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etchant

   Also found in: Wikipedia 0.01 sec.
etchant [ˈɛtʃənt]
n
(Clothing, Personal Arts & Crafts / Crafts) any acid or corrosive used for etching


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Next, they removed the exposed silicon with etchant, undercut the remaining silicon foil with acid, and released the foil from the wafer.
PoP capability also comes into its own in the selective etching cell structuring technique, whereby an etchant is screen-printed onto the cell's surface in a grid pattern identical to that of the conductor grid.
The patterned polymer films act as local protective barriers during the subsequent etching process where the etchant reacts with the exposed silicon wafer.
 
 
 
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