SC208 Carbon evaporation coater

The 208C High Vacuum Turbo Carbon Coater from Cressington offers high quality carbon coating techniques for TEM, STEM, SEM, EDS/WDS, EBSD and microprobe applications. The practical chamber size of 150mm diameter allows for rapid pump down and coating cycle times of around 10 minutes (4e-5 mbar). The use of ultra purity carbon rods in a high vacuum chamber gives the high quality coating needed for critical TEM, EBSD, high resolution SEM and microprobe work.

Main Features of the 208C:

• Voltage controlled rod source gives multiple evaporation capabilities
• Feedback loop enables precise and consistent coating thickness
• Choice of operation methods for optimized operation
• Automatic evaporation control gives ease of use in busy environments
• Low cost, high resolution thickness monitor ensures reproducible results
• 67 ltr/sec turbo pump on a 150mm outer diameter chamber gives rapid pumpdown
• The 208C Carbon Coater is equipped with an optional MTM-10 Thickness Measurement System. Resolution is better than 0.1nm for carbon. Careful use of the monitor and evaporation controller gives better reproducibility of coating thickness.

The modular design of this practical-size chamber accepts two optional stages, Rotary-Planetary-Tilting & Rotary-Tilting Stages, which can be readily implemented. With the addition of one of these stages, the telescopic pillar gives a simple, rapid adjustment from long to short working distances to change the deposition rate. For SEM, EDS/WDS and microprobe analysis applications, the Rotary-Planetary-Tilting stage with variable speed, adjustable tilt and 4 specimen holders ensures uniform coating on multiple samples. The Rotary-Tilting stage is specifically designed for TEM and analytical applications and holds a 25 x 75mm (1 x 3") glass slide. Both stages are mounted on a mounting collar and can be readily implemented in the chamber.

The 208C uses a unique fully integrated electronic feedback-controlled power design for the rod fed Bradley type carbon evaporation source. Current and voltage are monitored by sensor wires in the evaporation head where the evaporation source is part of the feedback loop. This feature gives the conventional rod fed carbon source unusual stability and reproducibility. The carbon source uses two-step ultra pure carbon rods. The evaporation source can be operated in manual "pulse" or manual "continuous" modes. The pulsed mode, when used in conjunction with the optional MTM-10 high resolution thickness monitor, gives absolute control over the desired thickness of the carbon coating. The automatic mode lets the user set the voltage and time, which together with the two-step rods gives consistent coating combined with ease of operation.

PELCO easiShaper™ Carbon Rod Shaper

The PELCO easiShaper™ is an electric motor driven carbon rod sharpener which offers easy, quick, and clean carbon rod shaping for carbon evaporators using either 1/4", 1/8", or 3/16" carbon or graphite rods. It is ideally suited for busy, multiple user, high throughput labs. The vertical design of the unit makes operation easy and saves valuable space. It presents a clean alternative to hand rod shapers producing more consistent, smooth, and uniform carbon tips.