Damascene method for forming write coils of magnet

更新时间:2023-05-15 04:41:02 阅读: 评论:0

专利名称:Damascene method for forming write coils
of magnetic heads
发明人:Donald Giles Allen,Richard Jule
Contreras,Michael Feldbaum,Murali
Ramasubramanian
釜底抽薪的近义词申请号:US10735112
申请日:20031212
难堪公开号:US20050125990A1
公开日:
淀粉跟生粉的区别
20050616
专利内容由知识产权出版社提供
伞的英文单词
因粮于敌>11月新规专利附图:
摘要:An improved damascene method of forming a write coil of a magnetic head
includes forming a hard mask layer over an insulator layer; forming a photoresist layer over the hard mask layer; performing an image patterning process to produce a write coil pattern in the photoresist layer; etching to remove portions of the hard mask layer in accordance with the write coil pattern; etching to remove portions of the insulator layer in accordance with the write coil pattern; etching to remove the remaining portion of the etched hard mask layer; electroplating a material comprising copper (Cu) within the etched portion of the insulator material; and performing a chemical-mechanical polishing (CMP) process over the resulting structure. By removing the remainder of the hard mask material before the CMP, the quality of the CMP is improved. Although any suitable hard mask material may be utilized, if the insulator layer is a hard-baked resist then TaOhaving a relatively high lectivity, low brittleness, and improved adhesion is preferred as the hard mask material.
申请人:Donald Giles Allen,Richard Jule Contreras,Michael Feldbaum,Murali Ramasubramanian
地址:Morgan Hill CA US,San Jo CA US,San Jo CA US,San Jo CA US
国籍:US,US,US,US什么是工商管理
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