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:
Feb. 05, 2013
Filed:
Aug. 02, 2010
Xavier Baillin, Crolles, FR;
Stéphane Caplet, Sassenage, FR;
Thierry Hilt, Barraux, FR;
Abstract
A microcavity structure including: a first substrate, a cover attached to the first substrate such that a space formed between the cover and the first substrate forms the microcavity, at least one hole passing through the cover, and at least one closing flap of the hole placed inside the microcavity and including at least two portions of materials with different thermal expansion coefficients placed one against the other, at least one first end of the two portions being mechanically linked to the cover, at least a second end of the two portions being free, and at least a part of the closing flap being placed opposite the hole, the two portions being capable of closing or not the hole under the effect of a temperature variation.