Smart beam shaping for the deposition of solid polymeric material by laser forward transfer

Ludovic Rapp; Catalin Constantinescu; Yannick Larmande; Anne Patricia Alloncle; Philippe Delaporte

doi:10.1007/s00339-014-8305-7

Smart beam shaping for the deposition of solid polymeric material by laser forward transfer

Ludovic Rapp^*, Catalin Constantinescu, Yannick Larmande, Anne Patricia Alloncle, Philippe Delaporte

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

Laser-induced forward transfer (LIFT) has been investigated for the transfer of a polymeric material. This study focuses on the comparison of the printing process using conventional LIFT printing with a simple square mask and an optimized LIFT technique using a double mask setup, i.e. smart beam shaping (SBS). The purpose is to optimize the energy repartition on the donor layer using a beam profile with over-intensities at the edges and low intensities in the center. This allows the incoming irradiation fluence on the donor layer to be kept as low as possible in the central area, thus preventing the organic pixels being damaged by laser irradiation. The influence of the film’s thickness on the SBS efficiency is discussed.

Original language	English
Pages (from-to)	333-339
Number of pages	7
Journal	Applied Physics A: Materials Science and Processing
Volume	117
Issue number	1
DOIs	https://doi.org/10.1007/s00339-014-8305-7
Publication status	Published - 1 Jun 2014
Externally published	Yes

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title = "Smart beam shaping for the deposition of solid polymeric material by laser forward transfer",

abstract = "Laser-induced forward transfer (LIFT) has been investigated for the transfer of a polymeric material. This study focuses on the comparison of the printing process using conventional LIFT printing with a simple square mask and an optimized LIFT technique using a double mask setup, i.e. smart beam shaping (SBS). The purpose is to optimize the energy repartition on the donor layer using a beam profile with over-intensities at the edges and low intensities in the center. This allows the incoming irradiation fluence on the donor layer to be kept as low as possible in the central area, thus preventing the organic pixels being damaged by laser irradiation. The influence of the film{\textquoteright}s thickness on the SBS efficiency is discussed.",

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AU - Alloncle, Anne Patricia

AU - Delaporte, Philippe

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AB - Laser-induced forward transfer (LIFT) has been investigated for the transfer of a polymeric material. This study focuses on the comparison of the printing process using conventional LIFT printing with a simple square mask and an optimized LIFT technique using a double mask setup, i.e. smart beam shaping (SBS). The purpose is to optimize the energy repartition on the donor layer using a beam profile with over-intensities at the edges and low intensities in the center. This allows the incoming irradiation fluence on the donor layer to be kept as low as possible in the central area, thus preventing the organic pixels being damaged by laser irradiation. The influence of the film’s thickness on the SBS efficiency is discussed.

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Smart beam shaping for the deposition of solid polymeric material by laser forward transfer

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