Lithographic fragmentation technology

    公开(公告)号:US10416564B1

    公开(公告)日:2019-09-17

    申请号:US15919501

    申请日:2018-03-13

    IPC分类号: G03F7/30 F42B33/00 F42B12/24

    摘要: A fragmentation pattern is formed on a surface of a warhead using an etchant process. An etchant resistance material is coated on an interior surface of the warhead casing. A portion of the etchant resistant material is selectively removed by a directed energy process and an etchant is applied to the exposed portion of the warhead casing surface thereby etching the fragmentation pattern. Alternatively, a protective coating is applied over the entire surface thereby creating the fragmentation pattern.

    Distributed geospatial communications system for UAV monitoring

    公开(公告)号:US10999696B1

    公开(公告)日:2021-05-04

    申请号:US16233344

    申请日:2018-12-27

    发明人: Paul Manz

    摘要: A method on a first mobile node for facilitating exchange of pertinent data between mobile nodes over a wireless communications network can be provided. The method can include establishing, by the first mobile node, a wireless network connection with at least one other mobile node inside a predefined geospatial area, wherein the wireless network connection is established over the wireless communications network. The method can further include determining that a future position of the first mobile node is outside the predefined geospatial area and transmitting pertinent data residing on the first mobile node over the wireless communications network exclusively to the at least one other mobile node inside the predefined geospatial area, wherein the pertinent data is associated with the predefined geospatial area.