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.:

US 8652583 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 18, 2014

Filed:

Dec. 10, 2010
Applicants:

Romain Wacquez, Grenoble, FR;

Christophe Constancias, Sarcenas, FR;

Philippe Coronel, Barraux, FR;

Inventors:

Romain Wacquez, Grenoble, FR;

Christophe Constancias, Sarcenas, FR;

Philippe Coronel, Barraux, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The cavity has first and second main walls covered by a photoresist. The photoresist is subjected to electronic or electromagnetic radiation of wavelength comprised between 12.5 nm and 15 nm. A first thickness of the photoresist is exposed to form a first area of sacrificial material and a second area of different nature defining the surface coating. The sacrificial material is removed, the surface coating is formed and has a surface against one of the main walls and a free opposite surface. The lateral dimensions of the surface coating are defined in the cavity by the radiation through the first main wall.


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Wacquez, Romain. (2014). Method for producing a three-dimensionally controlled surface coating in a cavity (U.S. Patent No. 8652583). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8652583

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