公开(公告)号：US10304734B2

公开(公告)日：2019-05-28

申请号：US16046081

申请日：2018-07-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Woo Kyung You ,  Jong Min Baek ,  Sang Shin Jang ,  Byung Hee Kim ,  Vietha Nguyen ,  Nae In Lee ,  Woo Jin Lee ,  Eun Ji Jung ,  Kyu Hee Han

IPC: H01L21/00 ,  H01L21/768 ,  H01L23/528

Abstract: A semiconductor device includes a first insulating interlayer on a substrate, metal lines in the first insulating interlayer, a first air gap between the metal lines in a first region of the substrate and a second air gap between the first insulating interlayer and at least one of the metal lines in a second region of the substrate, a liner layer covering top surfaces and side walls of the metal lines and a top surface and a side wall of the first insulating interlayer, adjacent to the first and second air gaps, and a second insulating interlayer on the liner layer and contacting the liner layer.