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:
Jun. 23, 1987
Filed:
Jul. 08, 1985
Applicant:
Inventors:
James L Wood, Westland, MI (US);
Nicola J Grupido, Union Lake, MI (US);
Keith L Hart, Flat Rock, MI (US);
John E Keem, Bloomfield Hills, MI (US);
Assignee:
Ovonic Synthetic Materials Company, Inc., Troy, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21K / ;
U.S. Cl.
CPC ...
378 84 ; 378 85 ;
Abstract
Multiple wavelength X-ray dispersive devices and method of forming them are provided which reflect at least two wavelengths of interest at the same or different angles. The devices include a plurality of layer sets formed on one another, each set having at least two units. At least one unit includes at least two layers having a first d spacing and the second unit has at least one layer with a second d spacing. A plurality of one or both of the units can also be provided in each layer set.