Patent ID: 8349660
Filing Date: 2013-01-08
Classification: B81C,G01P,H01L

Abstract:
1. A process for closing at least one cavity for at least one microelectronic device, comprising at least the following steps: a) Producing at least one cavity in a first substrate comprising at least one first layer traversed by at least one opening forming an access to the cavity; b) Producing at least one portion of bond material around the opening, on a face of the first layer located on the side opposite the cavity; c) Producing, on a second substrate, at least one portion of fusible material with a deposition of the fusible material on the second substrate and the use of a mask; d) Placing the portion of fusible material in contact with the portion of bond material; e) Forming a plug for the opening, which adheres to the portion of bond material, by melting and then solidification of the fusible material; f) Separating the plug and the second substrate.