Course detail

Diagnostic Methods and Testing

FEKT-BKC-DIZAcad. year: 2020/2021

Fundamental concepts and methods in diagnostics. Electrical, mechanical testing of materials and devices. Tests of climatic resistance. Destructive and non destructive testing. Microscopic, spectroscopic and diffractometry methods - principles and usage. Evaluation and verification of diagnostics analyses. Diagnostics and testing. Principles and organization of testing stations in Czech Rep., testing in laws of Czech Rep.

Language of instruction

Czech

Number of ECTS credits

5

Mode of study

Not applicable.

Learning outcomes of the course unit

At the end of the course, the student will be able to:
- explain basic terms and methods in the field of diagnostics of electrical materials and equipments,
- be knowledgeable in basic physical methods for determination of structure and composition of diagnostic materials,
- describe principles and organization of testing in Czech republic,
- describe electrical and mechanical tests of materials and electrical equipments, electrical safety tests and tests of climate resistance,
- choose and apply suitable diagnostics method in practice.

Prerequisites

Knowledge of physics and mathematics on the secondary level of education.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Teaching methods include lectures, numerical exercises and practical laboratories. Students have to write a single project during the course.

Assesment methods and criteria linked to learning outcomes

up to 40 points during the semester (20 points from laboratory seminars and 20 points from individual work and its presentation)
up to 60 points from written final exam
Final exam is focused on verification of knowledge and orientation in the field of diagnostics methods and organization of testing.

Course curriculum

1. Fundamental concepts of technical diagnostics, survey of methods. Technical diagnostics in practice. Selection of a method of technical diagnostics. Testing, organization of testing and certification in the Czech Republic and the EU.
2. Electrical measuring methods in diagnostics of semiconductor materials and structures. Methods for setting of concentration and concentration profiles of dopants.
3. DC and AC measuring methods in diagnostics of insulator systems. HV tests, evaluation of tests.
4. Electrical Safety Tests. Testing of climatic and mechanical resistance of electrical objects and equipment.
5. Mechanical properties tests - overview of tests. Hardness tests.
6. Overview of methods of optical microscopy, lenses and their properties, illumination methods and image formation in the optical microscope, microscope characteristics.
7. Raster and transmission electron microscopy, electron sources, electromagnetic lens defects, low energy and low vacuum scanning electron microscopy.
8. Raster electron microscopy, accelerated electron interaction with solid, detection of signals emitted from the sample, contrast types, EBIC method.
9. Microscopy rastrujícím point, the basic concepts and principles of scanning tunneling microscopy, atomic force microscopy, methods of observation samples, other methods of microscopy rastrujícím tip.
10. Difractometric methods. X-ray, electron and neutron diffractography.
11. Powder X-ray diffraction spectroscopy and its applications for the characterization of crystalline materials.
12. Spectroscopic methods, basic concepts, excitation spectra principle, spectroscopic methods, X-ray spectral microanalysis.
13. Processing of measurement results. Measurement errors, precision indicators, measurement uncertainty.

Work placements

Not applicable.

Aims

The aim of the course is to acquaint students with basic concepts and methods from the field of diagnostic of electrical materials and devices, with principles and organization of testing stations in Czech Rep. Students will be familiar with electrical and mechanical tests, safety tests and tests of climatic resistance. Students will receive essential information about physical methods for evaluation of a structure and composition of observed subjects.

Specification of controlled education, way of implementation and compensation for absences

Obligatory participation in excercises.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Jirák, J., Havlíček, S., Rozsívalová, Z.: Diagnostika a zkušebnictví. Elektronické texty, Brno 2002. (CS)
Frank,L.,Král,J.: Metody analýzy povrchů. Iontové, sondové a speciální metody. Academia, Praha, 2002 (CS)

Recommended reading

Connor,D.J., Sexton,B.A., Smart,R.C.: Surface analysis methods in materials science, Springer Verlag Berlin, 2003 (EN)
REIMER, Ludwig.: Scanning electron microscopy: physics of image formation and microanalysis. 2nd completely rev. and updated ed. New York: Springer, c1998. ISBN 3540639764. (CS)
ECKERTOVÁ, Ludmila a Luděk FRANK, ed.: Metody analýzy povrchů: elektronová mikroskopie a difrakce. Praha: Academia, 1996. ISBN 8020003290. (CS)
STOKES, Debbie.: Principles and practice of variable pressure/environmental scanning electron microscopy (VP-ESEM). 1. Chichester, U.K.: John Wiley & Sons, 2008, 221 s. ISBN 9780470065402. (CS)

eLearning

Classification of course in study plans

  • Programme BKC-MET Bachelor's, 2. year of study, summer semester, compulsory-optional
  • Programme BKC-SEE Bachelor's, 3. year of study, summer semester, compulsory-optional

Type of course unit

 

Lecture

26 hours, optionally

Teacher / Lecturer

Syllabus

1) Fundamental concepts of technical diagnostics, survey of methods. Tecnical diagnostics in practise. Selection of a method of technical diagnostics.
2) Electrical measuring methods in diagnostics of semiconductor materials and structures. Methods for setting of concentration and concentration profiles of dopants.
3) DC and AC measuring methods in diagnostics of insulator systems. HV tests, evaluation of tests.
4) Safety tests of electrical devices. Climatic tests, mechanical tests of electrical devices and equipments.
5) Tests of mechanical properties - survey of methods. Hardness tests. Methods of acoustic and electromagnetic diagnostics.
6) Diagnostics and testing. Obligations of producers, importers and distributors at introducing of products to market. Conformity assesment of products.
7) Physical methods for setting of structure and composition of materials, material systems and structures. Methods based on scanning probe, secondary ion mass spectroscopy (SIMS). Sensitivity and resolution of methods.
8) Survey of methods of optical microscopy. Methods for measurement of thin layer thickness.
9) Scanning and transmission electron microscopy. Diagnostics on bases of detection of individual signals.
10) Special methods of scanning electron microscopy. Voltage contrast, magnetic contrast, EBIC, low energy and low vacuum electron microscopy.
11) Diffraction methods. X-ray diffraction, electron and neutron diffraction methods.
12) Spectroscopy methods, atom and molecule spectroscopy. Absorption, emission, X-ray and electron spectroscopy. Mass spectroscopy.
13) Evaluation of results of a measurement. Measurement errors, parameters of accuracy.

Laboratory exercise

26 hours, compulsory

Teacher / Lecturer

Syllabus

DC methods in diagnostics of electroinsulating systems.
AC methods in diagnostics of electroinsulating systems.
Work at HV laboratory. HV testing. 2 weeks.
Safety tests of electrical devices. Tests of climatic resistance of electrical devices.
Measuring on semiconductor materials. Methods for evaluation of concetration of acceptor and donor impurities. 2 weeks.
Tests of mechanical properties. Hardness tests. 2 weeks.
Work with optical microscope, its usage.
Work with transmission electron microscope.
Work with scanning electron microscope.
X ray microanalysis with energy dispersive microanalyzer.

eLearning