Mask and method for forming the same
    3.
    发明授权
    Mask and method for forming the same 有权
    面具及其形成方法

    公开(公告)号:US08974988B2

    公开(公告)日:2015-03-10

    申请号:US13451767

    申请日:2012-04-20

    IPC分类号: G03F1/48

    摘要: A photomask includes a low thermal expansion material (LTEM) substrate, a patterned opaque layer over the LTEM substrate, and a patterned capping layer over the opaque layer. The patterned capping layer includes a transition metal material for suppressing haze growth, such as metal oxide, metal nitride, or metal oxynitride. The material in the capping layer reacts with a hydrogenic compound from a lithography environment to for an atomic level hydrogen passivation layer. The passivation layer has superior ability to suppress photo-induced haze defect growth on the photomask surface, to improve production cycle time and reduce the production cost.

    摘要翻译: 光掩模包括低热膨胀材料(LTEM)衬底,在LTEM衬底上的图案化不透明层,以及在不透明层上的图案化覆盖层。 图案化覆盖层包括用于抑制雾度生长的过渡金属材料,例如金属氧化物,金属氮化物或金属氮氧化物。 覆盖层中的材料与来自光刻环境的氢化合物与原子级氢钝化层反应。 钝化层在光掩模表面上具有优异的抑制光致霾缺陷生长的能力,提高生产周期时间,降低生产成本。

    METHOD OF MAKING A LITHOGRAPHY MASK
    5.
    发明申请
    METHOD OF MAKING A LITHOGRAPHY MASK 审中-公开
    制作光刻面膜的方法

    公开(公告)号:US20130260289A1

    公开(公告)日:2013-10-03

    申请号:US13437565

    申请日:2012-04-02

    IPC分类号: G03F1/78 B82Y40/00

    摘要: A method of fabricating a lithography mask with carbon-based-charging-dissipation (CBCD) layer is disclosed. The method includes providing a substrate, depositing an opaque layer on the substrate, coating a photoresist and depositing a charging dissipation layer on the photoresist. The photoresist is patterned by an electron-beam writing. The CBCD layer is removed during developing the photoresist.

    摘要翻译: 公开了一种制造具有碳基带电耗散(CBCD)层的光刻掩模的方法。 该方法包括提供衬底,在衬底上沉积不透明层,涂覆光致抗蚀剂并在光致抗蚀剂上沉积充电耗散层。 光刻胶通过电子束写入进行图案化。 在显影光致抗蚀剂期间去除CBCD层。