The depth of the etched patter is nominally 180 nm. This version of the product was developed specifically for critical dimension and metallurgical microscopy users in the semiconductor industry who typically work on samples without any cover slip anyhow. This product has the etched pattern mounted on a 20 mm x 20 mm square 0.525 mm thick fused silica carrier for a total height of 1.05 mm. The slide is mounted into a standard slide size aluminum frame. The prospective user should note that the surface is completely unprotected and great care must be taken at all times to prevent any physical contact.
Nothing physically can touch the surface without the potential for damage.
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