Buy SEM Supplies Online - Apertures, Tapes, Paints & Tabs

Aperture for beam regulation. Made of molybdenum or platinum. 0.470" x 0.004" thick Other sizes and materials available on request. Learn More

Disc size - 2 mm x 0.50 mm Other holes sizes available

Click Here for self cleaning apertures of this type

Learn More

Self-Cleaning Apertures - Philips Type - Gold Foil - 3mm x 0.25mm Learn More

Camscan, ISI, Topcon Disc Apertures Disc size - 4 mm x 0.165 mm Other hole sizes available. Please contact us with your request Learn More

Disc size - 6 mm x 0.24 mm Need a hole size not shown above? We manufacture any hole size you need, just call or e-mail your requirements and we can quote you. Learn More

A specimen of 200 mesh gold screening is firmly affixed to an SEM specimen mount. This provides a quick method of determining image quality. Good surface detail discernible at reasonably high magnification. Will not oxidize.

Please state specimen mount required.

Learn More

Replica specifically made for SEM use is taken from a ruled diffraction grating with two sets of lines ruled at right angles to each other. There are 54,864 lines per inch in both directions. A 50 mesh screen is placed over entire grating for strength. Useful for magnification determination, detection and measurement of lens distortion, and the determination of the degree of fore-shortening in an image, as a function of specimen tilt. Measurement chart and instructions included.

Please specify the type of specimen mount required.

Learn More

Replica taken from a ruled diffraction grating. Useful for magnification of 3000x to 30,000x. A 50 mesh screen is placed over entire grating for strength. Measurement chart and instructions included.

Please specify the type of specimen mount required.

Learn More

Made specifically for use in SEM's. This replica is taken from a ruled diffraction grating with 15,240 lines per inch. Very useful for magnification determination in the range of 1000x to 15,000x. A 50 mesh screen is placed over entire grating for strength. Measurement chart and instructions included.

Please specify the type of specimen mount required.

Learn More