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Národní úložiště šedé literatury Nalezeno 5 záznamů.  Hledání trvalo 0.01 vteřin. 
Geometrical aspects of connection between surface reggedness and resistance of thin films
 Franc, J. ; Janda, Pavel ; Novotný, Jan
The relationship between the ruggedness of substrate surface and the resistance of sputtered NiCr films was studied. The geometrical model in which the surface unevenness is simulated by pyramid was derived. The increase of R/ on a rugged surface in comparison with a polished one was calculated. Ruggedness on real surfaces was analysed by means of AFM microscopy. Obtained data were compared with the model.
Úplný záznam
Technology of infrared detectors preparation on the basis of LATGS/Pt/IV/ and LADTGS/Pt/II/ single crystals
 Novotný, Jan ; Zelinka, Jiří ; Franc, J.
Single crystals of triglycine sulphate /TGS/ and deuterated TGS doped with Pt.sup.4+.sup. and Pt.sup.2+.sup. and L-alanin, /LATGS/Pt/IV/ and LADTGS/Pt/II/ were grown from aqueous solutions. Surface morphology, domain structure and P-E hysteresis loops have been investigated. We have found on the basis of experimental results that prepared single crystals are very suitable materials for construction on infrared detectors.
Úplný záznam
Computer control of photoluminescence spectrometer used for characterization of semiconductors
 Kostka, František ; Zavadil, Jiří ; Krechler, Jindřich ; Dvořák, Martin ; Svatuška, Michal ; Gladkov, Petar
Basic electronics and programming that enables a computer control of experimental set-up for low-temperature photoluminescence /PL/ spectroscopy and PL topography is briefly described together with the physical principles behind photoluminescence spectroscopy as a characterization technique.
Úplný záznam
Signal integrity enhancement of mixed electronic systems by differential signaling
 Žilka, Zdeněk ; Berka, Zbyněk ; Braun, Jaromír
Signal integrity of mixed-signal electronic systems may be considerably enhanced when properly designed differential signaling is used for interconnections. In the paper controlled characteristic impedances, rules of routing and terminating of differential lines are treated.
Úplný záznam
The contour plot as model of complex characteristics of linear system
 Braun, Jaromír ; Žilka, Zdeněk ; Berka, Zbyněk
The objective of this paper has been to illustrate the use of the contour plot in various aspect of analysis and design of dynamic systems as filters, correctors or transmission lines in frequency domain. An illustrative example complex group-delay function have been evaluated by MATCAD program.
Úplný záznam

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