Grid control electrode manufacturing process for igbt...

H - Electricity – 01 – L

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H01L 21/283 (2006.01) H01L 21/331 (2006.01) H01L 21/441 (2006.01)

Patent

CA 2287814

Ce procédé de fabrication d'une électrode (28) de commande de grille pour transistor bipolaire à grille isolée, à partir d'une plaque de matériau électriquement conducteur recouverte d'une couche (22) électriquement isolante et délimitant, sur une de ses grandes faces, un plot de connexion destiné à être soudé sur la grille, comporte les étapes consistant à former sur le plot une couche (30) de matériau électriquement conducteur recouvrant la couche (22) électriquement isolante, former sur la plaque une piste électriquement conductrice d'alimentation du plot de connexion, et enterrer la piste d'alimentation.

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