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    • 1. 发明授权
    • Method to improve passivation openings by reflow of photoresist to eliminate tape residue
    • 通过光刻胶回流来改善钝化开口以消除胶带残留的方法
    • US06878642B1
    • 2005-04-12
    • US09679514
    • 2000-10-06
    • Hung-Jen HsuYu-Kung HsiaoChih-Kung ChangSheng-Liang PanKuo-Liang Lu
    • Hung-Jen HsuYu-Kung HsiaoChih-Kung ChangSheng-Liang PanKuo-Liang Lu
    • H01L21/311H01L21/31
    • H01L21/31116H01L23/3171H01L2224/11472
    • A new method to form passivation openings in the manufacture of an integrated circuit device is achieved. The passivation openings have gradually sloping sidewalls that allow a protective tape to be completely removed without leaving adhesive residue. A semiconductor substrate is provided. A passivation layer is deposited. An organic photoresist layer is deposited overlying the passivation layer. The organic photoresist layer is patterned to expose the passivation layer in areas where passivation openings are planned. The organic photoresist layer is reflowed to create gradually sloping sidewalls on the organic photoresist layer. The passivation layer is etched through to from the passivation openings. The passivation openings are thereby formed with gradually sloping sidewalls. The organic photoresist layer is stripped away. A protective tape is applied overlying the passivation layer and the passivation openings. The protective tape is removed. The gradually sloping sidewalls on the passivation openings allow the protective tape to be completely removed without leaving adhesive residue in the manufacture of the integrated circuit device.
    • 实现了在制造集成电路器件中形成钝化开口的新方法。 钝化开口具有逐渐倾斜的侧壁,其允许完全去除保护带而不留下粘合剂残留物。 提供半导体衬底。 沉积钝化层。 沉积在钝化层上的有机光致抗蚀剂层。 有机光致抗蚀剂层被图案化以在钝化开口被计划的区域中露出钝化层。 有机光致抗蚀剂层被回流以在有机光致抗蚀剂层上产生逐渐倾斜的侧壁。 从钝化开口蚀刻钝化层。 因此钝化开口由逐渐倾斜的侧壁形成。 剥离有机光致抗蚀剂层。 施加保护带覆盖钝化层和钝化开口。 取下保护胶带。 钝化开口上逐渐倾斜的侧壁允许保护带被完全去除,而不会在集成电路器件的制造中留下残留粘合剂。
    • 2. 发明授权
    • Material to improve image sensor yield during wafer sawing
    • 材料可以提高晶圆锯切时的图像传感器产量
    • US07071032B2
    • 2006-07-04
    • US10431275
    • 2003-05-07
    • Hung-Jen HsuYu-Kung HsiaoChih-Kung ChangSheng-Liang PanFu-Tien Weng
    • Hung-Jen HsuYu-Kung HsiaoChih-Kung ChangSheng-Liang PanFu-Tien Weng
    • H01L21/44H01L21/48H01L21/50
    • H01L21/6836H01L21/78H01L27/14683H01L2221/68327
    • A new method is provided of treating the wafer prior to the process of singulating the wafer into individual die. A first surface of the wafer over which CMOS image sensor devices have been created is coated with a layer of material that is non-soluble in water. The wafer is attached to a tape by bringing a second surface of the wafer in contact with the tape. The wafer is singulated by approaching the first surface of the wafer and by sawing first through the layer of material that has been coated over the first surface of the wafer and by then sawing through the wafer, stopping at the surface of the tape. A thorough water rinse is applied to the surface of the singulated wafer, followed by a wafer clean applying specific chemicals for this purpose. The singulated die is now removed from the tape and further processed by applying steps of die mount, wire bonding, surrounding the die in a mold compound and marking the package.
    • 提供了一种新的方法,在将晶片分离成单独的芯片的过程之前处理晶片。 已经在其上形成CMOS图像传感器装置的晶片的第一表面涂覆有不溶于水的材料层。 通过使晶片的第二表面与带接触而将晶片附接到带。 通过接近晶片的第一表面并通过首先穿过已经涂覆在晶片的第一表面上的材料层,然后通过晶片锯切,停止在带的表面,将晶片分离。 将彻底的水冲洗施加到单片晶片的表面,接着进行晶片清洁以应用特定的化学品用于此目的。 单片模具现在从胶带中取出并通过将模具安装,引线接合,将模具包围在模具化合物中并标记包装件的步骤进一步处理。
    • 8. 发明授权
    • High efficiency color filter process to improve color balance in semiconductor array imaging devices
    • 高效率的彩色滤光片工艺可以改善半导体阵列成像装置的色彩平衡
    • US06395576B1
    • 2002-05-28
    • US09593537
    • 2000-06-14
    • Chih-Kung ChangYu-Kung HsiaoSheng-Liang PanBii-Junq Chang
    • Chih-Kung ChangYu-Kung HsiaoSheng-Liang PanBii-Junq Chang
    • H01L2100
    • H01L27/14609H01L27/14621H01L27/14623H01L27/14627
    • Formation of integrated color filters for gain-ratio balanced semiconductor array imagers using a spectrophotometric feedback control loop to adjust layer thickness during the deposition process is disclosed. The fabrication sequence of G/R/B conventionally used in Prior Art has been changed to B/R/G or B/G/R to enable the process to adapt to yielding specified color gain-ratio values without the need for integrated circuit redesign. A high efficiency color filter process is demonstrated wherein the additional neutral-density attenuator layers and/or spacer layers required in Prior Art fabrication methods are eliminated. The disclosed process is shown to enable high-precision thickness control of the color filter layers. Blue coating lift-off problems and the steric effect associated with successive depositions of color layers having step-height variations are eliminated. Statistical process control (SPC) is optimized by calibration of the color balance gain-ratio using the product photodiode arrays and amplifier integrated circuits with a real-time spectrophotometric feedback control-loop during the dye or pigment layer deposition process.
    • 公开了用于增益比平衡的半导体阵列成像器的集成滤色器的形成,其使用分光光度反馈控制环来在沉积过程中调节层厚度。 现有技术中常规使用的G / R / B的制造顺序已经改变为B / R / G或B / G / R,以使该工艺适应于产生指定的颜色增益比值,而不需要集成电路重新设计 。 证明了高效率滤色器工艺,其中消除了现有技术制造方法中所需的附加中性密度衰减器层和/或间隔层​​。 所公开的过程被示出为使得能够对滤色器层进行高精度的厚度控制。 消除蓝色涂层剥离问题和与具有阶跃高度变化的彩色层的连续沉积相关的空间效应。 通过使用产品光电二极管阵列和放大器集成电路通过在染料或颜料层沉积过程中具有实时分光光度反馈控制环来校准色平衡增益比来优化统计过程控制(SPC)。