Journal of Russian Laser Research

, Volume 40, Issue 6, pp 581–589 | Cite as

Ultraviolet Laser Patterning of Fluorine-Doped Tin Oxide with Different Radiation Directions

  • Huan Yang
  • Yu Cao
  • Wei Xue
  • Wenwen LiuEmail author


Selective laser patterning of thin films in a multilayered structure is an emerging technology for fabricating optoelectronics and microelectronics devices. As the application of ultraviolet (UV) lasers is more and more popular in electronics manufacturing, in this study, we compare UV laser patterning of fluorine-doped tin oxide (FTO) films from the front and back sides. We summarize a formula for calculating the focus offset in back-side ablation (BSA) and analyze systematically the relationships between the laser ablation crater size, the damage on glass substrate, and the laser ablation parameters. In addition, the laser ablation process and mechanisms of the BSA and the front-side ablation (FSA) are also elaborated in this paper.


355 nm ultraviolet laser fluorine-doped tin oxide back-side ablation 


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.College of Mechanical & Electrical EngineeringWenzhou UniversityWenzhouChina
  2. 2.Sino-German College of Intelligent ManufacturingShenzhen Technology UniversityShenzhenChina

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