using gold foil thin film
1 and 2 um hole apertures

Aperture Selections:
Pt drilled, showing cleanliness
of the drilled hole


Aperture Handling and Installation Instructions:
Aperture Cleaning:
Gold foil thin film: Note the
structureless and featureless
rim of the hole
Hole size: 15 µm


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Friday May 09, 2008
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