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    • 13. 发明授权
    • Method of manufacturing a very deep STI (shallow trench isolation)
    • 制造非常深的STI(浅沟槽隔离)的方法
    • US06436791B1
    • 2002-08-20
    • US09880259
    • 2001-06-14
    • Shih-Chi LinSzu-An WuYing-Lang WangGuey-Bao Huang
    • Shih-Chi LinSzu-An WuYing-Lang WangGuey-Bao Huang
    • H01L21302
    • H01L21/76224
    • A method of forming a shallow trench isolation structure comprising the following steps. A substrate having an upper surface is provided. A pad oxide layer is formed upon the substrate. A nitride layer is formed over the pad oxide layer. The nitride layer having an upper surface. A trench is formed by etching the nitride layer, pad oxide layer and a portion of the substrate. The trench having a bottom and side walls. An oxide film is deposited upon the etched nitride layer surface, and the bottom and side walls of trench. The oxide film is removed from over the etched nitride layer surface, and the bottom of the trench to expose a portion of substrate within the trench. The removal of oxide film leaving oxide spacers over the trench side walls. Epitaxial silicon is selectively deposited over the exposed portion of substrate, filling the trench. A thermal oxide layer is formed over the epitaxial silicon, annealing the interface between the epitaxial silicon and the oxide spacers. The etched nitride layer and the oxide layer from over the etched substrate; and a portion of the oxide spacers extending above the surface of the etched substrate are removed, whereby the shallow trench isolation structure is formed within the trench.
    • 一种形成浅沟槽隔离结构的方法,包括以下步骤。 提供具有上表面的基板。 衬底氧化层形成在衬底上。 在衬垫氧化物层上形成氮化物层。 氮化物层具有上表面。 通过蚀刻氮化物层,衬垫氧化物层和衬底的一部分来形成沟槽。 沟槽具有底部和侧壁。 在蚀刻的氮化物层表面和沟槽的底部和侧壁上沉积氧化物膜。 从蚀刻的氮化物层表面上方的氧化膜和沟槽的底部去除氧化膜,以露出沟槽内的衬底的一部分。 去除在沟槽侧壁上留下氧化物间隔物的氧化物膜。 外延硅被选择性地沉积在衬底的暴露部分上,填充沟槽。 在外延硅上形成热氧化层,退火外延硅与氧化物间隔物之间​​的界面。 蚀刻的氮化物层和来自蚀刻的衬底上的氧化物层; 并且去除在蚀刻的衬底的表面上方延伸的氧化物间隔物的一部分,由此在沟槽内形成浅沟槽隔离结构。
    • 17. 发明授权
    • Oxidation-free copper metallization process using in-situ baking
    • 无氧化铜金属化工艺采用原位烘烤
    • US08470390B2
    • 2013-06-25
    • US11972785
    • 2008-01-11
    • Yu-Sheng WangShih-Ho LinKei-Wei ChenSzu-An WuYing-Lang Wang
    • Yu-Sheng WangShih-Ho LinKei-Wei ChenSzu-An WuYing-Lang Wang
    • B05D5/12C23C14/00
    • H01L21/76814H01L21/02063H01L21/76828H01L21/76843
    • A method of forming an integrated circuit structure includes providing a substrate; forming a metal feature over the substrate; forming a dielectric layer over the metal feature; and forming an opening in the dielectric layer. At least a portion of the metal feature is exposed through the opening. An oxide layer is accordingly formed on an exposed portion of the metal feature. The method further includes, in a production tool having a vacuum environment, performing an oxide-removal process to remove the oxide layer. Between the step of forming the opening and the oxide-removal process, no additional oxide-removal process is performed to the metal feature outside the production tool. The method further includes, in the production tool, forming a diffusion barrier layer in the opening, and forming a seed layer on the diffusion barrier layer.
    • 形成集成电路结构的方法包括提供基板; 在衬底上形成金属特征; 在金属特征上形成介电层; 并在介电层中形成开口。 金属特征的至少一部分通过开口露出。 相应地,在金属特征的暴露部分上形成氧化物层。 该方法还包括在具有真空环境的生产工具中进行氧化物去除工艺以去除氧化物层。 在形成开口的步骤和氧化物去除工艺之间,对生产工具外部的金属特征没有进行额外的氧化物去除处理。 该方法还包括在生产工具中在开口中形成扩散阻挡层,并在扩散阻挡层上形成种子层。
    • 18. 发明申请
    • Oxidation-Free Copper Metallization Process Using In-situ Baking
    • 使用原位烘烤的无氧铜金属化工艺
    • US20090181164A1
    • 2009-07-16
    • US11972785
    • 2008-01-11
    • Yu-Sheng WangShih-Ho LinKei-Wei ChenSzu-An WuYing-Lang Wang
    • Yu-Sheng WangShih-Ho LinKei-Wei ChenSzu-An WuYing-Lang Wang
    • H05K3/46
    • H01L21/76814H01L21/02063H01L21/76828H01L21/76843
    • A method of forming an integrated circuit structure includes providing a substrate; forming a metal feature over the substrate; forming a dielectric layer over the metal feature; and forming an opening in the dielectric layer. At least a portion of the metal feature is exposed through the opening. An oxide layer is accordingly formed on an exposed portion of the metal feature. The method further includes, in a production tool having a vacuum environment, performing an oxide-removal process to remove the oxide layer. Between the step of forming the opening and the oxide-removal process, no additional oxide-removal process is performed to the metal feature outside the production tool. The method further includes, in the production tool, forming a diffusion barrier layer in the opening, and forming a seed layer on the diffusion barrier layer
    • 形成集成电路结构的方法包括提供基板; 在衬底上形成金属特征; 在金属特征上形成介电层; 并在介电层中形成开口。 金属特征的至少一部分通过开口露出。 相应地,在金属特征的暴露部分上形成氧化物层。 该方法还包括在具有真空环境的生产工具中进行氧化物去除工艺以去除氧化物层。 在形成开口的步骤和氧化物去除工艺之间,对生产工具外部的金属特征没有进行额外的氧化物去除处理。 该方法还包括在生产工具中在开口中形成扩散阻挡层,并在扩散阻挡层上形成种子层
    • 19. 发明授权
    • Methods to improve copper-fluorinated silica glass interconnects
    • 改善铜氟化石英玻璃互连的方法
    • US6136680A
    • 2000-10-24
    • US489498
    • 2000-01-21
    • Jane-Bai LaiChung-Shi LiuTien-I BaoSyun-Ming JangChung-Long ChangHui-Ling WangSzu-An WuWen-Kung ChengChun-Ching TsanYing-Lang Wang
    • Jane-Bai LaiChung-Shi LiuTien-I BaoSyun-Ming JangChung-Long ChangHui-Ling WangSzu-An WuWen-Kung ChengChun-Ching TsanYing-Lang Wang
    • H01L21/02H01L21/3105H01L21/321H01L21/768H01L21/44H01L21/4763
    • H01L21/76825H01L21/02074H01L21/3105H01L21/3212H01L21/76826H01L21/76834H01L21/7684H01L21/76883
    • A method of forming an interconnect, comprising the following steps. A semiconductor structure is provided that has an exposed first metal contact and a dielectric layer formed thereover. An FSG layer having a predetermined thickness is then formed over the dielectric layer. A trench, having a predetermined width, is formed within the FSG layer and the dielectric layer exposing the first metal contact. A barrier layer, having a predetermined thickness, may be formed over the FSG layer and lining the trench side walls and bottom. A metal, preferably copper, is then deposited on the barrier layer to form a copper layer, having a predetermined thickness, over said barrier layer covered FSG layer, filling the lined trench and blanket filling the barrier layer covered FSG layer. The copper layer, and the barrier layer on said upper surface of said FSG layer, are planarized, exposing the upper surface of the FSG layer and forming a planarized copper filled trench. The FSG layer and planarized copper filled trench are then processed by either: (1) annealing from about 400 to 450.degree. C. for about one hour, then either NH.sub.3 or H.sub.2 plasma treating; or (2) Ar.sup.+ sputtering to ion implant Ar.sup.+ to a depth of less than about 300 .ANG. in the fluorinated silica glass layer, whereby any formed Si--OH bonds and copper oxide (metal oxide) are removed. A dielectric cap layer, having a predetermined thickness, is then formed over the processed FSG layer and the planarized copper filled trench.
    • 一种形成互连的方法,包括以下步骤。 提供一种半导体结构,其具有暴露的第一金属触点和形成在其上的电介质层。 然后在电介质层上形成具有预定厚度的FSG层。 具有预定宽度的沟槽形成在FSG层内,并且介电层露出第一金属接触。 具有预定厚度的阻挡层可以形成在FSG层之上并且衬在沟槽侧壁和底部。 然后将一种金属,优选铜沉积在阻挡层上,以形成具有预定厚度的铜层,超过所述阻挡层覆盖的FSG层,填充衬里的沟槽和覆盖填充阻挡层覆盖的FSG层的毯子。 所述FSG层的所述上表面上的铜层和阻挡层被平坦化,暴露出FSG层的上表面并形成平坦化的铜填充沟槽。 然后通过以下步骤之一处理FSG层和平坦化的铜填充沟槽:(1)从约400至450℃的退火约1小时,然后进行NH 3或H 2等离子体处理; 或者(2)在氟化石英玻璃层中,离子注入Ar +溅射至小于约300的深度,由此除去任何形成的Si-OH键和氧化铜(金属氧化物)。 然后在经处理的FSG层和平坦化的铜填充沟槽上形成具有预定厚度的电介质盖层。
    • 20. 发明授权
    • Image sensor and method of manufacturing
    • 图像传感器及制造方法
    • US08847286B2
    • 2014-09-30
    • US13349221
    • 2012-01-12
    • Shiu-Ko JangjianKei-Wei ChenSzu-An WuYing-Lang Wang
    • Shiu-Ko JangjianKei-Wei ChenSzu-An WuYing-Lang Wang
    • H01L27/148
    • H01L27/14621H01L27/14623H01L27/1464
    • An image sensor includes a substrate having opposite first and second sides, a multilayer structure on the first side of the substrate, and a photo-sensitive element on the second side of the substrate. The photo-sensitive element is configured to receive light that is incident upon the first side and transmitted through the multilayer structure and the substrate. The multilayer structure includes first and second light transmitting layers. The first light transmitting layer is sandwiched between the substrate and the second light transmitting layer. The first light transmitting layer has a refractive index that is from 60% to 90% of a refractive index of the substrate. The second light transmitting layer has a refractive index that is lower than the refractive index of the first light transmitting layer and is from 40% to 70% of the refractive index of the substrate.
    • 图像传感器包括具有相对的第一和第二侧的基板,在基板的第一侧上的多层结构和在基板的第二侧上的感光元件。 光敏元件被配置为接收入射在第一侧并透过多层结构和基板的光。 多层结构包括第一和第二透光层。 第一透光层夹在基板和第二透光层之间。 第一透光层的折射率为基板折射率的60%至90%。 第二透光层的折射率低于第一透光层的折射率,为基板的折射率的40%〜70%。