US Patent 7633712 Method to print photoresist lines with negative sidewalls
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Patent Inventor Names
Chao-Peng Chen0
Jei-Wei Chang0
Xiaohong Yang0
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Patent abstract
A write pole for vertical magnetic recording is described. It includes a trapezoidal prism of high magnetic moment material, having inwardly sloping sidewalls. Its parallel surfaces are between about 0.1 and 0.3 microns apart and the sidewalls slope in the range of 15.5 to 60 degrees relative to vertical.
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US Patent 07633712 Method to print photoresist lines with negative sidewalls US Patent 7633712 Method to print photoresist lines with negative sidewalls
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Patent Number
076337120
Patent Number
76337120
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Patent Jurisdiction
Patent Number
076337120
Date of Patent
December 15, 2009
0Patent Application Number
120822560
Date Filed
April 10, 2008
0Official Website
Patent Primary Examiner
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US Patent 07633712 Method to print photoresist lines with negative sidewalls
Infobox
Is a
Patent jurisdiction
Patent number
07633712
Date of patent
December 15, 2009
Patent application number
12082256
Date Filed
April 10, 2008
Patent primary examiner
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