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    • 4. 发明授权
    • Advanced process control of the manufacture of an oxide-nitride-oxide stack of a memory device, and system for accomplishing same
    • 存储器件的氧化物 - 氮化物 - 氧化物堆叠的制造的先进工艺控制和用于实现其的系统
    • US06953697B1
    • 2005-10-11
    • US10277357
    • 2002-10-22
    • Howard E. CastleRobert J. ChongBrian K. CussonEric O. Green
    • Howard E. CastleRobert J. ChongBrian K. CussonEric O. Green
    • H01L21/66H01L21/8247
    • H01L22/12Y10S438/954
    • The present invention is generally directed to an advanced process control of the manufacture of memory devices, and a system for accomplishing same. In one illustrative embodiment, the method comprises performing at least one process operation to form at least one layer of an oxide-nitride-oxide stack of a memory cell, the stack being comprised of a first layer of oxide positioned above a first layer of polysilicon, a layer of silicon nitride positioned above the first layer of oxide, and a second layer of oxide positioned above the layer of silicon nitride. The method further comprises measuring at least one characteristic of at least one of the first layer of polysilicon, the first oxide layer, the layer of silicon nitride, and the second layer of oxide and adjusting at least one parameter of at least one process operation used to form at least one of the first oxide layer, the layer of silicon nitride and the second oxide layer if the measured at least one characteristic is not within acceptable limits.
    • 本发明一般涉及存储器件的制造的高级过程控制和用于实现其的系统。 在一个说明性实施例中,该方法包括执行至少一个处理操作以形成存储器单元的氧化物 - 氮化物 - 氧化物堆叠的至少一层,所述堆叠由位于第一多晶硅层之上的第一层氧化物 位于第一氧化物层之上的氮化硅层和位于氮化硅层上方的第二层氧化物。 该方法还包括测量第一多晶硅层,第一氧化物层,氮化硅层和第二氧化物层中的至少一个的至少一个特征,并且调整使用的至少一个工艺操作的至少一个参数 如果所测量的至少一个特性不在可接受的限度内,则形成第一氧化物层,氮化硅层和第二氧化物层中的至少一个。
    • 5. 发明授权
    • Methods of processing substrates based upon substrate orientation
    • 基于基板取向处理基板的方法
    • US06778876B1
    • 2004-08-17
    • US10286586
    • 2002-11-01
    • Elfido Coss, Jr.Howard E. Castle
    • Elfido Coss, Jr.Howard E. Castle
    • G06F1900
    • H01L21/67288H01L21/67259H01L21/681Y10T29/49014
    • The present invention is generally directed to various methods of processing substrates based upon the substrate orientation. In one embodiment, the method comprises determining a defective die pattern of a process tool based upon an orientation of a semiconducting substrate in the tool during processing operations, positioning at least one subsequently processed semiconducting substrate in the process tool at an orientation selected to minimize defective die produced by the process tool, the selected orientation being based upon the determined defective die pattern of the process tool, and performing processing operations in the process tool on at least one subsequently processed substrate while at least one substrate is positioned in the process tool at the selected orientation. In another illustrative embodiment, the method comprises providing a plurality of semiconducting substrates to a processing tool, positioning each of the substrates within the tool at a selected orientation such that at least one electrical performance characteristic of at least one device formed on each of the substrates is optimized when a process operation is performed thereon in the process tool, and performing the processing operation on each of the substrates in the tool while each of the substrates is positioned at the selected orientation.
    • 本发明一般涉及基于衬底取向处理衬底的各种方法。 在一个实施例中,该方法包括基于处理操作期间工具中的半导体衬底的取向来确定工艺工具的有缺陷的芯片图案,将处理工具中的至少一个随后处理的半导体衬底以选择为使缺陷最小化的方向 由工艺工具生产的模具,所选择的取向基于所确定的处理工具的有缺陷的模具图案,并且在至少一个随后处理的基板上的处理工具中执行处理操作,同时至少一个基板位于处理工具中 所选方向。 在另一示例性实施例中,该方法包括向处理工具提供多个半导体衬底,将工件中的每个衬底以选定的取向定位,使得在每个衬底上形成至少一个器件的至少一个电性能特征 当在处理工具中对其进行处理操作时进行优化,并且在每个基板位于所选取​​向的同时对工具中的每个基板执行处理操作。