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1.发明申请公开(公告)号：US20080224242A1
公开(公告)日：2008-09-18
申请号：US12047830
申请日：2008-03-13
CPC分类号： B81C1/00158
摘要： A process for manufacturing an integrated membrane made of semiconductor material includes the step of forming, in a monolithic body of semiconductor material having a front face, a buried cavity, extending at a distance from the front face and delimiting with the front face a surface region of the monolithic body, the surface region forming a membrane that is suspended above the buried cavity. The process further envisages the step of forming an insulation structure in a surface portion of the monolithic body to electrically insulate the membrane from the monolithic body; and the further and distinct step of setting the insulation structure at a distance from the membrane so that it will be positioned outside the membrane at a non-zero distance of separation.
摘要翻译： 制造由半导体材料制成的集成膜的方法包括以下步骤：在具有前表面的半导体材料的整体中形成一个与前表面相距一定距离的掩埋腔， 的单体，表面区域形成悬浮在掩埋腔上方的膜。 该方法进一步设想在整体式主体的表面部分形成绝缘结构以将膜与整体式电绝缘的步骤; 以及将绝缘结构设置在离膜一定距离处的进一步和不同的步骤，使得其将以非零分离距离定位在膜的外部。
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2.发明授权Process for manufacturing a membrane of semiconductor material integrated in, and electrically insulated from, a substrate 有权用于制造集成在基板中并与其电绝缘的半导体材料的膜的工艺公开(公告)号：US07678600B2
公开(公告)日：2010-03-16
申请号：US12047830
申请日：2008-03-13
IPC分类号： H01L21/00
CPC分类号： B81C1/00158
摘要： A process for manufacturing an integrated membrane made of semiconductor material includes the step of forming, in a monolithic body of semiconductor material having a front face, a buried cavity, extending at a distance from the front face and delimiting with the front face a surface region of the monolithic body, the surface region forming a membrane that is suspended above the buried cavity. The process further envisages the step of forming an insulation structure in a surface portion of the monolithic body to electrically insulate the membrane from the monolithic body; and the further and distinct step of setting the insulation structure at a distance from the membrane so that it will be positioned outside the membrane at a non-zero distance of separation.
摘要翻译： 制造由半导体材料制成的集成膜的方法包括以下步骤：在具有前表面的半导体材料的整体中形成一个与前表面相距一定距离的掩埋腔， 的单体，表面区域形成悬浮在掩埋腔上方的膜。 该方法进一步设想在整体式主体的表面部分形成绝缘结构以将膜与整体式电绝缘的步骤; 以及将绝缘结构设置在离膜一定距离处的进一步和不同的步骤，使得其将以非零分离距离定位在膜的外部。
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公开(公告)号：US20120223402A1
公开(公告)日：2012-09-06
申请号：US13446976
申请日：2012-04-13
IPC分类号： H01L29/84
CPC分类号： G01L9/0073 , G01L9/0045
摘要： A capacitive semiconductor pressure sensor, comprising: a bulk region of semiconductor material; a buried cavity overlying a first part of the bulk region; and a membrane suspended above said buried cavity, wherein, said bulk region and said membrane are formed in a monolithic substrate, and in that said monolithic substrate carries structures for transducing the deflection of said membrane into electrical signals, wherein said bulk region and said membrane form electrodes of a capacitive sensing element, and said transducer structures comprise contact structures in electrical contact with said membrane and with said bulk region.
摘要翻译： 一种电容半导体压力传感器，包括：半导体材料的主体区域; 覆盖大块区域的第一部分的掩埋腔; 以及悬浮在所述掩埋腔上方的膜，其中所述体积区域和所述膜形成在整体式衬底中，并且所述整体式衬底承载用于将所述膜的偏转转换成电信号的结构，其中所述体积区域和所述膜 形成电容感测元件的电极，并且所述换能器结构包括与所述膜电连接并与所述体积区域接触的接触结构。
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公开(公告)号：US20080261345A1
公开(公告)日：2008-10-23
申请号：US12163110
申请日：2008-06-27
IPC分类号： H01L21/00
CPC分类号： G01L9/0073 , G01L9/0045
摘要： Method for manufacturing a semiconductor pressure sensor, wherein, in a silicon substrate, trenches are dug and delimit walls; a closing layer is epitaxially grown, that closes the trenches at the top and forms a suspended membrane; a heat treatment is performed so as to cause migration of the silicon of the walls and to form a closed cavity underneath the suspended membrane; and structures are formed for transducing the deflection of the suspended membrane into electrical signals.
摘要翻译： 制造半导体压力传感器的方法，其中在硅衬底中，挖沟和界定壁; 闭合层外延生长，封闭顶部的沟槽并形成悬浮膜; 进行热处理以使壁的硅迁移并在悬浮膜下方形成封闭空腔; 并且形成用于将悬浮膜的偏转转换成电信号的结构。
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公开(公告)号：US08173513B2
公开(公告)日：2012-05-08
申请号：US12163110
申请日：2008-06-27
IPC分类号： H01L21/76
CPC分类号： G01L9/0073 , G01L9/0045
摘要： Method for manufacturing a semiconductor pressure sensor, wherein, in a silicon substrate, trenches are dug and delimit walls; a closing layer is epitaxially grown, that closes the trenches at the top and forms a suspended membrane; a heat treatment is performed so as to cause migration of the silicon of the walls and to form a closed cavity underneath the suspended membrane; and structures are formed for transducing the deflection of the suspended membrane into electrical signals.
摘要翻译： 制造半导体压力传感器的方法，其中在硅衬底中，挖沟和界定壁; 闭合层外延生长，封闭顶部的沟槽并形成悬浮膜; 进行热处理以使壁的硅迁移并在悬浮膜下方形成封闭空腔; 并且形成用于将悬浮膜的偏转转换成电信号的结构。
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公开(公告)号：US08008738B2
公开(公告)日：2011-08-30
申请号：US12826388
申请日：2010-06-29
CPC分类号： G01L9/0045 , G01L13/025
摘要： An integrated differential pressure sensor includes, in a monolithic body of semiconductor material, a first face and a second face, a cavity extending at a distance from the first face and delimited therewith by a flexible membrane formed in part by epitaxial material from the monolithic body and in part by annealed epitaxial material from the monolithic body, an access passage in fluid communication with the cavity, and in the flexible membrane at least one transduction element configured so as to convert a deformation of the flexible membrane into electrical signals. The cavity is formed in a position set at a distance from the second face and is delimited at the second face with a portion of the monolithic body.
摘要翻译： 集成的差压传感器包括在半导体材料的整体主体中的第一面和第二面，空腔与第一面延伸一定距离，并由其中由通过外延材料部分由整体式形成的柔性膜界定 并且部分地通过来自整体式的退火的外延材料，与空腔流体连通的进入通道，以及柔性膜中的至少一个换能元件，其构造成将柔性膜的变形转换为电信号。 空腔形成在距离第二面一定距离处的位置，并且在第二面处与整体式主体的一部分界定。
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公开(公告)号：US20100269595A1
公开(公告)日：2010-10-28
申请号：US12826388
申请日：2010-06-29
CPC分类号： G01L9/0045 , G01L13/025
摘要： An integrated differential pressure sensor includes, in a monolithic body of semiconductor material, a first face and a second face, a cavity extending at a distance from the first face and delimited therewith by a flexible membrane formed in part by epitaxial material from the monolithic body and in part by annealed epitaxial material from the monolithic body, an access passage in fluid communication with the cavity, and in the flexible membrane at least one transduction element configured so as to convert a deformation of the flexible membrane into electrical signals. The cavity is formed in a position set at a distance from the second face and is delimited at the second face with a portion of the monolithic body.
摘要翻译： 集成的差压传感器包括在半导体材料的整体主体中的第一面和第二面，空腔与第一面延伸一定距离，并由其中由通过外延材料部分由整体式形成的柔性膜界定 并且部分地通过来自整体式的退火的外延材料，与空腔流体连通的进入通道，以及柔性膜中的至少一个换能元件，其构造成将柔性膜的变形转换为电信号。 空腔形成在距离第二面一定距离处的位置，并且在第二面处与整体式主体的一部分界定。
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公开(公告)号：US20060260408A1
公开(公告)日：2006-11-23
申请号：US11417683
申请日：2006-05-04
申请人： Flavio Villa , Pietro Corona , Gabriele Barlocchi , Lorenzo Baldo
发明人： Flavio Villa , Pietro Corona , Gabriele Barlocchi , Lorenzo Baldo
CPC分类号： G01L9/0045 , G01L13/025
摘要： A process for manufacturing an integrated differential pressure sensor includes forming, in a monolithic body of semiconductor material having a first face and a second face, a cavity extending at a distance from the first face and delimiting therewith a flexible membrane, forming an access passage in fluid communication with the cavity, and forming, in the flexible membrane, at least one transduction element configured so as to convert a deformation of the flexible membrane into electrical signals. The cavity is formed in a position set at a distance from the second face and delimits, together with the second face, a portion of the monolithic body. In order to form the access passage, the monolithic body is etched so as to form an access trench extending through it.
摘要翻译： 一种用于制造集成差压传感器的方法，包括在具有第一面和第二面的半导体材料的整体中形成一个与第一面相距一定距离的空腔，并将其限定在柔性膜上，形成入口通道 与空腔流体连通，以及在柔性膜中形成至少一个换能元件，其构造成将柔性膜的变形转换为电信号。 空腔形成在距第二面一定距离处的位置，并与第二面一起界定整体式的一部分。 为了形成进入通道，对整体式主体进行蚀刻以便形成延伸通过其的通道沟槽。
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公开(公告)号：US07763487B2
公开(公告)日：2010-07-27
申请号：US11417683
申请日：2006-05-04
CPC分类号： G01L9/0045 , G01L13/025
摘要： A process for manufacturing an integrated differential pressure sensor includes forming, in a monolithic body of semiconductor material having a first face and a second face, a cavity extending at a distance from the first face and delimiting therewith a flexible membrane, forming an access passage in fluid communication with the cavity, and forming, in the flexible membrane, at least one transduction element configured so as to convert a deformation of the flexible membrane into electrical signals. The cavity is formed in a position set at a distance from the second face and delimits, together with the second face, a portion of the monolithic body. In order to form the access passage, the monolithic body is etched so as to form an access trench extending through it.
摘要翻译： 一种用于制造集成差压传感器的方法，包括在具有第一面和第二面的半导体材料的整体中形成一个与第一面相距一定距离的空腔，并将其限定在柔性膜上，形成入口通道 与空腔流体连通，以及在柔性膜中形成至少一个换能元件，其构造成将柔性膜的变形转换为电信号。 空腔形成在距第二面一定距离处的位置，并与第二面一起界定整体式的一部分。 为了形成进入通道，对整体式主体进行蚀刻以便形成延伸通过其的通道沟槽。
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公开(公告)号：US08575710B2
公开(公告)日：2013-11-05
申请号：US13446976
申请日：2012-04-13
IPC分类号： H01L29/84
CPC分类号： G01L9/0073 , G01L9/0045
摘要： A capacitive semiconductor pressure sensor, comprising: a bulk region of semiconductor material; a buried cavity overlying a first part of the bulk region; and a membrane suspended above said buried cavity, wherein, said bulk region and said membrane are formed in a monolithic substrate, and in that said monolithic substrate carries structures for transducing the deflection of said membrane into electrical signals, wherein said bulk region and said membrane form electrodes of a capacitive sensing element, and said transducer structures comprise contact structures in electrical contact with said membrane and with said bulk region.
摘要翻译： 一种电容半导体压力传感器，包括：半导体材料的主体区域; 覆盖大块区域的第一部分的掩埋腔; 以及悬浮在所述掩埋腔上方的膜，其中所述体积区域和所述膜形成在整体式衬底中，并且所述整体式衬底承载用于将所述膜的偏转转换成电信号的结构，其中所述体积区域和所述膜 形成电容感测元件的电极，并且所述换能器结构包括与所述膜电连接并与所述体积区域接触的接触结构。
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