Disc apertures, molybdenum (EMS)

Apertures are easily cleaned by either an aperture flamer or over a bunsen burner in the open air. A wide variety of Platinum Drilled Apertures are available with different configurations suiting all of your needs. 

Apertures size tolerances vary as follow:

  • Nominal hole diameter: ±1µm
  • Disc diameter: ±10µm
  • Disc thickness: ±10µm

Size and Applications:

  • 2mm dia. x 0.24mm thick: Phillips, Cameca
  • 2mm dia. x 0.53mm thick: Cambridge, Siemens, JEOL, Cameca
  • 3mm dia. x 0.12mm thick: Zeiss, Nanolab, Novascan
  • 3mm dia. x 0.24mm thick: Philips, ARM, AEI, Cambridge

Technical Data

Updated: 28-11-2025
Code Hole size Size Pack Size Availability Price Updated: 28-11-2025
EMS42005-MO 5um 2mm dia. x 0.53mm Each 0 in stock (?) $491.00 AUD
EMS44005-MO 5um 3mm dia. x 0.24mm Each 0 in stock (?) $574.00 AUD
EMS40010-MO 10um 2mm dia. x 0.24mm Each 0 in stock (?) $487.00 AUD
EMS42010-MO 10um 2mm dia. x 0.53mm Each 0 in stock (?) $487.00 AUD
EMS43010-MO 10um 3mm dia. x 0.12mm Each 0 in stock (?) $306.00 AUD
EMS44010-MO 10um 3mm dia. x 0.24mm Each 0 in stock (?) $425.00 AUD
EMS45010-MO 10um 4mm dia. x 0.165mm Each 0 in stock (?) $425.00 AUD
EMS46010-MO 10um 6mm dia. x 0.24mm Each 0 in stock (?) $487.00 AUD
EMS47030-MO 10um 6.35mm dia. x 0.06mm Each 0 in stock (?) $487.00 AUD
EMS42015-MO 15um 2mm dia. x 0.53mm Each 0 in stock (?) $206.00 AUD
EMS44015-MO 15um 3mm dia. x 0.24mm Each 0 in stock (?) $209.00 AUD
EMS40020-MO 20um 2mm dia. x 0.24mm Each 0 in stock (?) $202.00 AUD
EMS42020-MO 20um 2mm dia. x 0.53mm Each 0 in stock (?) $195.00 AUD
EMS43020-MO 20um 3mm dia. x 0.12mm Each 0 in stock (?) $228.00 AUD
EMS44020-MO 20um 3mm dia. x 0.24mm Each 0 in stock (?) $209.00 AUD
EMS45020-MO 20um 4mm dia. x 0.165mm Each 0 in stock (?) $281.00 AUD
EMS46020-MO 20um 6mm dia. x 0.24mm Each 0 in stock (?) $339.00 AUD
EMS44025-MO 25um 3mm dia. x 0.24mm Each 0 in stock (?) $202.00 AUD
EMS40030-MO 30um 2mm dia. x 0.24mm Each 0 in stock (?) $193.00 AUD
EMS42030-MO 30um 2mm dia. x 0.53mm Each 0 in stock (?) $195.00 AUD
EMS43030-MO 30um 3mm dia. x 0.12mm Each 0 in stock (?) $210.00 AUD
EMS44030-MO 30um 3mm dia. x 0.24mm Each 0 in stock (?) $202.00 AUD
EMS45030-MO 30um 4mm dia. x 0.165mm Each 0 in stock (?) $214.00 AUD
EMS46030-MO 30um 6mm dia. x 0.24mm Each 0 in stock (?) $311.00 AUD
EMS42040-MO 40um 2mm dia. x 0.53mm Each 0 in stock (?) $195.00 AUD
EMS44040-MO 40um 3mm dia. x 0.24mm Each 0 in stock (?) $188.00 AUD
EMS40050-MO 50um 2mm dia. x 0.24mm Each 0 in stock (?) $177.00 AUD
EMS42050-MO 50um 2mm dia. x 0.53mm Each 0 in stock (?) $177.00 AUD
EMS43050-MO 50um 3mm dia. x 0.12mm Each 0 in stock (?) $210.00 AUD
EMS44050-MO 50um 3mm dia. x 0.24mm Each 0 in stock (?) $178.00 AUD
EMS45050-MO 50um 4mm dia. x 0.165mm Each 0 in stock (?) $210.00 AUD
EMS46050-MO 50um 6mm dia. x 0.24mm Each 0 in stock (?) $311.00 AUD
EMS47050-MO 50um 6.35mm dia. x 0.06mm Each 0 in stock (?) $311.00 AUD
EMS43060-MO 60um 3mm dia. x 0.12mm Each 0 in stock (?) $208.00 AUD
EMS44060-MO 60um 3mm dia. x 0.24mm Each 0 in stock (?) $179.00 AUD
EMS42070-MO 70um 2mm dia. x 0.53mm Each 0 in stock (?) $177.00 AUD
EMS43070-MO 70um 3mm dia. x 0.12mm Each 0 in stock (?) $214.00 AUD
EMS44070-MO 70um 3mm dia. x 0.24mm Each 0 in stock (?) $178.00 AUD
EMS45070-MO 70um 4mm dia. x 0.165mm Each 0 in stock (?) $214.00 AUD
EMS40100-MO 100um 2mm dia. x 0.24mm Each 0 in stock (?) $171.00 AUD
EMS42100-MO 100um 2mm dia. x 0.53mm Each 0 in stock (?) $163.00 AUD
EMS43100-MO 100um 3mm dia. x 0.12mm Each 0 in stock (?) $202.00 AUD
EMS44100-MO 100um 3mm dia. x 0.24mm Each 0 in stock (?) $172.00 AUD
EMS45100-MO 100um 4mm dia. x 0.165mm Each 0 in stock (?) $184.00 AUD
EMS46100-MO 100um 6mm dia. x 0.24mm Each 0 in stock (?) $311.00 AUD
EMS47100-MO 100um 6.35mm dia. x 0.06mm Each 0 in stock (?) $255.00 AUD
EMS40150-MO 150um 2mm dia. x 0.24mm Each 0 in stock (?) $171.00 AUD
EMS43150-MO 150um 3mm dia. x 0.12mm Each 0 in stock (?) $201.00 AUD
EMS44150-MO 150um 3mm dia. x 0.24mm Each 0 in stock (?) $173.00 AUD
EMS47150-MO 150um 6.35mm dia. x 0.06mm Each 0 in stock (?) $255.00 AUD
EMS43200-MO 200um 3mm dia. x 0.12mm Each 0 in stock (?) $201.00 AUD
EMS44200-MO 200um 3mm dia. x 0.24mm Each 0 in stock (?) $173.00 AUD
EMS47200-MO 200um 6.35mm dia. x 0.06mm Each 0 in stock (?) $255.00 AUD
EMS43300-MO 300um 3mm dia. x 0.12mm Each 0 in stock (?) $201.00 AUD
EMS44300-MO 300um 3mm dia. x 0.24mm Each 0 in stock (?) $172.00 AUD
EMS44400-MO 400um 3mm dia. x 0.24mm Each 0 in stock (?) $173.00 AUD