- 专利标题: RETICLE IN AN APPARATUS FOR EXTREME ULTRAVIOLET EXPOSURE
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申请号: US17028049申请日: 2020-09-22
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公开(公告)号: US20210302825A1公开(公告)日: 2021-09-30
- 发明人: Mankyu KANG , Hoon KIM , Jongkeun OH , Minho KIM , Heebom KIM
- 申请人: SAMSUNG ELECTRONICS CO., LTD.
- 申请人地址: KR Suwon-si
- 专利权人: SAMSUNG ELECTRONICS CO., LTD.
- 当前专利权人: SAMSUNG ELECTRONICS CO., LTD.
- 当前专利权人地址: KR Suwon-si
- 优先权: KR10-2020-0037307 20200327
- 主分类号: G03F1/54
- IPC分类号: G03F1/54 ; G03F7/20 ; H01L21/033 ; H01L21/308
摘要:
A reticle for an apparatus for EUV exposure and a method of manufacturing a reticle, the reticle including a substrate including an edge region and a main region; a multi-layer structure on the main region and the edge region, a sidewall of the multi-layer structure overlying the edge region; a capping layer covering an upper surface and the sidewall of the multi-layer structure and at least a portion of the edge region of the substrate; and an absorber layer on the capping layer, the absorber layer covering an entire upper surface of the capping layer on the edge region of the substrate, wherein a stacked structure of the capping layer and the absorber layer is on an upper surface of the edge region of the substrate, and a sidewall of the stacked structure of the capping layer and the absorber layer is perpendicular to an upper surface of the substrate.
公开/授权文献
- US11409193B2 Reticle in an apparatus for extreme ultraviolet exposure 公开/授权日:2022-08-09
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