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Berlin 2012 – wissenschaftliches Programm

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SYRS: Symposium Resistive Switching

SYRS 2: Poster: Resistive switching (jointly organized by DS, DF, KR, HL)

SYRS 2.40: Poster

Donnerstag, 29. März 2012, 17:30–19:00, Poster E

Laser thinning of titanium foils — •Regina Moser, Adrian Zacherle, Gerhard Heise, and Heinz Huber — Munich University of Applied Sciences, Lothstrasse 34, 80335 Munich, Germany

Electron beam guns with powers of approximately 100 kW are used for drying printing colors. The exit window for the electron beam consists of a 10 um thin titan foil. By thinning this window, electron transmission can be increased reducing the required acceleration voltage and power consumption for the electron gun. In fact, the minimal achievable thickness in an industrial rolling process is about 10 um. To keep the thin foils vacuum proof and to retain their mechanical stability, we are reducing the foils thickness locally using ultra short pulse laser ablation. For this purpose, different overlap values, fluencies and structuring strategies as well as sample mounting methods are examined to reduce foil thickness maintaining optimal surface quality and suppressing the observed foil benching.

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DPG-Physik > DPG-Verhandlungen > 2012 > Berlin