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MESA POROSIFICATION PROCESS

发明专利审中
12浏览
10权利要求 · 2 独立
§ Ⅰ

卷宗概要

发明人

Carole Pernel; Margaux Audibert; Valentin Vivares

IPC 分类

H10H 20/818H10H 20/1H10H 20/825

CPC 分类

H10H20/818H10H20/137H10H20/825

A process for porosifying a structure including a base substrate covered with mesas, the mesas being (Al, In, Ga)N or InP mesas or (Al, In, Ga)N/(Al, In, Ga)N or InP/InP mesas, the mesas being electrochemically porosified according to the following cycle of steps: i) applying a first potential for a first duration, ii) applying a second potential for a second duration, whereby porosified mesas are obtainedincluding, from the side faces of the mesas towards the center of the mesas or vice versa, a first portion having a first porosification ratio and a second portion, the second portion having a second porosification ratio higher than the first porosification ratio or the second portion being hollowed out.

原文(中文)

A process for porosifying a structure including a base substrate covered with mesas, the mesas being (Al, In, Ga)N or InP mesas or (Al, In, Ga)N/(Al, In, Ga)N or InP/InP mesas, the mesas being electrochemically porosified according to the following cycle of steps: i) applying a first potential for a first duration, ii) applying a second potential for a second duration, whereby porosified mesas are obtainedincluding, from the side faces of the mesas towards the center of the mesas or vice versa, a first portion having a first porosification ratio and a second portion, the second portion having a second porosification ratio higher than the first porosification ratio or the second portion being hollowed out.