Time-resolved Analysis of Resist Stripping Phenomenon Using Laser Irradiation

Resist stripping phenomenon with laser irradiation was observed by using a time-resolved analysis. The time change of the resist stripping phenomenon by a probe laser irradiation was observed from the viewpoint of the intensity change of the probe laser. As for the laser irradiation in the water, th...

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Veröffentlicht in:Journal of Photopolymer Science and Technology 2018/06/25, Vol.31(3), pp.413-418
Hauptverfasser: Kamimura, Tomosumi, Umeda, Yuji, Kuramae, Hiroyuki, Nuno, Kosuke, Nakamura, Ryosuke, Horibe, Hideo
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container_issue 3
container_start_page 413
container_title Journal of Photopolymer Science and Technology
container_volume 31
creator Kamimura, Tomosumi
Umeda, Yuji
Kuramae, Hiroyuki
Nuno, Kosuke
Nakamura, Ryosuke
Horibe, Hideo
description Resist stripping phenomenon with laser irradiation was observed by using a time-resolved analysis. The time change of the resist stripping phenomenon by a probe laser irradiation was observed from the viewpoint of the intensity change of the probe laser. As for the laser irradiation in the water, the probe laser intensity arrived at the maximum after around 40 μs. During the pump laser irradiation of 8 ns, a large compressive stress of -10 MPa was confirmed inside the resist from the FE analysis results. The generation of this compression stress is important for starting the resist stripping process, and is thought to improve the resist removal efficiency.
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source J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; EZB-FREE-00999 freely available EZB journals; Free Full-Text Journals in Chemistry
subjects Compressive properties
Compressive stress
Electrons
Finite element (FE) method
Ions
Irradiation
Lasers
Pump laser irradiation
Removal efficiency
Resist stripping phenomenon
Stripping
Time-resolved analysis
title Time-resolved Analysis of Resist Stripping Phenomenon Using Laser Irradiation
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