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Method for manufacturing a magnetic write head having a write pole with a trailing edge taper using a Rieable hard mask
Method for manufacturing a magnetic write head having a write pole with a trailing edge taper using a Rieable hard mask
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机译:使用可剥离硬掩模制造具有带有后缘锥度的写极的磁写头的方法
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摘要
A method for manufacturing a magnetic write head having a write pole with a tapered, stepped trailing edge. The method includes depositing a magnetic write pole material over a substrate, and then forming a magnetic step structure over the magnetic write pole material. A mask structure is then formed, which includes a multilayer hard mask formed over the magnetic write pole material and the magnetic step structure. An ion milling process is then performed to remove a portion of the write pole material to define a write pole. A non-magnetic material can be deposited and ion milling performed to form non-magnetic side gap layer at the sides of the write pole. A multi-step reactive ion milling process can then be performed to remove the remaining hard mask from over the write pole.
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