Environmental Scanning Electron Microscope (ESEM)
  

Instrument Details

  
Source of electron W-Filament
Operational voltage 200 V-30 KV

Resolution

@30KV@High vacuum conditions 2.4 nm

@30KV@Low vacuum conditions 3.0 nm
@30KV@E-Sem conditions 5.4 nm
Beam current 100 μA

Detectors

  • Everhart-thornley detector for secondary electrons in high vacuum.
  • GSED for pressures up to 40mbar in ESEM mode operation.
  • Large field secondary electron detector for low vacuum operation.
Environmental Scanning Electron Microscope
  

Applications

  

SEM imaging with high resolution and high contrast.

Chemical analysis (EDAX).

Investigations of non-conductive specimens under low-vacuum conditions.

Investigations of wet samples at pressures up to 2600 pa under ESEM mode.

Peltier effect on E-SEM (We can cool between 0ºC to 10ºC, specimen of very diverse in nature can be imaged)

  

Contact Us

   

033 2335 5706/5707/5708, Extension:  263


Payment Instruction:

 

  1. A Requisition letter addressing In-charge Technical cell along with
  2. Demand Draft in favour of S. N. Bose National Centre for Basic Sciences."
  3. Cash payment after completion of the expt. 
  4. Payment through Debit/Credit Card
  5. Wire transfer details  (see below details)

 

ESEM Charges

 
University /College [1] National Lab/ R&D Industry[1]
Imaging ₹1000/- ₹1000/- ₹ 2000/-

 

[1] Per substrate (in ₹)

 

[1 ]The Demand Draft should be in favour of "S. N. Bose National Centre for Basic Sciences." Letter, DD & Samples send to "Technical cell, S. N. Bose National Centre for Basic Sciences, Kolkata- 700106


[2] Money Transfer Information:

 

National Electronic Fund Transfer (NEFT) Details for Money Transfer

 

  1. Name of the Account Holder: S. N. Bose National Centre for Basic Sciences

  2. Bank Account Number:089302000000220

  3. Type of Account: Current Account

  4. Bank Name: Indian Overseas Bank

  5. Branch Name: Salt Lake City Branch

  6. Complete Address of Branch: Block - EA, Salt Lake City, Sector - 1, opp. Labony Estate, Kolkata - 700064.

  7. IFS Code of the Branch:IOBA0000893