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    • 82. 发明公开
    • System and method for automated positioning of a substrate in a processing chamber
    • 系统和Verfahrenfürautomatische定位在einem Prozessraum的底层。
    • EP0597637A1
    • 1994-05-18
    • EP93308849.4
    • 1993-11-05
    • APPLIED MATERIALS, INC.
    • Shmookler, SimonWeinberg, Andrew G.McGrath, Martin J.
    • H01L21/00
    • H01L21/67259G05B2219/36405G05B2219/37283G05B2219/37608G05B2219/45031G05B2219/49299G05B2219/50151H01L21/681
    • The disclosure relates to a processing apparatus having a central transfer chamber (2); a plurality of peripheral chambers (3a, 3b) positioned around the periphery of said central transfer chamber; and a micro-processor controlled wafer transfer robot (4) disposed in said transfer chamber and having a wafer support (4a) for loading, moving and unloading wafer to and from said peripheral chambers. The wafer support is moved within said central transfer chamber generally along an arcuate path between the peripheral chambers. Reference signals are generated indicative of the position of a wafer support reference point (4c) by a sensor array (6, 8) having at least two sensors mounted along an axis generally transverse to the arcuate path which are triggered by the leading and trailing edges of the moving wafer as it passes to develop corresponding wafer position signals from which a wafer position reference point can be determined. The micro-processor (12) receiving wafer support reference signals and wafer position signals, calculates the location of the wafer relative to the wafer support, and controls movement of the the wafer support to a corresponding offset position relative to a preselected location (65a, 65b) in a peripheral chamber so as to position the wafer accurately at the preselected location in one of the peripheral chambers (3a, 3b).
    • 本公开涉及一种具有中央传送室(2)的处理设备; 位于所述中央传送室的周围的多个周边室(3a,3b); 以及设置在所述传送室中的微处理器控制的晶片传送机器人(4),并且具有用于将晶片装载到所述外围室中并从所述外围室移出和移出晶片支撑件(4a)。 晶片支撑件通常沿着周边室之间的弧形路径在所述中央传送室内移动。 通过传感器阵列(6,8)产生指示晶片支撑参考点(4c)的位置的参考信号,传感器阵列(6,8)具有沿着大致横向于弧形路径的轴线安装的至少两个传感器,传感器阵列由前缘和后缘 移动的晶片通过以形成相应的晶片位置信号,从晶片位置信号可以确定晶片位置参考点。 接收晶片支撑参考信号和晶片位置信号的微处理器(12)计算晶片相对于晶片支撑件的位置,并且控制晶片支撑件相对于预选位置(65a, 65b),以便将晶​​片准确地定位在一个外围室(3a,3b)中的预选位置。
    • 87. 发明公开
    • Quantitative assessment of the geometrical distortion suffered by the profile of a semiconductor wafer
    • 引起的半导体晶片的轮廓的几何偏差的定量评价。
    • EP0434643A2
    • 1991-06-26
    • EP90830599.8
    • 1990-12-18
    • SGS-THOMSON MICROELECTRONICS S.r.l.
    • Barlocchi, GabrieleGhironi, Fabrizio
    • H01L21/66G01B5/28G01B5/30
    • H01L21/681G01B7/28H01L22/12
    • A method for the quantitative assessment of the degree of geometrical deformation undergone by a surface profile of a wafer following the formation of a conformal surface layer employs a simple mechanical profilometer, whose stylus is run over a target morphological detail comprising at least two mutually parallel ridges or reliefs which rise above the plane of the surface of the wafer for a height of between 0.1 and 0.5 µm, and which enclose between them a depression of a width of between 2 and 4 µm, in order to determine the elevation of the bottom of the valley between the two ridges relative to the plane of the surface of the wafer from which the ridges rise following the formation of one or more similar surface layers. The vertical measurement of the elevation undergone by the bottom of the valley in itself represents a quantitative index of the vertical and horizontal geometrical deformation undergone by the details of the surface profile of the wafer. In order to determine characteristics of automatic alignability by a particular apparatus employing said target details for automatic alignment, it is possible to establish a maximum value for said distortion index, determined as above, above which the automatic alignment capability is lost.
    • 一种用于通过一个晶片接着一个共形的表面层的形成的表面轮廓经历几何变形的程度的定量评价方法采用一个简单的机械轮廓仪,运行在目标形态细节,其包括至少两个相互平行的脊部谁的触针 或浮雕哪个上升晶片为0.1和0.5之间微米的高度的表面的平面的上方,并且在它们之间包围的2和4微米之间的宽度的凹陷,以确定性矿的仰角 相对于从中脊上升继一个或多个类似的表面层形成在晶片的表面的平面中的两个脊之间的谷的底部。 通过在本身谷底经受的标高的垂直测量darstellt由晶片的表面轮廓的细节经受的垂直和水平的几何变形的定量指标。 为了由特定装置采用用于自动对准所述目标的信息自动对准能力确定性矿的特性,有可能建立如上开采上述失真指数的,确定性的最大值,高于该自动对准能力丧失。
    • 90. 发明公开
    • Apparatus and method for inspecting defect of mounted component with slit light
    • 装置和用于在固定部件的缺陷检查,使用狭缝光方法。
    • EP0312046A2
    • 1989-04-19
    • EP88117015.3
    • 1988-10-13
    • HITACHI, LTD.
    • Takagi, Yuji 211 Hachimanyama-apartmentKatsuta, DaisukeHata, Seiji
    • G01N21/88G01B11/02G01R31/28G06F15/70
    • H05K13/08G01R31/2806G01R31/308G01R31/309H01L21/681
    • Light projectors for slit lights are so arranged that at least two slit lines (72) developed by projecting the slit lights on a chip component (9) or the like obliquely thereto intersect each other, and the slit lines (72) are imaged from above the component (9) or the like by TV cameras (1) so as to extend horizontally in the corresponding images. The shapes of the slit lines (72) in the images are analyzed by an image processor (8, 53, 71), to detect the state change of the chip component (9) or the like, such as the misplacement thereof. Further, if necessary, in order to enhance the contrast of the pattern of the slit line (72), the slit light is projected by a stroboscopic lamp (52) within the exposure time of the Tv camera (1), for a short time interval which is not longer than the exposure time.
    • 用于狭缝灯的光投影仪被布置并通过投影上的芯片部件(9)或类似物倾斜地相交海誓山盟,并且切割线(72)的狭缝灯开发至少两个切割线(72)从上面成像 由电视摄像机的部件(9)或类似物(1),以便在相应的图像水平地延伸。 在图像中的切割线(72)的形状由图像处理器(8,53,71)进行分析,以检测所述芯片部件的状态变化(9)或类似物,:诸如其错位。 另外,如果需要,为了提高切割线(72)的图案的对比度,狭缝光被由TV摄像机(1)的曝光时间内的频闪灯(52)伸出,在短时间内 间隔所有这一切并不比曝光时间更长。