Patent ID: 11925013
Assignee: UNISANTIS ELECTRONICS SINGAPORE PTE. LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 3:
4. The memory device using a pillar-shaped semiconductor element, according to claim 1, wherein
in plan view, a first outer periphery edge of a portion of each of the first to fourth semiconductor pillars surrounded by the respective second gate insulating layers is on inner side of a second outer periphery edge of a portion of a corresponding one of the first to fourth semiconductor pillars surrounded by the respective first gate insulating layers, and
in plan view, a fourth length between the third gate conductor layers surrounding the first semiconductor pillar and the second semiconductor pillar and the respective fourth gate conductor layers surrounding the third semiconductor pillar and the fourth semiconductor pillar is larger than a fifth length between the first gate conductor layers surrounding the first semiconductor pillar and the third semiconductor pillar and the respective second gate conductor layers.