METHOD FOR FORMING AN ULTRAVIOLET RADIATION RESPONSIVE METAL OXIDE-CONTAINING FILM

    公开(公告)号:US20200176246A1

    公开(公告)日:2020-06-04

    申请号:US16206589

    申请日:2018-11-30

    Abstract: A method for forming ultraviolet (UV) radiation responsive metal-oxide containing film is disclosed. The method may include, depositing an UV radiation responsive metal oxide-containing film over a substrate by, heating the substrate to a deposition temperature of less than 400° C., contacting the substrate with a first vapor phase reactant comprising a metal component, a hydrogen component, and a carbon component, and contacting the substrate with a second vapor phase reactant comprising an oxygen containing precursor, wherein regions of the UV radiation responsive metal oxide-containing film have a first etch rate after UV irradiation and regions of the UV radiation responsive metal oxide-containing film not irradiated with UV radiation have a second etch rate, wherein the second etch rate is different from the first etch rate.

    METHODS FOR FORMING SEMICONDUCTORS BY DIFFUSION

    公开(公告)号:US20180190793A1

    公开(公告)日:2018-07-05

    申请号:US15394571

    申请日:2016-12-29

    Abstract: In some embodiments, a compound semiconductor is formed by diffusion of semiconductor species from a source semiconductor layer into semiconductor material in a substrate. The source semiconductor layer may be an amorphous or polycrystalline structure, and provides a source of semiconductor species for later diffusion into the other semiconductor material. Advantageously, such a semiconductor layer may be more conformal than an epitaxially grown, crystalline semiconductor layer. As a result, this more conformal semiconductor layer acts as a uniform source of the semiconductor species for diffusion into the semiconductor material in the substrate. In some embodiments, an interlayer is formed between the source semiconductor layer and the substrate, and then the interlayer is trimmed before depositing the source semiconductor layer. In some other embodiments, the source semiconductor layer is deposited directly on the substrate, and has an amorphous or polycrystalline structure.

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