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:
Oct. 14, 2003
Filed:
Aug. 21, 2001
Applicant:
Inventors:
Marc Rabarot, St Egreve, FR;
Jean Marty, Seyssins, FR;
Assignee:
Commissariat a l'Energie Atomique, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44C 1/22 ;
U.S. Cl.
CPC ...
B44C 1/22 ;
Abstract
Process for the formation of at least one concave relief ( ) in a substrate comprising forming at least one embossment of material subject to creep ( ) on the substrate ( ), —heating of the material subject to creep to a temperature sufficiently high to cause creep of the said material, and—etching of the substrate and the crept material to form relief in the substrate. According to the invention, the crept material is solidified in a state in which it has a concave relief.