Suppression of substrate temperature in DC magnetron sputtering deposition by magnetic mirror-type magnetron cathode

Magnetron sputtering generally increases the temperature of the substrate placed to face the sputtering target above 40 °C because the plasmas are transported through unbalanced magnetic field lines from the sputtering target to the substrate surface. However, by using a magnetic mirror-type magnetr...

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Main Authors: Taisei Motomura, Kenshin Takemura, Toshimi Nagase, Nobutomo Morita, Tatsuo Tabaru
Format: Article
Language:English
Published: AIP Publishing LLC 2023-02-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/5.0138840
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author Taisei Motomura
Kenshin Takemura
Toshimi Nagase
Nobutomo Morita
Tatsuo Tabaru
author_facet Taisei Motomura
Kenshin Takemura
Toshimi Nagase
Nobutomo Morita
Tatsuo Tabaru
author_sort Taisei Motomura
collection DOAJ
description Magnetron sputtering generally increases the temperature of the substrate placed to face the sputtering target above 40 °C because the plasmas are transported through unbalanced magnetic field lines from the sputtering target to the substrate surface. However, by using a magnetic mirror-type magnetron cathode, we were able to suppress the temperature of the substrate temperature to the environmental temperature of less than 40 °C at a target–substrate distance of ≥50 mm with a DC input power of ≤30 W and an Ar gas pressure of ≤0.15 Pa. This was possible because the balanced magnetic field lines confined the plasmas near the sputtering target. By enabling film deposition on low heat-resistant substrates, this deposition technique for suppressing the substrate temperature may have uses in various application fields.
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spelling doaj.art-4747f61fb4bd40d2b5779294a4625c222023-03-10T17:26:21ZengAIP Publishing LLCAIP Advances2158-32262023-02-01132025153025153-510.1063/5.0138840Suppression of substrate temperature in DC magnetron sputtering deposition by magnetic mirror-type magnetron cathodeTaisei Motomura0Kenshin Takemura1Toshimi Nagase2Nobutomo Morita3Tatsuo Tabaru4Sensing System Research Center, National Institute of Advanced Industrial Science and Technology, 807-1 Shuku-machi, Tosu, Saga 841-0052, JapanSensing System Research Center, National Institute of Advanced Industrial Science and Technology, 807-1 Shuku-machi, Tosu, Saga 841-0052, JapanSensing System Research Center, National Institute of Advanced Industrial Science and Technology, 807-1 Shuku-machi, Tosu, Saga 841-0052, JapanSensing System Research Center, National Institute of Advanced Industrial Science and Technology, 807-1 Shuku-machi, Tosu, Saga 841-0052, JapanSensing System Research Center, National Institute of Advanced Industrial Science and Technology, 807-1 Shuku-machi, Tosu, Saga 841-0052, JapanMagnetron sputtering generally increases the temperature of the substrate placed to face the sputtering target above 40 °C because the plasmas are transported through unbalanced magnetic field lines from the sputtering target to the substrate surface. However, by using a magnetic mirror-type magnetron cathode, we were able to suppress the temperature of the substrate temperature to the environmental temperature of less than 40 °C at a target–substrate distance of ≥50 mm with a DC input power of ≤30 W and an Ar gas pressure of ≤0.15 Pa. This was possible because the balanced magnetic field lines confined the plasmas near the sputtering target. By enabling film deposition on low heat-resistant substrates, this deposition technique for suppressing the substrate temperature may have uses in various application fields.http://dx.doi.org/10.1063/5.0138840
spellingShingle Taisei Motomura
Kenshin Takemura
Toshimi Nagase
Nobutomo Morita
Tatsuo Tabaru
Suppression of substrate temperature in DC magnetron sputtering deposition by magnetic mirror-type magnetron cathode
AIP Advances
title Suppression of substrate temperature in DC magnetron sputtering deposition by magnetic mirror-type magnetron cathode
title_full Suppression of substrate temperature in DC magnetron sputtering deposition by magnetic mirror-type magnetron cathode
title_fullStr Suppression of substrate temperature in DC magnetron sputtering deposition by magnetic mirror-type magnetron cathode
title_full_unstemmed Suppression of substrate temperature in DC magnetron sputtering deposition by magnetic mirror-type magnetron cathode
title_short Suppression of substrate temperature in DC magnetron sputtering deposition by magnetic mirror-type magnetron cathode
title_sort suppression of substrate temperature in dc magnetron sputtering deposition by magnetic mirror type magnetron cathode
url http://dx.doi.org/10.1063/5.0138840
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