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    • 27. 发明授权
    • Methods of fabricating memory cells for nonvolatile memory devices
    • 制造非易失性存储器件存储单元的方法
    • US06551899B1
    • 2003-04-22
    • US10172066
    • 2002-06-14
    • Hsu-Sheng YuChun-Hung Lee
    • Hsu-Sheng YuChun-Hung Lee
    • H01L2176
    • H01L27/11517H01L27/115
    • A method for fabricating nonvolatile memory devices includes forming one or more polyislands, each having a conductive layer and a dielectric layer, on a dielectric layer of a substrate before the creation of control gates on the memory device. In particular, the polyislands may be formed by providing a substrate with a dielectric layer on a surface of the substrate, and forming one or more bar-like structures on the substrate. Each of the bar-like structures includes a conductive layer and a dielectric layer. The bar-like structures are then patterned with compositions having various etching sensitivities for the components of the bar-like structures, to thereby create one or more polyislands before the addition of a second conductive layer over the resulting structure.
    • 一种用于制造非易失性存储器件的方法包括在存储器件上形成控制栅极之前,在衬底的电介质层上形成一个或多个各自具有导电层和介电层的聚异氰酸酯。 特别地,可以通过在衬底的表面上提供具有介电层的衬底并在衬底上形成一个或多个棒状结构来形成多晶体。 每个棒状结构都包括导电层和电介质层。 然后使用具有针对棒状结构的部件的各种蚀刻敏感性的组合物对条状结构进行构图,从而在所得结构上添加第二导电层之前产生一个或多个聚异氰酸酯。
    • 28. 发明授权
    • Process for forming a shallow trench isolation
    • 形成浅沟槽隔离的工艺
    • US06350660B1
    • 2002-02-26
    • US09840896
    • 2001-04-25
    • Shiuh-Sheng YuChun-Hung LeeMing-Chung Liang
    • Shiuh-Sheng YuChun-Hung LeeMing-Chung Liang
    • H01L2176
    • H01L21/76232
    • First of all, a semiconductor substrate that has a pad oxide layer thereon is provided. Then a nitride layer is formed on the pad oxide layer. Next, a photoresist layer is formed and defined on the nitride layer. Afterward, performing a residual etching process to etch the nitride layer to form an opening and a convex remainder of the nitride layer. The convex remainder of the nitride layer and the semiconductor substrate are then etched by way of using a top rounding process to form the rounding corners on the semiconductor substrate. Subsequently, performing a process for forming the trench to form a trench with the rounding corners. Finally, the follow-up processes are performed to form the shallow trench isolation.
    • 首先,提供在其上具有衬垫氧化物层的半导体衬底。 然后在衬垫氧化物层上形成氮化物层。 接着,在氮化物层上形成并限定光致抗蚀剂层。 之后,执行残留蚀刻工艺以蚀刻氮化物层以形成氮化物层的开口和凸起的剩余部分。 然后通过使用顶部圆化工艺来蚀刻氮化物层和半导体衬底的凸起的剩余部分,以在半导体衬底上形成圆角。 随后,执行用于形成沟槽以形成具有圆角的沟槽的工艺。 最后,进行后续处理以形成浅沟槽隔离。