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    • 5. 发明申请
    • TREATMENT METHOD AND DEVICE OF THE WORKING LAYER OF A MULTILAYER STRUCTURE
    • 多层结构工作层的处理方法和装置
    • WO2005088716A2
    • 2005-09-22
    • PCT/IB2005/000832
    • 2005-03-10
    • S.O.I.TEC SILICON ON INSULATOR TECHNOLOGIESALLIBERT, FrédéricBRUNIER, François
    • ALLIBERT, FrédéricBRUNIER, François
    • H01L23/544
    • H01L22/34H01L2924/0002H01L2924/00
    • According to a first embodiment, the invention relates to a method for treating an electrically conductive working layer of a multilayer structure made from semiconductor materials, the structure including under said working layer an electrically insulating layer, said treatment being destined to constitute in said working layer at least one island surrounded by material of the electrically insulating layer, method including a wet chemical etching step of the working layer, method characterised in that prior to the wet etching step selective masking is realised on several regions of said working layer in order to constitute in this working layer several islands, each region masked from the layer corresponding to a respective island. The invention also proposes the application of such a method to the characterisation of the electrical properties of a structure, and an associated device.
    • 根据第一实施例,本发明涉及一种用于处理由半导体材料制成的多层结构的导电工作层的方法,所述结构包括在所述工作层下方的电绝缘层,所述处理旨在构成在所述工作层 由电绝缘层的材料包围的至少一个岛,包括工作层的湿化学蚀刻步骤的方法,其特征在于,在湿蚀刻步骤之前,在所述工作层的几个区域上实现选择性掩蔽以构成 在该工作层中,几个岛,每个区域从对应于相应岛的层掩蔽。 本发明还提出了这种方法用于表征结构和相关联的装置的电气特性的应用。