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    • 4. 发明授权
    • Method for semiconductor wafer planarization by CMP stop layer formation
    • 通过CMP停止层形成的半导体晶片平面化方法
    • US06770523B1
    • 2004-08-03
    • US10190397
    • 2002-07-02
    • Kashmir S. SahotaJeffrey P. ErhardtArvind HalliyalMinh Van NgoKrishnashree Achuthan
    • Kashmir S. SahotaJeffrey P. ErhardtArvind HalliyalMinh Van NgoKrishnashree Achuthan
    • H01L218238
    • H01L21/76229H01L21/31053
    • A method of manufacturing an integrated circuit is provided having a semiconductor wafer. A chemical-mechanical polishing stop layer is deposited on the semiconductor wafer and a first photoresist layer is processed over the chemical-mechanical polishing stop layer. The chemical-mechanical polishing stop layer and the semiconductor wafer are patterned to form a shallow trench and a shallow trench isolation material is deposited on the chemical-mechanical polishing stop layer and in the shallow trench. A second photoresist layer is processed over the shallow trench isolation material leaving the shallow trench uncovered. The uncovered shallow trench is then treated to become a chemical-mechanical polishing stop area. The shallow trench isolation material is then chemical-mechanical polished to be co-planar with the chemical-mechanical stop layer and the chemical-mechanical polishing stop treated area.
    • 提供了具有半导体晶片的集成电路的制造方法。 化学机械抛光停止层沉积在半导体晶片上,并且在化学机械抛光停止层上处理第一光致抗蚀剂层。 化学机械抛光停止层和半导体晶片被图案化以形成浅沟槽,浅沟槽隔离材料沉积在化学机械抛光停止层和浅沟槽中。 在浅沟槽隔离材料上处理第二光致抗蚀剂层,留下未覆盖的浅沟槽。 然后将未覆盖的浅沟槽处理成为化学机械抛光停止区域。 然后将浅沟槽隔离材料进行化学机械抛光以与化学 - 机械停止层和化学 - 机械抛光停止处理区共面。
    • 8. 发明授权
    • Method of making memory wordline hard mask extension
    • 制作内存字线硬掩模扩展的方法
    • US06479348B1
    • 2002-11-12
    • US10109516
    • 2002-08-27
    • Tazrien KamalMinh Van NgoMark T. RamsbeyJeffrey ShieldsJean Y. YangEmmanuil LingunisHidehiko ShiraiwaAngela T. Hui
    • Tazrien KamalMinh Van NgoMark T. RamsbeyJeffrey ShieldsJean Y. YangEmmanuil LingunisHidehiko ShiraiwaAngela T. Hui
    • H01L218247
    • H01L27/11568H01L27/115
    • A manufacturing method is provided for an integrated circuit memory with closely spaced wordlines formed by using hard mask extensions. A charge-trapping dielectric material is deposited over a semiconductor substrate and first and second bitlines are formed therein. A wordline material and a hard mask material are deposited over the wordline material. A photoresist material is deposited over the hard mask material and is processed to form a patterned photoresist material. The hard mask material is processed using the patterned photoresist material to form a patterned hard mask material. The patterned photoresist is then removed. A hard mask extension material is deposited over the wordline material and is processed to form a hard mask extension. The wordline material is processed using the patterned hard mask material and the hard mask extension to form a wordline, and the patterned hard mask material and the hard mask extension are then removed.
    • 提供了一种用于通过使用硬掩模延伸部形成的具有紧密间隔的字线的集成电路存储器的制造方法。 在半导体衬底上沉积电荷俘获电介质材料,并在其中形成第一和第二位线。 字线材料和硬掩模材料沉积在字线材料上。 光致抗蚀剂材料沉积在硬掩模材料上并被处理以形成图案化的光致抗蚀剂材料。 使用图案化的光致抗蚀剂材料处理硬掩模材料以形成图案化的硬掩模材料。 然后去除图案化的光致抗蚀剂。 硬掩模延伸材料沉积在字线材料上并被处理以形成硬掩模延伸部。 使用图案化的硬掩模材料和硬掩模延伸部来处理字线材料以形成字线,然后去除图案化的硬掩模材料和硬掩模延伸部。
    • 10. 发明授权
    • Flash memory with controlled wordline width
    • 具有受控字线宽度的闪存
    • US06653190B1
    • 2003-11-25
    • US10023436
    • 2001-12-15
    • Jean Y. YangKouros GhandehariTazrien KamalMinh Van NgoMark T. RamsbeyDawn M. HopperAngela T. HuiScott A. Bell
    • Jean Y. YangKouros GhandehariTazrien KamalMinh Van NgoMark T. RamsbeyDawn M. HopperAngela T. HuiScott A. Bell
    • H01L21336
    • H01L27/11568H01L27/115
    • A method of manufacturing for a MirrorBit® Flash memory includes depositing a charge-trapping material over a semiconductor substrate and implanting first and second bitlines in the semiconductor substrate. A wordline material is deposited over the charge-trapping dielectric material and a hard mask material deposited thereon. An anti-reflective coating (ARC) material is deposited on the hard mask material and a photoresist material is deposited on the ARC followed by processing the photoresist material and the ARC material to form a photomask of a patterned photoresist and a patterned ARC. The hard mask material is processed using the photomask to form a hard mask. The patterned photoresist is removed and then the patterned ARC without damaging the hard mask or the wordline material. The wordline material is processed using the hard mask to form a wordline and the hard mask is removed without damaging the wordline or the charge-trapping material.
    • 用于MirrorBit(闪存)闪存的制造方法包括在半导体衬底上沉积电荷捕获材料并在半导体衬底中注入第一和第二位线。 字线材料沉积在电荷俘获电介质材料上并沉积在其上的硬掩模材料。 将抗反射涂层(ARC)材料沉积在硬掩模材料上,并且将光致抗蚀剂材料沉积在ARC上,随后处理光致抗蚀剂材料和ARC材料以形成图案化光致抗蚀剂和图案化ARC的光掩模。 使用光掩模处理硬掩模材料以形成硬掩模。 去除图案化的光致抗蚀剂,然后去除图案化的ARC,而不损坏硬掩模或字线材料。 使用硬掩模处理字线材料以形成字线,并且去除硬掩模而不损坏字线或电荷捕获材料。