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    • 85. 发明授权
    • Nitride film wet stripping
    • 氮化膜湿剥
    • US08105851B1
    • 2012-01-31
    • US12889167
    • 2010-09-23
    • Shao-Yen KuChung-Ru YangChi-Ming Yang
    • Shao-Yen KuChung-Ru YangChi-Ming Yang
    • H01L21/66
    • H01L21/31111H01L21/6708H01L21/67253
    • Provided is a method of removing a nitride material from a semiconductor wafer. The method includes monitoring a silicon concentration level in a chemical solution. The chemical solution may include a phosphoric acid. The method includes adjusting the silicon concentration level in response to the monitoring. The method includes heating the chemical solution. The method includes applying the heated chemical solution to a wafer surface in a manner so that a temperature of the heated chemical solution is within a predefined temperature range throughout the wafer surface. The method includes etching a nitride material of the wafer using the heated chemical solution.
    • 提供从半导体晶片去除氮化物材料的方法。 该方法包括监测化学溶液中的硅浓度水平。 化学溶液可以包括磷酸。 该方法包括响应于监测调整硅浓度水平。 该方法包括加热化学溶液。 该方法包括将加热的化学溶液以使得加热的化学溶液的温度在整个晶片表面的预定温度范围内的方式施加到晶片表面。 该方法包括使用加热的化学溶液蚀刻晶片的氮化物材料。
    • 90. 发明授权
    • High voltage transformer for controlling inductance leakage
    • 用于控制电感泄漏的高压变压器
    • US07301430B1
    • 2007-11-27
    • US11434159
    • 2006-05-16
    • Chun-Kong ChanJeng-Shong WangJin-Jiun JiangChi-Ming Yang
    • Chun-Kong ChanJeng-Shong WangJin-Jiun JiangChi-Ming Yang
    • H01F5/00
    • H01F38/10
    • A high voltage transformer for controlling inductance leakage used for a multiple lamp driving system includes at least one wire frame, a first winding, a second winding, a first magnetic unit, and a second magnetic unit. There is a receiving space in the wire frame for receiving the first magnetic unit, and a first region and a second region is formed on its surface. The first winding and the second winding are individually wound at the first region and the second region. The second magnetic unit is covered on the side of the wire frame. On an appropriate location of the bottom of the second magnetic unit, a transverse beam extends. Thereby, the transverse beam fully separates the low voltage magnetic flux path produced on the first magnetic unit by the first winding and the second winding and the high voltage magnetic flux path produced by the AC.
    • 用于控制用于多灯驱动系统的电感泄漏的高压变压器包括至少一个线架,第一绕组,第二绕组,第一磁单元和第二磁单元。 在线框架中具有用于接收第一磁性单元的接收空间,并且在其表面上形成第一区域和第二区域。 第一绕组和第二绕组在第一区域和第二区域单独地卷绕。 第二磁性单元被覆盖在线框架的侧面上。 在第二磁性单元的底部的适当位置,横梁延伸。 由此,横梁通过第一绕组和第二绕组以及由AC产生的高压磁通路完全分离在第一磁性单元上产生的低压磁通路径。