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Top Hat
Electron Microscope Apertures

for Zeiss, LEO, Nanolab, Novascan

Electron Microscope Top Hat Aperture

Countersink 14° for aperture holes up to 300µm.
Countersink 90° for aperture holes 500 and 700µm.
Countersink 53° for hole aperture hole of 1000µm.

3.04mm diameter base with a thickness of 0.25mm.
Smaller diameter is 2.0mm.
Total thickness is 1.0mm.

Conventional apertures can be partly transparent for X-rays causing a higher background level when using EDX analysis. The thicker top hat apertures reduce X-ray transparency.

Top Hat Apertures 3.04mm Base O.D., 2mm Hat O.D. x 1mm total thickness
LEO, Zeiss, Nanolab, Novascan
Platinum-Iridium (95:5)
Hole Dia. µmProd #PriceOrder / Quote
20μm
65020
$319.50
Qty:
30μm
65030
285.50
Qty:
50μm
65050
240.90
Qty:
70μm
65070
216.85
Qty:
100μm
65100
207.50
Qty:
150μm
65150
207.50
Qty:
200μm
65200
207.50
Qty:
300μm
65300
207.50
Qty:
500μm
65155
207.50
Qty:
700μm
65157
207.50
Qty:
1000μm
65159
207.50
Qty: