The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 1977
Filed:
Dec. 13, 1974
Charles M Schott, Jr, Gloucester, MA (US);
Geoffrey Ryding, Manchester, MA (US);
Varian Associates, Palo Alto, CA (US);
Abstract
An apparatus for distributing a beam substantially uniformly over a workpiece comprising a workpiece holder, first means for rotating the holder in a generally circular path about a first axis which is generally perpendicular to the axis of the beam, second means for counter-rotating the holder about a second axis parallel to the first axis at a rate dependent upon the rate of rotation of the holder about the first axis to provide, in cooperation with the first means, a constant orientation of the holder relative to the beam, and third means for producing relative motion between the workpiece and the beam in a direction parallel to the first axis.