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EM-Storr vacuum sample storage container

Products #13-001050-P, #13-001050-H, #13-001050-T, #13-001050-F, #13-001052-L, #13-1054-L

EM-Storr vacuum sample storage container for 19 x Ø12.7mm pin stubs EM-Storr vacuum sample storage container for 60 TEM grids   EM-Storr vacuum sample storage container for 19 x Ø15mm Hitachi stubs

Description

The EM-Tec EM-Storr vacuum sample storage container has been specifically developed to store and protect SEM / FIB / TEM-samples and calibration standards under vacuum. It protects valuable samples from air, moisture and dust. The superior EM-Storr vacuum container is constructed using high vacuum design guidelines and high vacuum compatible materials:

  • Vacuum grade aluminium, protective anodised coating only outside the vacuum chamber
  • Hardened safety glass lid Ø100mm x10mm; specified to withstand 7 bar
  • NBR O-ring with size: Ø85mm x Ø5mm cross section
  • All metal high vacuum valve with PTFE shaft seal and 6mm (1/4”) barbed hose connection
  • Silicon O-ring to hold the pin stubs or Hitachi stub adapters with size:  Ø3mm ID x Ø1.5mm cross section

The outside of the aluminium container is hard anodised for protection. To reduce outgassing and to hold vacuum for extended periods, the inside surface is machined vacuum grade aluminium with a glass lid. The EM-Storr vacuum desiccator is capable of reaching vacuum in the 10-4 mbar range. The vacuum connection for pump-down is a 6mm (1/4”) barbed hose fitting – compatible with 6mm thick wall silicon vacuum hose.  The EM-Storr vacuum containers are stackable; the octagonal design is optimised for handling, strength and weight.


Storage Capacity

The EM-Storr model 81 vacuum sample storage container comprise storage capacity for SEM pin stubs, Hitachi M4 cylinder stubs, TEM grids and FIB grids (the latter two in appropriate grid boxes). The pin stubs are securely held with small O-rings; stub adapters with M4 thread hold the Hitachi M4 threaded sample stubs. EM-Storr model 83 comprises a deeper vacuum chamber of 26mm x Ø80mm for large or bulk samples.
Storage capacity of the EM-Storr vacuum sample storage containers is:

Model Samples

Product #

Capacity

EM-Storr 81P

Pin stubs

13-001050-P

19xØ12.7mm or 7xØ25.4mm or 2xØ32mm or 1 x Ø38/Ø50/Ø63mm pin stub

EM-Storr 81H

Hitachi M4 stubs

13-001050-H

19xØ15mm or 7xØ25mm or 2xØ32mm or 1 x Ø50/Ø63mm cylinder stub

EM-Storr 81T

TEM grids

13-001050-T

2x30 TEM grids in the EM-Tec #28-0010130 GB-30 TEM storage box

EM-Storr 81F

FIB lift-out grids

13-001050-F

100 FIB lift-out grids in the EM-Tec #28-002100 FSB100S FIB grid storage box

EM-Storr 83L

Large / Bulk

13-001052-L

Maximum size 26mm x Ø80 mm

EM-Storr 110L

Bulk/large samples

13-1054-L

Large samples, maximum size Ø110 x 25mm



Operation

                Storing samples under vacuum

  • Place the EM-Storr vacuum sample container on a stable and flat surface
  • Make sure that the EM-Storr vacuum container is horizontal and level
  • Place the samples in the storage area: for SEM stubs use SEM stub gripper tweezers and push the pin in the holes. Select appropriate holes to maximise storage capacity
  • Check if O-ring surface is clean; if not, wipe clean with a lint-free cloth
  • Check if glass lid is clean; if not, wipe clean with a lint-free cloth
  • Place glass lid on the O-ring; center the lid so it doesn't touch the protective posts
  • Connect vacuum pump to the barbed hose connection on the vacuum valve using a 6mm vacuum hose
  • Make sure the vacuum valve is opened (turn counter clock-wise)
  • Switch the vacuum pump on and pump down (push down on the glass lid to provide an initial seal if needed)
  • When the required vacuum level has been reached, close the vacuum valve (turn clock-wise)
  • Switch the vacuum pump off and remove the 6mm vacuum hose.
  • The samples are now stored under vacuum

                Retrieving samples from vacuum

  • Place the EM-Storr vacuum sample storage container on a stable and flat surface
  • Make sure that the EM-Storr vacuum container is horizontal and level
  • Open vacuum valve (turn counter clock-wise) to vent; you might hear a hissing sound
  • Remove the glass lid; it might be needed to pull the glass lid to break the seal on the O-ring
  • Place the glass lid on a soft clean surface
  • The samples can be removed from the vacuum container


Maintenance

The EM-Storr vacuum sample storage container requires little maintenance:

  • Keep the sealing O-ring clean and dust free.
  • When the O-ring gets damaged; replace with an NBR O-ring size: Ø85mm ID x Ø5mm cross section O-ring.
  • When the O-ring dries out, remove, clean and use high vacuum grease to grease the O-ring; fully remove excess grease before replacing.
  • Over time, the PTFE seal on the vacuum valve may require some tightening; do not over-tighten.
  • The pin stubs and the Hitachi adapters are held by small O-rings underneath the sample plate; if they get damaged replace with a silicon O-ring size: Ø3mm ID x Ø1.5mm cross section.
  • If the glass lid gets damaged,  do not use it again and replace it with a new glass lid: #13-001050-G

 

TSB 13-001050 EM-Tec EM-Storr vacuum sample storage container   Revision 2



SEM Supplies

TEM Supplies

Calibration

Sample Preparation

AFM / SPM

  Product Menu with Images
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Instruments

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FIB Supplies

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Vacuum Supplies

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Light Microscopy

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