Sensors and Systems Journal, No. 3, March 2010 (Contents and Abstracts)
Pershenkov V. S., Barbashow V. M., Budkin V. A. et al. Training of specialists for instrument engineering at "Automatics and electronics" department of National Nuclear Research University "MEPhI"
Aspects of training quality improvement for adapted to scientific and engineering activity in modern innovative environment specialists by example of the experience of "Automatics and electronics" department of National Nuclear Research University "MEPhI" in the sector of personnel formation for nuclear instrument engineering and other advanced scientific and technical areas are considered.
Keywords: training quality, multifunctional training environments,electronics, automatics, accelerator engineering, semiconductor and microprocessor instruments, integrated microchips, electrophysical facilities, training simulators, control system equipment, neural network recognition and identificat6ion systems; nanoelectronic and superconductive electronic systems.
Azarov D. A., Belopol’sky V. M., Guseva N. N. et al. Improvement of specialists training in electronic measuring systems area
Comprehensive approach to educational problems solution in specialists training in electronic measuring systems area is described.
Keywords: measuring systems, microcontrollers, adaptive education and edutainment, knowledge bases, access restriction, scanning probing microscopy, nanoindentation, interdisciplinary approach.
Bocharov Y. I., Miroshnichenko V. P., Onishchenko E. M., et al. Portable device for the rapid remote detection of sources of alpha-radioactivity
This paper describes the results of the development of portable device for the rapid remote detection of alpha-radioactive nuclides in all environments and on surfaces with complex relief. The device uses a counting mode of registration ions, allowing detecting charged particles. The method provides a high selectivity and a possibility of measuring in the conditions of temperature, pressure and air humidity variations, in the presence of a concomitant radiation.
Keywords: alpha-radioactivity, radionuclide, aeroionic method, remote sensing, detector, couning mode, portable instrument.
Simonov V. N., Polyakov V. B., Polyakov A. V., Krasilnikova O. K. Integrated piezo-rezonant sensors of pressure
The results of work on the design and technology of integrated piezo-rezonant pressure sensors are described. In sensors the quartz crystal membrane and strain sensitive resonator made of single crystal and do not contain connectors and other than quartz crystal materials. The proposed technical solution is based on a combination of mechanical and chemical methods of forming and will allow to produce sensors with an accuracy at the level of 0,01 %.
Keywords: piezoelectric resonant sensors, crystalline quartz, strain-sensitive resonators, membrane, pressure, micromachining methods, chemical etching, diamond milling, ultrasonic processing.
Sogoyan A. V., Boychenko D. V. Radiation resistance of piezoelectric transducers of mechanical quantities
Results of experimental studies of radiation resistance of piezoelectric transducers of mechanical quantities based on lead titanate-zirconate are presented. Model approximations allowing to explain basic observed features of piezoelectric transducers reaction to constant and pulsed ionizing radiation are presented.
Keywords: piezoelectric transducer, radiation, ionizing radiation, charge, ionization conductivity.
Nikiforov A. Y., Boychenko D. V., Kalashnikov O. A., et al. Dose rate effects modeling in piezoresistive sensors
Modeling and experimental results of piezoresistive sensors dose rate behavior are presented. Sensors’ dose rate hardness improvement methods are suggested.
Keywords: piezoresistivity, sensor, radiation, ionizing radiation, ionization reaction.
Voronov Yu. A., Kovalenko A. V., Nikiforova M. Yu. et al. Elements of gas sensitive detectors based on microtechnologies
This paper deals with constructions, technologies, characteristics and applications of the following gas microsensors: integrated hydrogen sensors based on MISFET with Pd-Ta2O5-SiO2-Si structure, thermosensor, heater and test element; nano-on-micro metal oxide sensor operating at pulse heating with improved selectivity to ammonia; thermocatalytic micromachined gas sensors with nano-materials based on Pd/Pt; MEMS platforms based on SiO2-Si3N4 films for gas sensors; MEMS platforms for impulse semiconductor and IR gas sensors. These sensors have been developed and investigated during the last years in microelectronics department of MEPHI.
Keywords: sensitive elements of gas analytic detectors, MIS-structures, MIS IC microtechnologies, nano-on-micro- and MEMS-technologies.
Klimenko A. I., Krasnjuk A. A., Stenin V. Ya. Sensor for optical fluorimetric chemochips studies
Two-dimensional fluorescence signal single-chip CMOS detection technology is described. Designed sensor, control algorithms, synchronization and data processing program may be used for autonomous and miniaturized gas detectors prototyping.
Keywords: sensor, chemical chip, fluorescence, array CMOS-photosensor
Shatochin V. L., Popov V. A. Gas discharge sensor for surface purity control for ion plasma technologies
The problem of diagnostics of quality coatings and thin films in plasma sputtering systems is discussed in this paper. Experimental results for prototype of gas discharge sensor for registration of post-discharge (exoelextron) emission currents, which may be used as surface purity indicator of processed surface in plasma technological processes.
Keywords: plasma sputtering systems; gas discharge; secondary emission processes; exoelectron emission.
Meshcheryakov V. V., Meshcheryakov A. V. Readout Circuits for Capacitive Sensors of SPM Nanopositioner
Inaccuracy sources of measuring schemes of capacitive sensors of positioning systems of scanning probing microscopes and methods of resolution improvement in such schemes are considered.
Keywords: capacitive sensor, scanning probe microscopy, nanopositioner.
Baranova E. O., Kruglov E. V., Reshetov V. N., Gogolinsky K. V. Piezoelectric camertone type probe deformation modes during Static NanoScan measurments calculation.
Piezoelectric camertone type probe deformation modes during Static NanoScan measurments with different loads calculation is given. Strength of materials and elasticity theory methods are used.
Keywords: scanning probing microscopy, microrelief, microhardness, nanoindentation, automatic control system
Filipenko A. A., Malkin E. K. The charge exchange reaction technique in ion mobility spectrometers
The analysis technique of electrochemical processes in ion mobility spectrometers and their influence on structure of formed spectra are presented. The example of the analysis of a background signal is considered under various conditions.
Keywords: ion mobility speсtrometer, charge exchange reaction, charge redistribution, electrochemical process.
Belyakov V. V., Vasil’yev V. K., Pershenkov V. S. Usage of ion mobility spectrometry in medical diagnostics
Perspectives of usage of ion mobility spectrometry in medical diagnostics of noninvasive diagnostics of socially-significant human diseases based on the registration of increased concentration of biological markers in human expiration. Design of spectrometric cell for human expiration analysis is developed. Experimental results for detection of minutes acetone quantities which are biological markers of diabetes mellitus.
Keywords: ion mobility speсtrometry, human diseases, trace quantities detection, biological markers, noninvasive medical diagnostics, acetone, сахарный диабет.
Elesin V. V. Microwave band integrated microchips for measuring information systems
Design of monolithic silicon-germanium circuits for transceiver systems of information collection and processing of microwave and millimeter wave ranges is considered. Design methods of microwave band basic passive elements taking into account semiconductor substrate influence to characteristics of microwave circuits and results of measurements of their parameters in frequency rage up to 25 GHz are presented.
Keywords: silicon-germanium, microwave, BiCMOS, MOS transistor, semiconductor substrate, transceiver systems, microstrip line, voltage controlled generator.
Podlepetsky B. I. Sensor detecting elements based on field effect transistors with "electrode–dielectric–semiconductor" structure
Synthetic data on development of semiconductor sensors of ionizing radiation dose, ionic concentration in electrolytes and hydrogenous gas molecules with detecting elements based on field effect transistors with electrode – dielectric – semiconductor structure are presented. General regularities of physical principles of transistor detecting elements functioning, their electric, physical and electrophysical models and circuit models of sensors based on such detecting elements, and also design and technological features of transistor detecting elements of each sensor type are considered. Estimate of perspectives of development of integrated sensors? Instruments and Microsystems based on transistor detecting elements id presented.
Keywords: detecting elements based on field effect transistors with electrode–dielectric–semiconductor structure, electrophysical model, design-technological and operating characteristics.
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