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    • 7. 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
    • 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。