Substrate material for an hdd suspension
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United States of America Patent
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Issued Date -
Jul 5, 2007
app pub date -
Dec 28, 2004
filing date -
Jan 5, 2004
priority date (Note) -
Abandoned
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Abstract
There is provided a substrate material, for an HDD suspension, which has excellent adhesion between a stainless steel foil and an insulating resin layer and maintains high etching performance by preventing metal components in the stainless steel from diffusing into the insulating resin layer. The substrate material for an HDD suspension of the invention is a material obtained by shaping a stainless steel foil, wherein, on the surface of the stainless steel foil and on at least one side thereof, there are laminated, at least, a covering layer made chiefly of either one or both of a metal oxide and a metal hydroxide with chromium excluded as the metal species, and an insulating resin layer.
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