EXTREME ULTRAVIOLET MASK BLANK HARD MASK MATERIALS

    公开(公告)号:WO2021154715A1

    公开(公告)日:2021-08-05

    申请号:PCT/US2021/015068

    申请日:2021-01-26

    Abstract: Extreme ultraviolet (EUV) mask blanks, methods for their manufacture and production systems therefor are disclosed. The EUV mask blanks comprise a substrate; a multilayer stack of reflective layers on the substrate; a capping layer on the multilayer stack of reflecting layers; an absorber layer on the capping layer, the absorber layer comprising a tantalum-containing material; and a hard mask layer on the absorber layer, the hard mask layer comprising a hard mask material selected from the group consisting of CrO, CrON, TaNi, TaRu and TaCu.

    EXTREME ULTRAVIOLET MASK ABSORBER MATERIALS
    3.
    发明申请

    公开(公告)号:WO2021222179A1

    公开(公告)日:2021-11-04

    申请号:PCT/US2021/029305

    申请日:2021-04-27

    Abstract: Extreme ultraviolet (EUV) mask blanks, methods for their manufacture and production systems therefor are disclosed. The EUV mask blanks comprise a substrate,; a multilayer stack of reflective layers on the substrate, a capping layer on the multilayer stack of reflecting layers, and an absorber on the capping layer. The absorber comprising a plurality of bilayers comprising a first layer of silicon and a second layer selected from the group consisting of TaSb, CSb, TaNi, TaCu, SbN, CrN, Cr, Ir, Pd, Re, Os, Cd, Co, Ag, Pt, oxides of TaSb, CSb, TaNi, TaCu, SbN, CrN, Cr, Ir, Pd, Re, Os, Cd, Co, Ag, Pt, and nitrides of TaSb, CSb, TaNi, TaCu, Cr, Ir, Pd, Re, Os, Cd, Co, Ag, and Pt.

    EXTREME ULTRAVIOLET MASK ABSORBER MATERIALS
    4.
    发明申请

    公开(公告)号:WO2021211676A1

    公开(公告)日:2021-10-21

    申请号:PCT/US2021/027221

    申请日:2021-04-14

    Abstract: Extreme ultraviolet (EUV) mask blanks, methods for their manufacture and production systems therefor are disclosed. The EUV mask blanks comprise a substrate; a multilayer stack of reflective layers on the substrate; a capping layer on the multilayer stack of reflecting layers; and an absorber layer on the capping layer, the absorber layer made from carbon and antimony.

    EXTREME ULTRAVIOLET MASK ABSORBER MATERIALS
    5.
    发明申请

    公开(公告)号:WO2021195194A1

    公开(公告)日:2021-09-30

    申请号:PCT/US2021/023857

    申请日:2021-03-24

    Abstract: Extreme ultraviolet (EUV) mask blanks, methods for their manufacture and production systems therefor are disclosed, The EUV mask blanks comprise a substrate,; a multilayer stack of reflective layers on the substrate, a capping layer on the multilayer stack of reflecting layers, and an absorber on the capping layer. The absorber comprises a first layer selected from the group consisting of Mo, Nb, V, alloys of Mo, Nb and V, oxides of Mo, oxides of Nb, oxides of V, nitrides of Mo, nitrides of Nb and nitrides of V and a second layer selected from the group consisting of TaSb, CSb, SbN, TaNi, TaCu and TaRu.

    EXTREME ULTRAVIOLET MASK ABSORBER MATERIALS
    6.
    发明申请

    公开(公告)号:WO2022076057A1

    公开(公告)日:2022-04-14

    申请号:PCT/US2021/043121

    申请日:2021-07-26

    Abstract: Extreme ultraviolet (EUV) mask blanks, methods for their manufacture and production systems therefor are disclosed. The EUV mask blanks comprise a substrate; a multilayer stack of reflective layers on the substrate; a capping layer on the multilayer stack of reflecting layers; and an absorber layer on the capping layer, the absorber layer comprising an alloy selected from an alloy of tantalum, iridium and antimony; an alloy of iridium and antimony; and an alloy of tantalum, ruthenium and antimony.

    EXTREME ULTRAVIOLET MASK BLANK HARD MASK MATERIALS

    公开(公告)号:WO2021154714A1

    公开(公告)日:2021-08-05

    申请号:PCT/US2021/015067

    申请日:2021-01-26

    Abstract: Extreme ultraviolet (EUV) mask blanks, methods for their manufacture and production systems therefor are disclosed. The EUV mask blanks comprise a substrate; a multilayer stack of reflective layers on the substrate; a capping layer on the multilayer stack of reflecting layers; an absorber layer on the capping layer, the absorber layer comprising an antimony-containing material; and a hard mask layer on the absorber layer, the hard mask layer comprising a hard mask material selected from the group consisting of CrO, CrON, TaNi, TaRu and TaCu.

    EXTREME ULTRAVIOLET MASK ABSORBER MATERIALS
    10.
    发明申请

    公开(公告)号:WO2022235545A1

    公开(公告)日:2022-11-10

    申请号:PCT/US2022/027232

    申请日:2022-05-02

    Abstract: Extreme ultraviolet (EUV) mask blanks, methods for their manufacture and production systems therefor are disclosed. The EUV mask blanks comprise an absorber layer comprising a material selected from the group consisting of ruthenium (Ru) and one or more elements of Group 1, Ru and one or more elements of Group 1 and one or more elements of Group 2, Ru and one or more elements of Group 1 and tantalum (Ta), Ru and one or more elements of Group 1 and Ta and one or more elements of Group 2, tellurium (Te) and nickel (Ni), and tellurium (Te) and aluminum (Al).

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