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    • 3. 发明授权
    • Method for fabricating micro-electro-mechanical system (MEMS) device
    • 微机电系统(MEMS)装置的制造方法
    • US08173471B2
    • 2012-05-08
    • US12111208
    • 2008-04-29
    • Tsung-Min HsiehChien-Hsing Lee
    • Tsung-Min HsiehChien-Hsing Lee
    • H01L21/00H01L29/84
    • B81C1/00246B81B2201/0235B81B2207/015B81C2203/0714B81C2203/0735G01P15/0802G01P15/125
    • A method for fabricating MEMS device includes providing a substrate having a first side and a second side. Then, a structural dielectric layer is formed over the substrate at the first side, wherein a structural conductive layer is embedded in the structural dielectric layer. A multi-stage patterning process is performed on the substrate from the second side, wherein a plurality of regions of the substrate with different levels is formed and a portion of the structural dielectric layer is exposed. An isotropic etching process is performed from the second side of the substrate or from the both side of the substrate to etch the structural dielectric layer, wherein a remaining portion of the structural dielectric layer comprises the structural conductive layer and a dielectric portion enclosed by the structural conductive layer.
    • 一种用于制造MEMS器件的方法包括提供具有第一侧和第二侧的衬底。 然后,在第一侧的基板上形成结构介电层,其中结构导电层嵌入结构介电层中。 从第二侧在基板上进行多级图案化处理,其中形成具有不同层次的基板的多个区域,并且结构介电层的一部分被暴露。 从衬底的第二侧或从衬底的两侧进行各向同性蚀刻工艺,以蚀刻结构电介质层,其中结构介电层的剩余部分包括结构导电层和由结构介电层包围的电介质部分 导电层。
    • 4. 发明授权
    • Method for fabricating MEMS device
    • 制造MEMS器件的方法
    • US08030112B2
    • 2011-10-04
    • US12691754
    • 2010-01-22
    • Tsung-Min HsiehChien-Hsing LeeJhyy-Cheng Liou
    • Tsung-Min HsiehChien-Hsing LeeJhyy-Cheng Liou
    • H01L21/00
    • B81C1/00246B81B2203/0315B81B2207/015B81C2201/016B81C2203/0714H04R19/005H04R19/04H04R31/00
    • A method for fabricating MEMS device includes: providing a single crystal substrate, having first surface and second surface and having a MEMS region and an IC region; forming SCS mass blocks on the first surface in the MEMS region; forming a structural dielectric layer over the first surface of the substrate, wherein a dielectric member of the structural dielectric layer is filled in spaces surrounding the SCS mass blocks in the MEMS region, the IC region has a circuit structure with an interconnection structure formed in the structural dielectric layer; patterning the single crystal substrate by an etching process on the second surface to expose a portion of the dielectric member filled in the spaces surrounding the SCS mass blocks; performing isotropic etching process at least on the dielectric portion filled in the spaces surrounding the SCS mass blocks. The SCS mass blocks are exposed to release a MEMS structure.
    • 一种制造MEMS器件的方法包括:提供具有第一表面和第二表面并具有MEMS区域和IC区域的单晶衬底; 在MEMS区域的第一表面上形成SCS质量块; 在所述基板的所述第一表面上形成结构介电层,其中所述结构介电层的电介质部件填充在所述MEMS区域中围绕所述SCS质量块的空间中,所述IC区域具有形成在所述MEMS区域中的互连结构的电路结构 结构介电层; 通过在第二表面上的蚀刻工艺对单晶衬底进行图案化,以暴露填充在围绕SCS质量块的空间中的电介质构件的一部分; 至少在填充在SCS质量块周围的空间中的电介质部分上进行各向同性蚀刻处理。 暴露SCS质量块以释放MEMS结构。
    • 10. 发明授权
    • Micro-electro-mechanical systems (MEMS) device and method for fabricating the same
    • 微机电系统(MEMS)装置及其制造方法
    • US08502329B2
    • 2013-08-06
    • US13224297
    • 2011-09-01
    • Tsung-Min HsiehChien-Hsing LeeJhyy-Cheng Liou
    • Tsung-Min HsiehChien-Hsing LeeJhyy-Cheng Liou
    • H01L29/84
    • B81C1/00698B81C1/00682H01G5/18H04R19/005H04R19/04
    • A MEMS device includes a substrate. The substrate has a plurality of through holes in the substrate within a diaphragm region and optionally an indent space from the second surface at the diaphragm region. A first dielectric structural layer is then disposed over the substrate from the first surface, wherein the first dielectric structural layer has a plurality of openings corresponding to the through holes, wherein each of the through holes remains exposed by the first dielectric structural layer. A second dielectric structural layer with a chamber is disposed over the first dielectric structural layer, wherein the chamber exposes the openings of the first dielectric structural layer and the through holes of the substrate to connect to the indent space. A MEMS diaphragm is embedded in the second dielectric structural layer above the chamber, wherein an air gap is formed between the substrate and the MEMS diaphragm.
    • MEMS器件包括衬底。 衬底在膜片区域内的衬底中具有多个通孔,并且可选地在隔膜区域处具有与第二表面相邻的凹陷空间。 然后,第一介电结构层从第一表面设置在衬底上,其中第一介电结构层具有对应于通孔的多个开口,其中每个通孔保持被第一介电结构层暴露。 具有腔室的第二电介质结构层设置在第一介电结构层上,其中腔室暴露第一介电结构层的开口和衬底的通孔以连接到凹陷空间。 MEMS隔膜嵌入在腔室上方的第二电介质结构层中,其中在衬底和MEMS隔膜之间形成气隙。