1981-1982
1981-1982
Contents  
PageNo.
 
DIVISION OF STANDARDS
Introduction     1
Standards of Length & Angle     2
Standards of Mass, Volume & Density     3
Standards of Force & hardness     5
Standards of Presuure     5
Standards of Vaccum     6
Standards of Temprature     7
Standards of Radiomatric and Photometric Quantities     8
Standards of Acoustical Parameters     9
Standards of Time & Frequency     10
Standards of DC,EMF,Resistance & Current     11
standards of Capacitance and Inductance     12
Standards of low & high Frequency Voltage, Current, Power, Energy, Attenuation, Impedance and Noise     14
Standards of Power, Attenuation Frequency, Impedance and Noise at Microwave Frequencies     15
DIVISION OF SPECIALISED TECHNIQUES
Introduction     17
Characterization of Materials by Chemical Methods     18
Characterization of Materials by Spectroscopic Methods     18
Characterization of Materials by Electron Paramagnetic Resonance Spectroscopy     20
Characterization of Materials Regarding Crystallinc Structure and Perfection by X-ray Diffraction Method and Elemental Analysis by X-ray Fluorescence Technique     21
Characterization of Materials Regarding Microstructure by Transmission and Scanning Electron Microscopy and Electron Diffraction Techniques     23
Characterization of Materials Regarding Surface Area and porosity     25
Development of Infrared Materials, Detectors and Systems     26
Growth of Single Crystals their Characterization and Defects in single Crystals     28
Electronics Service Unit     30
DIVISION OF MATERIALS
Introduction     31
Studies On Development of Poly-crystallinc Silicon for Photovoltaic Solar Energy Conversion     32
Research & Development on Carbon Products     32
Development of Glassy Carbons and Carbon products     34
Feasibility Studies on Setting up of an Experimental Pilot Plant Facility for Carbon Fibres     35
Development of Ferrites and Conducting Ceramics     37
Ultrasonic Transducers Materials and Devices     39
Luminescent Materials and Devices     42
RADIO SCIENCE DIVISION
Introduction     45
Ground Based Facilities for Environment Monitoring     51
Study of Environmental Hazards by Sodar and solar UV-B Monitoring at Ground     51
Rocket, Satellite and Balloon Experiments     52
Study of Stratospheric Ionization     54
Ionospheric Studies using Incoherent Scatter Radar     55
Tropospheric and Ionospheric Communications     55
Ionospheric and Neutral Atmospheric Modelling     59
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UTILIZATION OF SOLAR ENERGY
Thermal Conversion     61
Studies on Development of Polycrystalline Silicon for Photovoltaic Energy Conversion     63
Development of Thin Film CdS Solar Cells     65
CRYOGENICS & SUOERCONDUCTIVITY
Superconductivity, Superconducting Materials, Superconducting Magnets, Josephson Tunnelling and its Applications     68
Development of Low Temperature Liquefaction Plants, Systems and Devices     70
Preparation of a variety of Fine Ceramics by Cryochemical and Spray Drying Tecniques, their Characterisation and applications     71
APPLIED PROJECTS
Electrostatics and Electrophotography     72
Thin Film and Amorphous Materials     73
Development of Digital Display Devices     74
Development of vacuum Sysytem for Scanning Electron Microscope     76
OTHER R&D PROJECTS
Theoretical Investigations in Condensed Matter Physics     78
Design and Development of Optical Systems     78
Intrumentation Services     79
APPENDICES
 
Central Workshop 81
Library 82
Planning, Monitoring & Evaluation Group 83
Invited Talks 83
Papers Published 84
Papers Presented at Symposia/Seminars/Conferences etc. 88
Other Publications 93
1981 Krishnan Memorial Lecture 93
NPL Merit Awards 95
Ph.Ds Awarded 96
Other Honours & Awards 97
Significant Events 97
Patent Field, Accepted and Sealed in India during the Period 1.4.1981 to 31.3.1982 98
Processes Released for Commercialization during 1981-82 99
Process that Went in to Production during 1981-82 100
Symposia/Seminars/Training Courses 100
Deputation Abroad 101
Collaboration with other Agencies/Institutions 105
Scientific & Tecnical Staff of the Rank of Scientist 'A' or Equivalent and above (as on 1.4.1982) 110
Staff Strength as on 1.4.1982 110
Actual Expenditure during 1981-1982 111
Membership of the Research Advisory Council 112
Membership of the Executive Committee 113
Condolences 114

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