Laboratory for Sample Preparation

 

 

Portuguese National Electron Microscopy Network

 

Ultramicrotome

TEM and STEM sample preparation unit for frozen polymeric samples - Leica EM UC6 ultramicrotome with EM FCS cryochamber.

Technical Specifications:

 Stereomicroscope (Zoom 6:1 and 0.8x objective)

• Microscope stand with 180º tilt;
• Integrated Antivibration System;
• Multi-LED system for STD illumination, backlight and trans-illumination;
• Cutting window adjustment between 0,2-15 mm.

Automatic Dual sample feed with 200 µm step motor.

• AutoTrim function;
• Cutting Thickness from 1 nm to 15 μm;
• Cutting speed range from 0,05 to 100 mm/s;
• Knife holder equipped with a 10mm step motor for N-S approach and 25mm for E-W.

Reflexomat II- Peristaltic water pump and magnetic brake, rubber tube and syringe.

360º rotating knife holder, with individual knife angle settings of ±30º.

• Cutting guide angle control with 1 º increment scale from - 2º to 15º
• Knife holder for 6 to 12 mm glass or diamond knifes;
• Arc segment with trans-illumination, precision locking system with ±22º eucentric movement, 360º rotation for longitudinal or transverse cutting.

Touch-sensitive control unit.

Cryochamber for frozen samples cutting.

 

High vacuum E6700 Quorum/Polaron Evaporator

• Unit dimensions (WxDxH, mm) and weight (kg): 340x320x310, 14

• Carbon coating option

 

Conductive film deposition Equipment

• High Resolution Sputter Coater, 208HR Cressington Company, coupled to a MTM-20 Cressington High Resolution Thickness Controller.

• Au/Pd and Pt Targets, 57 mm diameter adn 0.2 mm Thickness.

• Cr Target, 57mm diameter ans 2 mm Thickness.

 

The Managing and Financing Entity of the National Scientific Re-equipment Program(PNRC):
FCTFCT - Foundation for Science and Technology
Project REDE/1511/RME/2005