Patents by Inventor John W. Reeds, Jr.

John W. Reeds, Jr. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electron beam system
    Patent number: 4263514
    Abstract: Electron beam lens 22 can be operated in a first mode to demagnify and focus the image of electron source 14 at image plane 32. Electron optical lens 34 and 46 further demagnify the image plate 32 through the focal point 60 on the face of target 58 to provide a scannable exposure spot. Electron optical lens 22 can be operated in the second mode which floods aperture 32 so that the image of the aperture is demagnified and focused on target 58 to provide a large exposure area.
    Type: Grant
    Filed: September 13, 1979
    Date of Patent: April 21, 1981
    Assignee: Hughes Aircraft Company
    Inventor: John W. Reeds, Jr.