公开(公告)号：US07943480B2

公开(公告)日：2011-05-17

申请号：US12029800

申请日：2008-02-12

申请人： Daniel C. Edelstein ,  Nicholas C. M. Fuller ,  David V. Horak ,  Elbert E. Huang ,  Wai-Kin Li ,  Anthony D. Lisi ,  Satyanarayana V. Nitta ,  Shom Ponoth

发明人： Daniel C. Edelstein ,  Nicholas C. M. Fuller ,  David V. Horak ,  Elbert E. Huang ,  Wai-Kin Li ,  Anthony D. Lisi ,  Satyanarayana V. Nitta ,  Shom Ponoth

IPC分类号： H01L23/00

CPC分类号： H01L21/7682 ,  H01L21/0273 ,  H01L21/0337 ,  H01L21/0338 ,  H01L21/31144

摘要： Sub-lithographic dimensioned air gap formation and related structure are disclosed. In one embodiment, a method includes forming a dielectric layer including interconnects on a substrate; depositing a cap layer on the dielectric layer; depositing a photoresist over the cap layer; patterning the photoresist to include a first trench pattern at most partially overlying the interconnects; forming a spacer within the first trench pattern to form a second trench pattern having a sub-lithographic dimension; transferring the second trench pattern into the cap layer and into the dielectric layer between the interconnects; and depositing another dielectric layer to form an air gap by pinching off the trench in the dielectric layer.

摘要翻译： 公开了亚光刻尺寸气隙形成和相关结构。 在一个实施例中，一种方法包括在衬底上形成包括互连的介质层; 在电介质层上沉积盖层; 在所述盖层上沉积光致抗蚀剂; 图案化光致抗蚀剂以包括最多部分地覆盖互连的第一沟槽图案; 在所述第一沟槽图案内形成间隔物以形成具有亚光刻尺寸的第二沟槽图案; 将所述第二沟槽图案转移到所述覆盖层中并进入所述互连之间的所述介电层; 并且通过夹住介电层中的沟槽而沉积另一介质层以形成气隙。

公开(公告)号：US20110266682A1

公开(公告)日：2011-11-03

申请号：US12770254

申请日：2010-04-29

申请人： Daniel C. Edelstein ,  David V. Horak ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Takeshi Nogami ,  Shom Ponoth ,  Terry A. Spooner

发明人： Daniel C. Edelstein ,  David V. Horak ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Takeshi Nogami ,  Shom Ponoth ,  Terry A. Spooner

IPC分类号： H01L29/40 ,  H01L21/4763

CPC分类号： H05K1/0216 ,  H01L21/7682 ,  H01L21/76832 ,  H01L21/76834 ,  H01L21/76849 ,  H01L21/76852 ,  H05K1/0298 ,  H05K1/03 ,  H05K2201/0707 ,  H05K2201/09063

摘要： A microelectronic structure and a method for fabricating the microelectronic structure provide a plurality of voids interposed between a plurality of conductor layers. The plurality of voids is also located between a liner layer and an inter-level dielectric layer. The voids provide for enhanced electrical performance of the microelectronic structure.

摘要翻译： 微电子结构和微电子结构的制造方法提供插入在多个导体层之间的多个空隙。 多个空隙也位于衬垫层和层间电介质层之间。 空隙提供了微电子结构的增强的电性能。

公开(公告)号：US09059251B2

公开(公告)日：2015-06-16

申请号：US13614524

申请日：2012-09-13

申请人： Daniel C. Edelstein ,  David V. Horak ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Takeshi Nogami ,  Shom Ponoth ,  Terry A. Spooner

发明人： Daniel C. Edelstein ,  David V. Horak ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Takeshi Nogami ,  Shom Ponoth ,  Terry A. Spooner

IPC分类号： H01L23/48 ,  H01L23/52 ,  H01L29/40 ,  H01L21/768

CPC分类号： H05K1/0216 ,  H01L21/7682 ,  H01L21/76832 ,  H01L21/76834 ,  H01L21/76849 ,  H01L21/76852 ,  H05K1/0298 ,  H05K1/03 ,  H05K2201/0707 ,  H05K2201/09063

摘要： A microelectronic structure and a method for fabricating the microelectronic structure provide a plurality of voids interposed between a plurality of conductor layers. The plurality of voids is also located between a liner layer and an inter-level dielectric layer. The voids provide for enhanced electrical performance of the microelectronic structure.

公开(公告)号：US20090200636A1

公开(公告)日：2009-08-13

申请号：US12029800

申请日：2008-02-12

申请人： Daniel C. Edelstein ,  Nicholas C. M. Fuller ,  David V. Horak ,  Elbert E. Huang ,  Wai-Kin Li ,  Anthony D. Lisi ,  Satyanarayana V. Nitta ,  Shom Ponoth

发明人： Daniel C. Edelstein ,  Nicholas C. M. Fuller ,  David V. Horak ,  Elbert E. Huang ,  Wai-Kin Li ,  Anthony D. Lisi ,  Satyanarayana V. Nitta ,  Shom Ponoth

IPC分类号： H01L23/00 ,  H01L21/4763

CPC分类号： H01L21/7682 ,  H01L21/0273 ,  H01L21/0337 ,  H01L21/0338 ,  H01L21/31144

摘要： Sub-lithographic dimensioned air gap formation and related structure are disclosed. In one embodiment, a method includes forming a dielectric layer including interconnects on a substrate; depositing a cap layer on the dielectric layer; depositing a photoresist over the cap layer; patterning the photoresist to include a first trench pattern at most partially overlying the interconnects; forming a spacer within the first trench pattern to form a second trench pattern having a sub-lithographic dimension; transferring the second trench pattern into the cap layer and into the dielectric layer between the interconnects; and depositing another dielectric layer to form an air gap by pinching off the trench in the dielectric layer.

摘要翻译： 公开了亚光刻尺寸气隙形成和相关结构。 在一个实施例中，一种方法包括在衬底上形成包括互连的介质层; 在电介质层上沉积盖层; 在所述盖层上沉积光致抗蚀剂; 图案化光致抗蚀剂以包括最多部分地覆盖互连的第一沟槽图案; 在所述第一沟槽图案内形成间隔物以形成具有亚光刻尺寸的第二沟槽图案; 将所述第二沟槽图案转移到所述覆盖层中并进入所述互连之间的所述介电层; 并且通过夹住介电层中的沟槽而沉积另一介质层以形成气隙。

公开(公告)号：US20130012017A1

公开(公告)日：2013-01-10

申请号：US13614563

申请日：2012-09-13

申请人： Daniel C. Edelstein ,  David V. Horak ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Takeshi Nogami ,  Shom Ponoth ,  Terry A. Spooner

发明人： Daniel C. Edelstein ,  David V. Horak ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Takeshi Nogami ,  Shom Ponoth ,  Terry A. Spooner

IPC分类号： H01L21/768

CPC分类号： H05K1/0216 ,  H01L21/7682 ,  H01L21/76832 ,  H01L21/76834 ,  H01L21/76849 ,  H01L21/76852 ,  H05K1/0298 ,  H05K1/03 ,  H05K2201/0707 ,  H05K2201/09063

摘要： A microelectronic structure and a method for fabricating the microelectronic structure provide a plurality of voids interposed between a plurality of conductor layers. The plurality of voids is also located between a liner layer and an inter-level dielectric layer. The voids provide for enhanced electrical performance of the microelectronic structure.

公开(公告)号：US20110227232A1

公开(公告)日：2011-09-22

申请号：US12724903

申请日：2010-03-16

申请人： Griselda Bonilla ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Shom Ponoth

发明人： Griselda Bonilla ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Shom Ponoth

IPC分类号： H01L23/528 ,  H01L21/768

CPC分类号： H01L23/5283 ,  H01L21/31144 ,  H01L21/76804 ,  H01L21/76816 ,  H01L2924/0002 ,  H01L2924/3011 ,  H01L2924/00

摘要： A method for forming crenulated conductors and a device having crenulated conductors includes forming a hardmask layer on a dielectric layer, and patterning the hardmask layer. Trenches are etched in the dielectric layer using the hardmask layer such that the trenches have shallower portions and deeper portions alternating along a length of the trench. A conductor is deposited in the trenches such that crenulated conductive lines are formed having different depths periodically disposed along the length of the conductive line.

摘要翻译： 用于形成齿形导体的方法和具有齿形导体的器件包括在介电层上形成硬掩模层，并对硬掩模层进行构图。 使用硬掩模层在电介质层中蚀刻沟槽，使得沟槽具有沿着沟槽的长度交替的较浅部分和较深部分。 导体沉积在沟槽中，使得形成具有沿着导电线的长度周期性地设置的不同深度的锯齿形导电线。

公开(公告)号：US08809183B2

公开(公告)日：2014-08-19

申请号：US12887010

申请日：2010-09-21

申请人： Griselda Bonilla ,  Lawrence A. Clevenger ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Shom Ponoth

发明人： Griselda Bonilla ,  Lawrence A. Clevenger ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Shom Ponoth

IPC分类号： H01L21/4763

CPC分类号： H01L23/5329 ,  H01L21/28562 ,  H01L21/288 ,  H01L21/76825 ,  H01L21/76826 ,  H01L21/76834 ,  H01L21/76835 ,  H01L21/76849 ,  H01L21/76861 ,  H01L21/76862 ,  H01L23/53223 ,  H01L23/53238 ,  H01L23/53266 ,  H01L23/53295 ,  H01L2924/0002 ,  H01L2924/00

摘要： A selective conductive cap is deposited on exposed metal surfaces of a metal line by electroless plating selective to exposed underlying dielectric surfaces of a metal interconnect structure. A dielectric material layer is deposited on the selective conductive cap and the exposed underlying dielectric layer without a preclean. The dielectric material layer is planarized to form a horizontal planar surface that is coplanar with a topmost surface of the selective conductive cap. A preclean is performed and a dielectric cap layer is deposited on the selective conductive cap and the planarized surface of the dielectric material layer. Because the interface including a surface damaged by the preclean is vertically offset from the topmost surface of the metal line, electromigration of the metal in the metal line along the interface is reduced or eliminated.

摘要翻译： 选择性导电盖通过对金属互连结构的暴露的下面的电介质表面可选择的化学镀层沉积在金属线的暴露的金属表面上。 介电材料层沉积在选择性导电盖和暴露的下面的介质层上，而不需要预清洗。 介电材料层被平坦化以形成与选择性导电帽的最顶面共面的水平平面。 执行预清洁，并且在选择性导电盖和介电材料层的平坦化表面上沉积电介质盖层。 由于包括由预清洗层损坏的表面的界面垂直偏离金属线的最上表面，所以金属线中的金属沿着界面的电迁移减少或消除。

公开(公告)号：US20120068344A1

公开(公告)日：2012-03-22

申请号：US12887010

申请日：2010-09-21

申请人： Griselda Bonilla ,  Lawrence A. Clevenger ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Shom Ponoth

发明人： Griselda Bonilla ,  Lawrence A. Clevenger ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Shom Ponoth

IPC分类号： H01L23/532 ,  H01L21/768

CPC分类号： H01L23/5329 ,  H01L21/28562 ,  H01L21/288 ,  H01L21/76825 ,  H01L21/76826 ,  H01L21/76834 ,  H01L21/76835 ,  H01L21/76849 ,  H01L21/76861 ,  H01L21/76862 ,  H01L23/53223 ,  H01L23/53238 ,  H01L23/53266 ,  H01L23/53295 ,  H01L2924/0002 ,  H01L2924/00

摘要： A selective conductive cap is deposited on exposed metal surfaces of a metal line by electroless plating selective to exposed underlying dielectric surfaces of a metal interconnect structure. A dielectric material layer is deposited on the selective conductive cap and the exposed underlying dielectric layer without a preclean. The dielectric material layer is planarized to form a horizontal planar surface that is coplanar with a topmost surface of the selective conductive cap. A preclean is performed and a dielectric cap layer is deposited on the selective conductive cap and the planarized surface of the dielectric material layer. Because the interface including a surface damaged by the preclean is vertically offset from the topmost surface of the metal line, electromigration of the metal in the metal line along the interface is reduced or eliminated.

摘要翻译： 选择性导电盖通过对金属互连结构的暴露的下面的电介质表面可选择的化学镀层沉积在金属线的暴露的金属表面上。 介电材料层沉积在选择性导电盖和暴露的下面的介质层上，而不需要预清洗。 介电材料层被平坦化以形成与选择性导电帽的最顶面共面的水平平面。 执行预清洁，并且在选择性导电盖和介电材料层的平坦化表面上沉积电介质盖层。 由于包括由预清洗层损坏的表面的界面垂直偏离金属线的最上表面，所以金属线中的金属沿着界面的电迁移减少或消除。

公开(公告)号：US08421239B2

公开(公告)日：2013-04-16

申请号：US12724903

申请日：2010-03-16

申请人： Griselda Bonilla ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Shom Ponoth

发明人： Griselda Bonilla ,  Elbert E. Huang ,  Satyanarayana V. Nitta ,  Shom Ponoth

IPC分类号： H01L29/40

CPC分类号： H01L23/5283 ,  H01L21/31144 ,  H01L21/76804 ,  H01L21/76816 ,  H01L2924/0002 ,  H01L2924/3011 ,  H01L2924/00

摘要： A method for forming crenulated conductors and a device having crenulated conductors includes forming a hardmask layer on a dielectric layer, and patterning the hardmask layer. Trenches are etched in the dielectric layer using the hardmask layer such that the trenches have shallower portions and deeper portions alternating along a length of the trench. A conductor is deposited in the trenches such that crenulated conductive lines are formed having different depths periodically disposed along the length of the conductive line.

摘要翻译： 用于形成齿形导体的方法和具有齿形导体的器件包括在介电层上形成硬掩模层，并对硬掩模层进行构图。 使用硬掩模层在电介质层中蚀刻沟槽，使得沟槽具有沿着沟槽的长度交替的较浅部分和较深部分。 导体沉积在沟槽中，使得形成具有沿着导电线的长度周期性地设置的不同深度的锯齿形导电线。

公开(公告)号：US08343868B2

公开(公告)日：2013-01-01

申请号：US13005201

申请日：2011-01-12

申请人： Daniel C. Edelstein ,  Matthew E. Colburn ,  Edward C. Cooney, III ,  Timothy J. Dalton ,  John A. Fitzsimmons ,  Jeffrey P. Gambino ,  Elbert E. Huang ,  Michael W. Lane ,  Vincent J. McGahay ,  Lee M. Nicholson ,  Satyanarayana V. Nitta ,  Sampath Purushothaman ,  Sujatha Sankaran ,  Thomas M. Shaw ,  Andrew H. Simon ,  Anthony K. Stamper

发明人： Daniel C. Edelstein ,  Matthew E. Colburn ,  Edward C. Cooney, III ,  Timothy J. Dalton ,  John A. Fitzsimmons ,  Jeffrey P. Gambino ,  Elbert E. Huang ,  Michael W. Lane ,  Vincent J. McGahay ,  Lee M. Nicholson ,  Satyanarayana V. Nitta ,  Sampath Purushothaman ,  Sujatha Sankaran ,  Thomas M. Shaw ,  Andrew H. Simon ,  Anthony K. Stamper

IPC分类号： H01L21/00

CPC分类号： B82Y30/00 ,  H01L21/0332 ,  H01L21/31111 ,  H01L21/31144 ,  H01L21/7682 ,  H01L21/76829 ,  H01L23/5222 ,  H01L23/53295 ,  H01L2924/0002 ,  Y10S438/947 ,  H01L2924/00

摘要： Method of manufacturing a structure which includes the steps of providing a structure having an insulator layer with at least one interconnect, forming a sub lithographic template mask over the insulator layer, and selectively etching the insulator layer through the sub lithographic template mask to form sub lithographic features spanning to a sidewall of the plurality of interconnects.

摘要翻译： 一种制造结构的方法，包括以下步骤：提供具有至少一个互连的绝缘体层的结构，在绝缘体层上形成次级光刻模板掩模，以及通过次级光刻模板掩模选择性地蚀刻绝缘体层以形成次光刻 特征跨越到多个互连的侧壁。