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:
Apr. 17, 2012
Filed:
Jun. 23, 2009
Sebastien Kerdiles, Saint-Ismier, FR;
Carine Duret, Grenoble, FR;
Alexandre Vaufredaz, Voiron, FR;
Frédéric Metral, St. Quentin sur Isère, FR;
Sebastien Kerdiles, Saint-Ismier, FR;
Carine Duret, Grenoble, FR;
Alexandre Vaufredaz, Voiron, FR;
Frédéric Metral, St. Quentin sur Isère, FR;
Soitec, Bernin, FR;
Abstract
The invention relates to a process for bonding by molecular adhesion of two substrates to one another during which the surfaces of the substrates are placed in close contact and bonding occurs by propagation of a bonding front between the substrates. The invention includes, prior to bonding, a step of modifying the surface state of one or both of the surfaces of the substrates so as to regulate the propagation speed of the bonding front. The surface can be modified by locally or uniformly heating or roughening the surface(s) of the substrate(s).