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    • 15. 发明申请
    • MEMORY DEVICE AND METHOD FOR MANUFACTURING MEMORY DEVICES
    • 用于制造存储器件的存储器件和方法
    • US20110250747A1
    • 2011-10-13
    • US13081849
    • 2011-04-07
    • Suk-Joon SonEun-Suk Cho
    • Suk-Joon SonEun-Suk Cho
    • H01L21/336
    • H01L21/28273H01L21/0206H01L21/02071H01L27/11521
    • Provided are a method for manufacturing a memory device and a memory device manufactured by the method. The memory device may be a flash memory device. The method for manufacturing the memory device may include sequentially stacking a tunnel dielectric, a floating gate conductive layer, an inter-gate dielectric, and a control gate conductive layer on a semiconductor substrate; anisotropically etching the floating gate conductive layer, the inter-gate dielectric, and the control gate conductive layer to form gate structures. The gate structures may be separated by regions where top surfaces of the tunnel dielectric are exposed, the exposed top surfaces being damaged during formation of the gate structures. The method includes reacting the exposed top surfaces of the tunnel dielectric damaged during the formation of the gate structures with a reaction gas comprising ammonium fluoride to form a reaction by-product on the exposed top surfaces of the tunnel dielectric, and removing the reaction by-product.
    • 提供一种用于制造通过该方法制造的存储器件和存储器件的方法。 存储器件可以是闪存器件。 用于制造存储器件的方法可以包括在半导体衬底上依次层叠隧道电介质,浮栅导电层,栅极间电介质和控制栅导电层; 各向异性蚀刻浮栅导电层,栅极间电介质和控制栅极导电层以形成栅极结构。 栅极结构可以由隧道电介质的顶表面暴露的区域分开,暴露的顶表面在栅极结构的形成期间被损坏。 该方法包括使形成栅极结构期间损坏的隧道电介质的暴露的顶表面与包含氟化铵的反应气体反应,以在隧道电介质的暴露的顶表面上形成反应副产物, 产品。
    • 19. 发明授权
    • Memory device and method for manufacturing memory devices
    • 用于制造存储器件的存储器件和方法
    • US08524590B2
    • 2013-09-03
    • US13081849
    • 2011-04-07
    • Suk-Joon SonEun-Suk Cho
    • Suk-Joon SonEun-Suk Cho
    • H01L21/336
    • H01L21/28273H01L21/0206H01L21/02071H01L27/11521
    • Provided are a method for manufacturing a memory device and a memory device manufactured by the method. The memory device may be a flash memory device. The method for manufacturing the memory device may include sequentially stacking a tunnel dielectric, a floating gate conductive layer, an inter-gate dielectric, and a control gate conductive layer on a semiconductor substrate; anisotropically etching the floating gate conductive layer, the inter-gate dielectric, and the control gate conductive layer to form gate structures. The gate structures may be separated by regions where top surfaces of the tunnel dielectric are exposed, the exposed top surfaces being damaged during formation of the gate structures. The method includes reacting the exposed top surfaces of the tunnel dielectric damaged during the formation of the gate structures with a reaction gas comprising ammonium fluoride to form a reaction by-product on the exposed top surfaces of the tunnel dielectric, and removing the reaction by-product.
    • 提供一种用于制造通过该方法制造的存储器件和存储器件的方法。 存储器件可以是闪存器件。 用于制造存储器件的方法可以包括在半导体衬底上依次层叠隧道电介质,浮栅导电层,栅极间电介质和控制栅导电层; 各向异性蚀刻浮栅导电层,栅极间电介质和控制栅极导电层以形成栅极结构。 栅极结构可以由隧道电介质的顶表面暴露的区域分开,暴露的顶表面在栅极结构的形成期间被损坏。 该方法包括使形成栅极结构期间损坏的隧道电介质的暴露的顶表面与包含氟化铵的反应气体反应,以在隧道电介质的暴露的顶表面上形成反应副产物, 产品。