National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
System of Identification Solder Joint Failures
Vejmola, Tomáš ; Řezníček, Michal (referee) ; Šandera, Josef (advisor)
This paper describes the draft and implementation of a system for identifying failures on the soldered joints from already existing system, which is, however, limited by dependence of the operating system of the human factor. The innovated system provides us an automatic testing of soldered joints using a computer, with subsequent processing of data electronically using the corresponding software. The first part is devoted to the theory of the formation of flaws on the soldered joints and to the familiarization with uninnovated system. Subsequently, work continues with the practical part, which introduces us the procedure and implementation of the innovated system for identifying failures on the soldered joints. The final part of this paper is an evaluation of the results and fulfilment of work requirements.
Measurement of the numerical aperture
Vejmola, Tomáš ; Klusáček, Stanislav (referee) ; Šedivá, Soňa (advisor)
Bachelor thesis illustrates the use measuring systems for measuring the numerical apertures of various kinds of optical fibers. The study also described and tested measuring device, to modify the system for measuring radiation characteristics and angle of LED 3mm, 5mm and 8mm.
Measurement of the numerical aperture
Vejmola, Tomáš ; Klusáček, Stanislav (referee) ; Šedivá, Soňa (advisor)
Bachelor thesis illustrates the use measuring systems for measuring the numerical apertures of various kinds of optical fibers. The study also described and tested measuring device, to modify the system for measuring radiation characteristics and angle of LED 3mm, 5mm and 8mm.
System of Identification Solder Joint Failures
Vejmola, Tomáš ; Řezníček, Michal (referee) ; Šandera, Josef (advisor)
This paper describes the draft and implementation of a system for identifying failures on the soldered joints from already existing system, which is, however, limited by dependence of the operating system of the human factor. The innovated system provides us an automatic testing of soldered joints using a computer, with subsequent processing of data electronically using the corresponding software. The first part is devoted to the theory of the formation of flaws on the soldered joints and to the familiarization with uninnovated system. Subsequently, work continues with the practical part, which introduces us the procedure and implementation of the innovated system for identifying failures on the soldered joints. The final part of this paper is an evaluation of the results and fulfilment of work requirements.

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