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Magnetic write head manufactured by damascene process producing a tapered write pole with a non-magnetic step and non-magnetic bump
Magnetic write head manufactured by damascene process producing a tapered write pole with a non-magnetic step and non-magnetic bump
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机译:通过镶嵌工艺制造的磁写头产生带有无磁台阶和无磁凸点的锥形写极
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摘要
A method for manufacturing a magnetic write head having a non-magnetic step layer, non-magnetic bump at the front of the non-magnetic step layer and a write pole with a tapered trailing edge. The tapered portion of the trailing edge of the write pole is formed by a two step process that allows the write pole taper to be formed with greater accuracy and repeatability than would be possible using a single step taper process. An alternative method is also described on how to make a non-magnetic bump structure with adjustable bump throat height prior to Damascene side shield gap formation in a Damascene wrap around shield head.
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