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Electron Microscopy Sciences

Equipment

arrow13Specimen Transfer Systems

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Building on the success of the PP3010T Cryo-SEM, FIB/SEM preparation system, we are pleased to announce three new related products for ambient and cryo temperature transfer...

PP3004 QuickLok
  • Pp3004a
  • Pp3004b
  • Pp3004c
  • Pp3004d
  • Pp3004e
  • Pp3004f
  • Pp3004g
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arrow13PP3004 QuickLok

Ambient temperature airlock for SEM, FIB/SEM, beamline and vacuum platforms

Quick Overview

The QuickLok provides a rapid way of transferring ambient temperature specimens into SEM, FIB/SEM or other suitable vacuum systems. A key feature of the QuickLok is the ability to vacuum transfer specimens that are sensitive to normal environmental conditions. The transfer device uses a sealed vacuum chamber which can be interfaced to a glove box for inert gas transfer or allow vacuum transfer from a wide range of platforms.

Key Features

  • Rapid specimen exchange
  • Vacuum and inert gas transfer
  • Field-retrofittable to most systems
  • Upgrade path to CoolLok
  • Custom designed holders available
  • 3 year warranty

Components

Mounted onto a suitable vacuum chamber port, the QuickLok consists of a loading chamber body with integrated controls for pumping, venting and transfer. A custom-designed interface flange and connections to the pumping system are included (see Pumping below).

The compact vacuum transfer device has an easy-release bayonet fitting to a dovetail-profile specimen holder (shuttle). Standard shuttles are included, but optional holders allow a range of specimen types to be handled.

Inside the microscope is a stage to accept the specimen shuttle. To aid specimen exchange an interlocked LED chamber light is mounted to the inside of the QuickLok interface.

Use

The specimen is mounted on a suitable holder and the transfer device fitted onto the QuickLok. The airlock and transfer device are then evacuated to a pre-set vacuum and the gate valve opened. The specimen is then guided onto the microscope stage.

For transfer from other vacuum systems, or a glove box, additional interface flanges are available on request.

Pumping

The QuickLok requires either a rotary pump or oil-free vacuum turbomolecular pumping station (see Options).

PP3005 SEMCool
  • Pp3005a
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arrow13PP3005 SEMCool

Non-airlock cryo cooling for SEM, FIB/SEM, beamline and vacuum platforms

Quick Overview

The SEMCool is based on the PP3006 CoolLok but without the PP3004 QuickLok components. It is designed for cryogenic applications where airlock exchange of specimens into the microscope is not required.

Key Features

  • Temperature range down to -190°C, with stability better than 0.5°C
  • Off-column cooling with all-day runtime between fills
  • Independent cooling of cold stage and cold trap
  • Upgrade path to CoolLok
  • 3 year warranty

Components

Specimen holders and transfer device The compact vacuum transfer device has an easy-release bayonet fitting to a dovetail-profile specimen holder (shuttle). Standard shuttles are included, but optional holders allow a range of different specimen types to be handled.

Cold stage and cold trap A highly stable, thermally isolated, nitrogen gas-cooled cold stage attaches to the microscope stage. The location and shape of the cold trap is tailored to suit the internal geometry of the microscope. Both cold stage and cold trap are capable of reaching temperatures down to -190°C with a stability of <0.5°C. For easy specimen exchange an LED chamber light is fitted.

The cold stage connects to the microscope stage using an adaptor and has a dovetail fitting to accept a specimen holder. When not in use the cold stage is uncoupled and stored within the chamber with the gas and electrical fittings connected.

Cooling dewar, trolley and controller The cold stage and cold trap are cooled by a remotely-positioned, vacuum isolated 21 L dewar and heat exchanger assembly which at normal operating temperatures can run for up to 24 hours between fills. The gas lines between the dewar and the microscope interface are vacuum isolated for maximum thermal efficiency.

The cooling dewar sits on a floor-mounted trolley which also houses the monitor/controller for cold stage and monitor for cold trap, plus nitrogen gas flow controllers.

Use

Vent the SEM, locate specimen holder on the cold stage, re-pump the SEM and then cool down to the required temperature. To exchange specimen, warm to above 0°C and vent the SEM.

Pumping

The SEMCool requires a rotary pump to periodically evacuate the vacuum isolated lines (see Ordering Information).

CoolLok
  • Pp3006L
  • Pp3006m
  • Pp3006h
  • Pp3006i
  • Pp3006j
  • Pp3006k
  • Pp3006o
  • Pp3006p
  • Pp3006
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  • Pp3006
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arrow13PP3006 CoolLok

Cryo transfer systems for SEM, FIB/SEM, beamline and vacuum platforms

Quick Overview

The CoolLok offers rapid transfer and cryo temperature observation of specimens for SEM, FIB/SEM, beamline or other vacuum systems. Applications include thermal protection of beam-sensitive specimens and low temperature observation of materials such as plastics, polymers low-K dielectrics and hard-soft mixtures. The system can also be used for inert gas transfer of ambient temperature specimens from a glove box.

Please Note: The PP3006 is not a replacement for the PP3010T, which is a full cryo preparation system. The PP3006 does not have a cryo preparation chamber and is designed for materials applications where cold fracturing and sputtering are not required.

Key Features

  • Rapid specimen exchange
  • Temperature range down to -190°C with stability better than 0.5°C
  • Off-column cooling with all-day runtime between fills
  • Independent cooling of cold stage and cold trap
  • Vacuum or inert gas transfer
  • Rapid specimen freezing option
  • 3 year warranty

Rapid freezing station (24429)

With the standard CoolLok, specimen freezing is by contact with the microscope cold stage following transfer and therefore freezing rates are relatively slowly. This is suitable for hard, non-hydrated specimens, but for liquid-based material rapid freezing is essential to reduce the detrimental effects of ice crystal growth and to allow through-vacuum transfer onto the cold stage.

For these applications the optional nitrogen slush freezing station is required. However, for many applications (especially lifesciences) cold fracturing and sputter coating are essential process steps and require the advanced capabilities of the EMS PP3010T – a full cryo preparation system.

Components

Vacuum airlock cold gas feedthrough Mounted onto a suitable vacuum chamber port, the CoolLok consists of a loading chamber body with built-in controls for pumping, venting and transfer. A custom-designed interface flange to the vacuum chamber and connections and fittings to the pumping system are included (see Pumping below). The interface has cold nitrogen gas feeds to and from the microscope cold stage and cold trap.

Specimen holders and transfer device The compact vacuum transfer device has an easy-release bayonet fitting to a dovetail-profile specimen holder (shuttle). Standard shuttles are included, but optional holders allow a range of different specimen types to be handled.

Cold stage and cold trap A highly stable, thermally isolated, nitrogen gas-cooled cold stage attaches to the microscope stage. The location and shape of the cold trap is tailored to suit the internal geometry of the microscope. Both cold stage and cold trap are capable of reaching temperatures down to -190°C with a stability of <0.5°C. For easy specimen exchange an LED chamber light is fitted.

The cold stage connects to the microscope stage using an adaptor and has a dovetail fitting to accept a specimen holder. When not in use the cold stage is uncoupled and stored within the chamber with the gas and electrical fittings connected.

Cooling dewar, trolley and controller The cold stage and cold trap are cooled by a remotely-positioned, vacuum isolated 21 L dewar and heat exchanger assembly which at normal operating temperatures can run for up to 24 hours between fills. The gas lines between the dewar and the microscope interface are vacuum isolated for maximum thermal efficiency.

The cooling dewar sits on a floor-mounted trolley which also houses the monitor/controller for cold stage and monitor for cold trap, plus nitrogen gas flow controllers.

Use

The specimen is mounted on a suitable holder (shuttle) and the transfer device fitted onto the airlock and the dead space evacuated to a pre-set vacuum level. The gate valve is opened and the specimen guided onto the SEM stage.

For transfer from other vacuum systems, or a glove box, additional interface flanges are available on request. Vacuum transfers can be made from the optional 24429 trolley-mounted nitrogen slush freezing station, if fitted.

Pumping

The QuickLok requires either a rotary pump or oil-free turbomolecular pumping station (see Options).

Specifications for PP3004, PP3005, PP3006

  PP3004 PP3005 PP3006
Temperature Ambient RT to -190°C RT to -190°C
Cooling runtime N/A Up to 24 hours Up to 24 hours
LN2 dewar capacity N/A 21 liters 21 liters
Cool down time to -190°C N/A Typically <15 minutes Typically <15 minutes
Rapid freezing (slushy LN2) N/A Optional (24429) Optional (24429)
Dewar trolley footprint N/A 50 x 50 cm 50 x 50 cm
Airlock weight 2.5 kg 2.5 kg 2.5 kg
Pumping requirements Rotary pump or dry pump Rotary pump or dry pump Rotary pump or dry pump
Nitrogen gas For venting and valve operation Venting and cooling Venting and cooling
Power requirements (excluding pump) 300 W 300 W 300 W
Maximum specimen size Flat specimens up to 23 x 26 mm. For taller specimens the maximum height will reduce from a mid-point of 9 mm. Please contact us for more details.

Ordering Information

NB: For a full quotation, including on-site installation and customer training, please contact us.

PP3004 QuickLok ambient temperature transfer system
Includes:
-Airlock assembly. Pump and vent and transfer controls, gate valve and fittings to the pumping system (see: Pumping below). Custom designed interface flange to the microscope vacuum chamber
-microscope dovetail stage to accept specimen shuttle. LED chamber light (interlocked)
-Specimen transfer device for vacuum or inert gas transfer
-Specimen holders. Specimen shuttle with holding clips,specimen shuttle blank, specimen shuttle (to hold a 10 mm diameter specimen stub), blank 10 mm stubs – packet of 10
POR Quote
PP3005

SEMCool non-airlock low temperature system
Includes:
-Nitrogen gas cooled cold stage with heater and sensor and cold trap with temperature sensor. Temperature controllable with a range down to -190°C, 21 L liquid nitrogen dewar with trolley, heat exchanger and LED chamber light. Pump fittings (see: Pumping below).
-Temperature and nitrogen gas flow controller mounted on the dewar trolley.
-Specimen holders. 3 specimen shuttles (to hold 10 mm Ø cryo stubs), blank specimen shuttle, specimen shuttle with holding clips, blank 10 mm Ø stubs (packet of 10), 5 multi-purpose specimen stubs. Note: other holders available
-Specimen mounting compounds (colloidal graphite and Tissue-Tek®)

POR Quote
PP3006

CoolLok - cryo transfer system
Includes:
-Airlock assembly. Pump and vent and transfer controls, gate valve and fittings to the pumping system (see: Pumping below). Custom designed interface flange to the microscope vacuum chamber.
-Cooling system. Nitrogen gas cooled cold stage with heater and sensor and cold trap with temperature sensor. Temperature controllable with a range down to -190°C, 21 L liquid nitrogen dewar with trolley, heat exchanger and LED chamber light.
-Specimen transfer device
-Specimen holders. 3 specimen shuttles (to hold 10 mm Ø cryo stubs), blank specimen shuttle, specimen shuttle with holding clips,blank 10 mm Ø stubs (packet of 10), 5 multi-purpose specimen stubs. Note: other holders available
-Specimen mounting compounds (colloidal graphite and Tissue-Tek®), interlock cable and pump fittings

POR Quote
Pumping

The PP3004 QuickLok and PP3006 CoolLok require either a rotary pump or high vacuum turbomolecular pumping station (recommended). The PP3005 requires a rotary pump for evacuating the vacuum isolated gas lines.

13034 Pfeiffer Duo 6 - 5 m3/hr rotary vacuum pump with oil mist filter POR Quote
24426 Pfeiffer HiCube 80 turbomolecular and diaphragm pumping system POR Quote
Options and accessories
24429 Rapid cooling station (for PP3006 only)
Consists of a floor-mounted trolley, liquid nitrogen freezing chamber mounted into the work surface which interfaces to the cryo transfer device, connections to vacuum pump (order separately)
POR Quote
PP7450 Pressurised (60 L) LN2 dewar. Boil-off nitrogen gas is used for cooling the stage and cold trap (PP3005 and PP3006 only) POR Quote
13296 Sircal in-line gas dryer. Helps to reduce water content of nitrogen gas supply POR Quote
Specimen holders
10245 Top-loading specimen shuttle for planchettes POR Quote
10246 Top-loading specimen shuttle, to take a 10mm stub POR Quote
10247 Top-loading specimen shuttle for rivets (vice style) POR Quote
E7433 Rivet holder specimen stub, screw-down style (for use with 10246) POR Quote
E7449-5 Universal specimen stub with surface holes and slots (5 pack) POR Quote
E7401 Specimen stub shuttle (spare) POR Quote
E7402 Aluminum (Al) stubs (10 pack) POR Quote
E7403 Copper (Cu) stubs (10 pack) POR Quote
E7405 Screw down stub for thin, hard specimens POR Quote
E7406 Copper (Cu) stubs with 3 x 3mm slots (5 pack) POR Quote
E7407 Copper (Cu) stubs with 1 x 3mm slot (5 pack) POR Quote
32816510 Brass rivets for fracturing liquids (100 pack) POR Quote
Sputter targets and carbon fibre
E7400-314A Gold (Au) target 0.008" thick POR Quote
E7400-314B Gold/palladium (Au/Pd) (80:20) target 0.2mm thick POR Quote
E7400-314C Platinum (Pt) target 0.008" thick POR Quote
E7400-314IR Iridium (Ir) target 0.008" thick POR Quote
E7400-314CR Chromium (Cr) target 0.3mm thick POR Quote
91047-1 Carbon fiber cord - high purity - 1m 82.00 Add to Cart
91047-5 Carbon fiber cord - high purity - 5m 375.00 Add to Cart

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