Patent ID: 9040383
Filing Date: 2015-05-26
Classification: H01L

Abstract:
1. A method, comprising: forming a plurality of isolation structures in pad films and an underlying substrate; forming a plurality of fins comprising the isolation structures and a second plurality of fins comprising two pad films and a portion of the underlying substrate, each of which are separated by a trench; removing portions of the second plurality of fins resulting in a height lower than a height of the plurality of fins comprising the isolation structures; forming gate electrodes within each trench, burying the second plurality of fins and abutting sides of the plurality of fins comprising the isolation structures; and etching a portion of one of the gate electrodes, at a location between two of the fins comprising the isolation structures and over the second plurality of fins, such that an upper surface of the one of the gate electrodes is lower than the two of the fins comprising the isolation structures and higher than the second plurality of fins, wherein the plurality of fins comprising the isolation structures electrically and physically isolate adjacent gate electrode of the gate electrodes.