Patent ID: 9484306
Filing Date: 2016-11-01
CPC Classification: H01L

Claim Text:
1. A semiconductor device, comprising: a source and a drain formed in a substrate; a first gate and a second gate disposed on the source, and the second gate and a third gate disposed on the drain; a source contact formed over the source and between the first gate and the second gate, the source contact comprising a first portion and a second portion, the first portion being in contact with the source and extending between the first gate and second gate, and the second portion contacting the first portion and extending over the first gate and the second gate; and a drain contact formed over the drain and between the second gate and the third gate, the drain contact comprising a first portion and a second portion, the first portion positioned in contact with the drain, extending between the second gate and the third gate, and recessed with respect to the first portion of the source contact such that the first portion of the source contact has a thickness that is greater than a thickness of the first portion of the drain contact, the second portion positioned in contact with the first portion and extending between and over the second gate and the third gate, and the second portion of the source contact has a thickness than is smaller than the second portion of the drain contact.