| http://www.w3.org/ns/prov#value | - The under bump metal (UBM) structure 208 is composed of chromium, titanium, titanium-tungsten alloys, copper, or other alloys of chromium, titanium, tungsten and copper. [0026] With reference to FIG. 7, a thermosetting plastic 212 is formed on the active surface 202 a, and covering the leaded bumps 210.
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