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Class Information
Number: 257/768
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Combined with electrical contact or lead > Of specified material other than unalloyed aluminum > Refractory or platinum group metal or alloy or silicide thereof
Description: Subject matter wherein the specified contact or lead material is a refractory metal or a platinum group metal, i.e., a metal found in groups IVA, VA, VIA or VIIIA (other than iron (Fe), nickel (Ni) or cobalt (Co)) of the periodic table of the elements or a silicide (i.e., a binary compound of silicon), usually with a more electropositive element or radical, thereof.
Sub-classes under this class:
Patents under this class:
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