13.
    发明专利
    未知

    公开(公告)号:FR2845201B1

    公开(公告)日:2005-08-05

    申请号:FR0211989

    申请日:2002-09-27

    Abstract: The formation of a portion of a composite material from the elements of an initial material and a metal at the heart of an electronic circuit, comprises: (a) formation of a cavity (C) incorporating at least one opening (O) towards an access surface and presenting an internal wall having a zone of an initial material; (b) deposition of a metal (6) in the proximity of this zone of initial material; (c) heating of the circuit to form a portion of composite material (26) in the zone of initial material; (d) withdrawing from the cavity, via the opening, at least one portion of the metal not having formed the composite material. Independent claims are also included for: (a) an electronic circuit incorporating a portion of composite material formed by this method and acting as an electrical connection; (b) a MOS transistor incorporating a gate having a portion of composite material formed by this method.

    16.
    发明专利
    未知

    公开(公告)号:FR2821208B1

    公开(公告)日:2003-04-11

    申请号:FR0102347

    申请日:2001-02-21

    Abstract: The invention relates to a process for protection of the grid of a transistor in an integrated circuit for production of a local interconnection pad straddling over the grid and the silicon substrate on which it is formed. The process consists of applying a double dielectric-conducting layer on the transistor grid into which a polysilicon layer is added in order to use the selectivity principle, which is large considering the etching of polysilicon with respect to the oxide in which the local interconnection pad is formed. Furthermore, with the process according to the invention, a silicidation treatment can be applied beforehand on the active areas of the transistor and the grid.

    Method for the integration of DRAM memory by providing a cell architecture that augments the density of integration

    公开(公告)号:FR2819633A1

    公开(公告)日:2002-07-19

    申请号:FR0100691

    申请日:2001-01-18

    Abstract: A method for the integration of a Dynamic Random Access Memory (DRAM), allowing a freedom from the alignment margins inherent in the photoengraving of the upper electrode for the contact passage of the bit line, the retreat of the upper electrode being auto-aligned on the lower electrode, consists of: (a) forming a topographical difference at the spot (A) where the opening for the upper electrode is to be realised; (b) depositing a layer of non-doped polysilicon on the upper electrode; (c) producing an implantation of strongly inclined doping in this layer; (d) selectively engraving the non-doped part of the layer situated in the lower part of the zone (A) presenting the topographical difference; (e) and engraving the remaining part of the polysilicon layer as well as the upper electrode layer situated in the lower part.

    SYSTEME DE CONVERSION D'ENERGIE THERMIQUE EN ENERGIE ELECTRIQUE A EFFICACITE AMELIOREE

    公开(公告)号:FR2982424A1

    公开(公告)日:2013-05-10

    申请号:FR1160209

    申请日:2011-11-09

    Abstract: Système de conversion d'énergie thermique en énergie électrique (S1) destiné à être disposé entre une source chaude (SC) et une source froide (SF) , comportant des moyens de conversion de l'énergie thermique en énergie mécanique (6) et un matériau piézoélectrique, les moyens de conversion de l'énergie thermique en énergie mécanique (6) comportant des groupes (G1, G2 ) de au moins trois bilames (9, 11, 13) reliés mécaniquement entre eux par leur extrémités longitudinales et suspendus au-dessus d'un substrat (12), chaque bilame (9, 11, 13) comportant deux états stables dans lesquels il présente dans chacun des états une courbure, deux bilames directement adjacentes (9, 11, 13) présentant pour une température donnée des courbures opposées, le passage d'un état à stable des bilames (9, 11, 13) à l'autre provoquant la déformation d'un matériau piézoélectrique.

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