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Indian Science Technology and Engineering facilities Map

Calibration Standards

I-STEM’s Library of Standards

The standards available at present are

Thickness Standards

Quartz Step Height (450nm) Standard Click here.
20nm Silicon Nitride Film Thickness Standard
200nm Silicon Dioxide Film Thickness Standard
200nm Silicon Nitride Film Thickness Standard

Resistivity Standards

3” Resistivity Standard RS3-3 (0.3 Ω cm)
3” Resistivity Standard RS3-30 (30 Ω cm)

UV-VISIBLE Spectrometer standards

(Hellma®️ calibration standard, glass filter set ) Standards concerning stray light, spectral resolution, photometric accuracy and wavelength accuracy for both the UV and the visible range

TEM Calibration standards

Reference Standard for Transmission Electron
Microscopes (TEM)
TEM magnification test specimens
Certified Nanosphere Size Standards – 20 nm, 100 nm, 200nm and 500 nm)

XCS EDS Calibration Standards

XCS EDS Calibration Standards

SEM magnification calibration

SEM magnification calibration

Calibration standard for high resolution X-ray Diffraction (HRXRD)

Calibration standard for high resolution X-ray Diffraction (HRXRD)

Diffraction Standards

Diffraction standard Camera Length
Evaporated Aluminum
500nm Magnification Calibration Diffraction Grating Replica
Image Rotation Molybdenum Trioxide
500nm Diffraction Grating Replica with Latex Spheres
2000 l/mm, on 3mm grid
Magnification Calibration Diffraction Grating Replicas
Diffraction Grating Replica and Latex Calibration Standard
Oriented Gold Crystal on 3mm grid

Electrical Standards

Multi-Product Calibrator along with 50 turn current Coil
Electrical calibration used for the process of verifying the performance of, or adjusting, any instrument that measures or tests electrical parameters.
Parameters include voltage, current, resistance, inductance, capacitance, time and frequency.
DC voltage from 0 V to ±1020 V.
AC voltage from 1 mV to 1020 V, with output from 10 Hz to 500 kHz.
AC current from 29 μA to 20.5 A, with variable frequency limits.
DC current from 0 to ±20.5 A.
Resistance values from a short circuit to 1100 MΩ.
Capacitance values from 220 pF to 110 mF.
Simulated output for eight types of Resistance Temperature Detectors (RTDs).
By using 50 turn current coil, current of current source calibrator by a factor 50.

Weight Calibration Standards

Accuracy Class: OIML E1
Range of capacity : 1mg to 200g
Shape of weights is given below
- Wire weights: 1mg to 500mg
- Triangle weights: 1mg, 10mg, 100mg
- Square weights: 2mg, 20mg, 200mg
- Pentagon weights:5mg, 50mg, 500mg
- Cylindrical knob shape: 1g to 200g
- Reference weight: Austenitic Stainless Steel Calibrated by NSTAR

Capacitance Standards

Decade Capacitance Box
- Decades of 1nF, 10nF, 100nF, 1μF, 10μF Capacitance range: 1nF to 100 μF)
- Accuracy: 1%

Inductance Standards

Decade Induction Box
- Decades of 10μH, 100μH, 1mH, 10mH, 100mH, 1H (Inductance range: 10 μH to 10H)
- Accuracy: 1%

Set of 4 wire Low Resistance standards

Fixed resistors: 10μ, 50μΩ ,100μΩ, 1mΩ, 10mΩ, 100mΩ, 1000mΩ
Maximum Test currents:
- For 10μΩ, 50μΩ: 20 A
- For 100μΩ, 1mΩ: 10 A
- For 100mΩ,10mΩ: 1A
- For 1000mΩ: 100 mA
Accuracy class:
- 0.25% for 10μΩ, 50μΩ
- 0.1% for 100μΩ, 1mΩ, 10mΩ, 100mΩ, 1000mΩ

Decade Resistance Box

Fixed resistors: 10μ, 50μΩ ,100μΩ, 1mΩ, 10mΩ, 100mΩ, 1000mΩ
Maximum Test currents:
- For 10μΩ, 50μΩ: 20 A
- For 100μΩ, 1mΩ: 10 A
- For 100mΩ,10mΩ: 1A
- For 1000mΩ: 100 mA
Accuracy class:
- 0.25% for 10μΩ, 50μΩ
- 0.1% for 100μΩ, 1mΩ, 10mΩ, 100mΩ, 1000mΩ

The Indian Science, Technology, and Engineering facilities Map (I-STEM) is an interactive web portal designed to accelerate scientific progress in India. This initiative, conceived and supported by the Office of the Principal Scientific Adviser to the Government of India, creates a centralized platform for sharing publicly funded R&D equipment and facilities across various institutions throughout the country.

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