Enhanced Polymer Passivation Layer for Wafer Level Chip Scale ...
Enhanced Polymer Passivation Layer for Wafer Level Chip Scale ...
Enhanced Polymer Passivation Layer for Wafer Level Chip Scale ...
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Table 3.3 Test samples with various material <strong>for</strong>mulations<br />
Filler Size Nano silica 1 μm silica 5 μm silica<br />
Filler<br />
Loading (%<br />
by weight)<br />
15 30 60<br />
Solvent Cyclopentanone Butylacetate Acetone<br />
Viscosity low medium high<br />
Adhesion low medium high<br />
46