Search Results - "Izawa, Masaru"

Refine Results
  1. 1

    Thermal-cyclic atomic layer etching of cobalt with smooth etched surface by plasma oxidation and organometallization by Fujisaki, Sumiko, Yamaguchi, Yoshihide, Kobayashi, Hiroyuki, Shinoda, Kazunori, Yamada, Masaki, Hamamura, Hirotaka, Kawamura, Kohei, Izawa, Masaru

    Published in Applied physics letters (19-09-2022)
    “…Thermal-cyclic atomic layer etching of a Co film and a fine pattern with a smooth etched surface by plasma oxidation and organometallization is demonstrated…”
    Get full text
    Journal Article
  2. 2

    Oxidation state of cobalt oxide in thermal-cyclic atomic layer etching of cobalt by plasma oxidation and organometallization by Fujisaki, Sumiko, Yamaguchi, Yoshihide, Kobayashi, Hiroyuki, Shinoda, Kazunori, Yamada, Masaki, Kawamura, Kohei, Izawa, Masaru

    Published in AIP advances (01-04-2024)
    “…Thermal-cyclic atomic layer etching of Co blanket film and a fine pattern by plasma oxidation and organometallization were investigated. To obtain a smoothly…”
    Get full text
    Journal Article
  3. 3

    Self-limiting reactions of ammonium salt in CHF3/O2 downstream plasma for thermal-cyclic atomic layer etching of silicon nitride by Shinoda, Kazunori, Miyoshi, Nobuya, Kobayashi, Hiroyuki, Izawa, Masaru, Saeki, Tomonori, Ishikawa, Kenji, Hori, Masaru

    “…Self-limiting reactions of ammonium salt in CHF3/O2 downstream plasma were demonstrated for thermal-cyclic atomic layer etching (ALE) of Si3N4. In situ x-ray…”
    Get full text
    Journal Article
  4. 4

    Dry etching of ternary metal carbide TiAlC via surface modification using floating wire-assisted vapor plasma by Nguyen, Thi-Thuy-Nga, Shinoda, Kazunori, Hamamura, Hirotaka, Maeda, Kenji, Yokogawa, Kenetsu, Izawa, Masaru, Ishikawa, Kenji, Hori, Masaru

    Published in Scientific reports (27-11-2022)
    “…Dry etching of ternary metal carbides TiAlC has been first developed by transferring from wet etching to dry etching using a floating wire (FW)-assisted…”
    Get full text
    Journal Article
  5. 5

    Atomic layer etching of silicon nitride using infrared annealing for short desorption time of ammonium fluorosilicate by Miyoshi, Nobuya, Kobayashi, Hiroyuki, Shinoda, Kazunori, Kurihara, Masaru, Watanabe, Tomoyuki, Kouzuma, Yutaka, Yokogawa, Kenetsu, Sakai, Satoshi, Izawa, Masaru

    Published in Japanese Journal of Applied Physics (01-06-2017)
    “…An atomic layer etching process for silicon nitride (Si3N4) has been developed in which ammonium fluorosilicate [(NH4)2SiF6] is formed and desorbed using…”
    Get full text
    Journal Article
  6. 6

    Improving the etching performance of high-aspect-ratio contacts by wafer temperature control by Tandou, Takumi, Kubo, Seiji, Yokogawa, Ken’etsu, Negishi, Nobuyuki, Izawa, Masaru

    Published in Precision engineering (01-04-2016)
    “…•A novel wafer temperature control system using direct expansion cycles is developed.•A design method to achieve uniform temperature over a wafer is…”
    Get full text
    Journal Article
  7. 7
  8. 8

    Investigation of particle reduction and its transport mechanism in UHF-ECR dielectric etching system by Kobayashi, Hiroyuki, Yokogawa, Ken'etsu, Maeda, Kenji, Izawa, Masaru

    Published in Thin solid films (01-04-2008)
    “…Control of particle transport was investigated by using a UHF-ECR etching apparatus with a laser particle monitor. The particles, which float at a…”
    Get full text
    Journal Article Conference Proceeding
  9. 9
  10. 10

    Study on the Distribution Control of Etching Rate and Critical Dimensions in Microwave Electron Cyclotron Resonance Plasmas for the Next Generation 450 mm Wafer Processing by Maeda, Kenji, Obama, Shinji, Tamura, Hitoshi, Miya, Go, Izawa, Masaru

    Published in Japanese Journal of Applied Physics (01-08-2012)
    “…A newly designed microwave electron cyclotron resonance (ECR) plasma etching reactor has been developed for 450 mm wafer processing. The etching rates of…”
    Get full text
    Journal Article
  11. 11
  12. 12

    Effects of radical-distribution control on etching-profile uniformity in dielectric etching by Kobayashi, Hiroyuki, Yokogawa, Ken'etsu, Maeda, Kenji, Kanekiyo, Tadamitsu, Izawa, Masaru

    Published in Thin solid films (23-04-2007)
    “…Uniformity control of etching profile and etching rate across a wafer during damascene etching was investigated using a UHF-ECR etching apparatus with a…”
    Get full text
    Journal Article Conference Proceeding
  13. 13

    Atomic layer etching of SiO2 with self-limiting behavior on the surface modification step using sequential exposure of HF and NH3 by Miyoshi, Nobuya, Kobayashi, Hiroyuki, Shinoda, Kazunori, Kurihara, Masaru, Kawamura, Kohei, Kouzuma, Yutaka, Izawa, Masaru

    “…Thermal atomic layer etching (ALE) for SiO2 films with self-limiting behavior on the surface modification step was developed using sequential exposure to HF…”
    Get full text
    Journal Article
  14. 14

    Atomic layer etching of Si3N4 with high selectivity to SiO2 and poly-Si by Miyoshi, Nobuya, Shinoda, Kazunori, Kobayashi, Hiroyuki, Kurihara, Masaru, Kouzuma, Yutaka, Izawa, Masaru

    “…Atomic layer etching (ALE) is usually classified into ion-driven anisotropic etching or thermally driven isotropic etching. In this work, we present a thermal…”
    Get full text
    Journal Article
  15. 15

    Gate CD Control Considering Variation of Gate and STI Structure by Kurihara, M.., Izawa, M.., Tanaka, J., Kawai, K.., Fujiwara, N..

    “…We developed a fab-wide advanced process control system to control the critical dimension (CD) of gate electrode length in semiconductors. We also developed a…”
    Get full text
    Journal Article Conference Proceeding
  16. 16

    Nonhalogen Dry Etching of Metal Carbide TiAlC by Low-Pressure N 2 /H 2 Plasma at Room Temperature by Nguyen, Thi-Thuy-Nga, Shinoda, Kazunori, Hsiao, Shih-Nan, Maeda, Kenji, Yokogawa, Kenetsu, Izawa, Masaru, Ishikawa, Kenji, Hori, Masaru

    Published in ACS applied materials & interfaces (02-10-2024)
    “…Ternary metal carbide TiAlC has been proposed as a metal gate material in logic semiconductor devices. It is a hard-to-etch material due to the low volatility…”
    Get full text
    Journal Article
  17. 17

    Nonhalogen Dry Etching of Metal Carbide TiAlC by Low-Pressure N2/H2 Plasma at Room Temperature by Nguyen, Thi-Thuy-Nga, Shinoda, Kazunori, Hsiao, Shih-Nan, Maeda, Kenji, Yokogawa, Kenetsu, Izawa, Masaru, Ishikawa, Kenji, Hori, Masaru

    Published in ACS applied materials & interfaces (02-10-2024)
    “…Ternary metal carbide TiAlC has been proposed as a metal gate material in logic semiconductor devices. It is a hard-to-etch material due to the low volatility…”
    Get full text
    Journal Article
  18. 18

    Improving the etching performance of high-aspect-ratio contacts by wafer temperature control: Uniform temperature design and etching rate enhancement by Tandoua, Takumi, Kubob, Seiji, Yokogawaa, Ken'etsu, Negishia, Nobuyuki, Izawaa, Masaru

    Published in Precision engineering (01-04-2016)
    “…A novel wafer temperature control system using direct expansion cycles is developed to improve etching performance. This system enables rapid temperature…”
    Get full text
    Journal Article
  19. 19

    Investigation of reduction in etch rate of isolated holes in SiOCH by Momonoi, Yoshinori, Yonekura, Kazumasa, Izawa, Masaru

    Published in Thin solid films (01-04-2008)
    “…The reduction in the etch rate of isolated holes in SiOCH was investigated as functions of deposition condition of SiOCH, cap-layer presence, air-exposure time…”
    Get full text
    Journal Article Conference Proceeding
  20. 20

    Tribological Properties of Water Glass Lubricant for Hot Metalworking by Matsumoto, Keishi, Izawa, Masaru, Nakanishi, Tetsuya, Tsubouchi, Kenji

    Published in Tribology transactions (01-07-2009)
    “…Tribological properties of water glass (sodium silicate aqueous solution) with graphite powders, a lubricant for hot metalworking, were studied by means of…”
    Get full text
    Journal Article