发明名称 |
Wet etching silicon oxide during the formation of a damascene pole and adjacent structure |
摘要 |
A magnetic head according to one embodiment includes a side gap layer comprising primarily silicon nitride, wherein outer sides of the side gap layer taper away from one another from a leading end of the side gap layer towards a trailing end of the side gap layer; a seed layer above the silicon nitride side gap layer; and a magnetic pole on the seed layer. A method for forming a magnetic head according to one embodiment includes etching a channel in a silicon oxide layer; forming a side gap layer comprising primarily silicon nitride in the channel; forming a seed layer above the side gap layer; plating a pole on the seed layer; and removing the silicon oxide layer by wet etching. Additional systems and methods are also presented. |
申请公布号 |
US8432637(B2) |
申请公布日期 |
2013.04.30 |
申请号 |
US20100943880 |
申请日期 |
2010.11.10 |
申请人 |
HGST NETHERLANDS B.V.;BONHOTE CHRISTIAN R.;PATEL KANAIYALAL C. |
发明人 |
BONHOTE CHRISTIAN R.;PATEL KANAIYALAL C. |
分类号 |
G11B5/127 |
主分类号 |
G11B5/127 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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