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    • 28. 发明授权
    • Method for manufacturing interpoly dielectric
    • 多聚电介质的制造方法
    • US07118968B2
    • 2006-10-10
    • US10919921
    • 2004-08-17
    • Jung-Yu Hsieh
    • Jung-Yu Hsieh
    • H01L21/8247
    • H01L29/7881H01L21/28273H01L29/513
    • Roughly described, a floating gate memory cell is fabricated by forming an oxide-nitride dielectric layer above a floating gate of the memory cell and in an oxide growth region not above a floating gate. The nitride layer is removed in the oxide growth region using a mask that protects the nitride layer above the floating gate, and then the bottom oxide layer is removed in the oxide growth region using a wet etch that does not affect the nitride remaining above the floating gate. First and second oxide layers are then formed both above the floating gate and in the oxide growth region, to act as the top layer of ONO above the floating gate and as the gate oxide in the oxide growth region. One of the first and second oxide layers is formed using in-situ steam generation.
    • 粗略地描述,通过在存储器单元的浮动栅极上方和不在浮动栅极上方的氧化物生长区域中形成氧化物 - 氮化物电介质层来制造浮动栅极存储单元。 在氧化物生长区域中使用保护氮化物层的掩模在氧化物生长区域中去除氮化物层,然后在氧化物生长区域中去除底部氧化物层,使用湿蚀刻,该蚀刻不会影响浮在浮动栅极上方的氮化物 门。 然后在浮置栅极上方和氧化物生长区域中形成第一和第二氧化物层,以在浮栅上方作为ONO的顶层,并且作为氧化物生长区域中的栅极氧化物。 第一和第二氧化物层中的一个是使用原位蒸汽产生形成的。
    • 29. 发明授权
    • Overlay mark for concurrently monitoring alignment accuracy, focus, leveling and astigmatism and method of application thereof
    • 叠加标记,用于同时监测对准精度,对焦,调平和散光及其应用方法
    • US06536130B1
    • 2003-03-25
    • US09998286
    • 2001-11-30
    • Te-Hung WuJung-Yu HsiehHsiu-Man Chang
    • Te-Hung WuJung-Yu HsiehHsiu-Man Chang
    • G01B1100
    • G03F7/70633G03F7/70641Y10S414/136
    • An overlay mark for concurrently monitoring alignment accuracy, focus, leveling and astigmatism and a method of application thereof are disclosed. The overlay mark comprises four inner bars and four outer bars formed at the corners of exposure areas. The inner bar has a sawtooth area and a bar-shaped area, and the outer bar is a fore-layer etched pattern. Both the inner bars and the outer bars are formed into rectangles, and each bar is one side of a rectangle and none of the sides are connected. The sawtooth areas of the inner bars disposed on opposite sides are located at a same position. The rectangle formed by the outer bars encloses the rectangle formed by the inner bars. During the monitoring process, a testing beam scans across a scan area being divided into two areas, i.e., one being the outer bars and the sawtooth area of the inner bars, and the other one being the outer bars and the bar-shaped area of the inner bars.
    • 公开了一种用于同时监视对准精度,对焦,调平和散光的重叠标记及其应用方法。 覆盖标记包括形成在曝光区域的角部的四个内部条和四个外部条。 内侧杆具有锯齿形区域和棒状区域,外侧杆是前层蚀刻图案。 内杆和外杆都形成矩形,并且每个杆是矩形的一侧,并且没有一个侧面连接。 设置在相对侧的内侧杆的锯齿区域位于相同位置。 由外杆形成的矩形包围由内条形成的矩形。 在监视过程中,测试光束扫描扫描区域被划分为两个区域,即一个是内部条的外部条和锯齿形区域,另一个是外部条和条形区域 内条。