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In this study, we report on femtosecond (470fs) laser pulse ablation and modification of solution processed single-walled carbon nanotube (SWCNT) networks sprayed on oxidized silicon and polyimide substrates. Taking advantage of the small heat affected zone of the femtosecond pulse regime we demonstrate precise and selective laser processes, that advance laser patterning beyond simple galvanic isolation...
In recent years, several applications for the laser ablation of thin metal films from the glass substrate side have been studied.In this case, the laser pulse transmits through the glass substrate, the metal film absorbs the pulse, and the energy is confined at the molybdenum-glass interface. The ablation mechanism is called confined laser ablation. It was observed that the confined laser ablation...
Recently, a so-called “directly induced” laser ablation effect has been reported, where an ultra-short laser pulse (660 fs and 1053 nm) irradiates a thin Mo film through a glass substrate, resulting in a “lift-off” of the irradiated layer in form of a thin, solid, cylindrical fragment. This effect provides a new and very energy-efficient selective structuring process for the Mo back electrode in thin-film...
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