Patents by Inventor Candace Joy Flattery-Freedenberg

Candace Joy Flattery-Freedenberg 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).

  • Patent number: 5828481
    Abstract: A Mid-Objective scanner system for correcting astigmatism, bow distortion and field curvature including a tilted lens or a toric lens for producing an opposite amount of astigmatism to correct astigmatism, a scanning mechanism and a concave cylindrical mirror for directing the scanned beam onto to a workpiece wherein the concave cylindrical mirror has a radius of curvature that corrects the field of curvature in the image plane of the workpiece and thereby enables the scanner system to correct astigmatism, bow distortion and field curvature.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: October 27, 1998
    Assignee: International Business Machines Corporation
    Inventors: Joshua Monroe Cobb, Candace Joy Flattery-Freedenberg, Franz X. Topolovec, Uldis Artis Ziemins
  • Patent number: 5754328
    Abstract: A method for correcting astigmatism, bow distortion and field curvature using a Mid-Objective scanner system wherein the system includes a tilted lens or a toric lens for producing an opposite amount of astigmatism to correct astigmatism, a scanning mechanism and a concave cylindrical mirror for directing the scanned beam onto to a workpiece wherein the concave cylindrical mirror has a radius of curvature that corrects the field of curvature in the image plane of the workpiece and thereby enables the scanner system to correct astigmatism, bow distortion and field curvature.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: May 19, 1998
    Assignee: International Business Machines Corporation
    Inventors: Joshua Monroe Cobb, Candace Joy Flattery-Freedenberg, Franz X. Topolovec, Uldis Artis Ziemins