公开(公告)号：US20250054753A1

公开(公告)日：2025-02-13

申请号：US18795432

申请日：2024-08-06

Applicant: ASM IP Holding B.V.

Inventor： KiHun Kim ,  SangHeon Yong ,  Sungha Choi ,  JuHyuk Park ,  Jihye Yang ,  Jaewoo Jeong ,  Shinya Yoshimoto ,  Makoto Igarashi

IPC: H01L21/02 ,  C23C16/34 ,  C23C16/505 ,  C23C16/56

Abstract: Provided is a method of filling a gap with a flowable oxide film. In one embodiment of the disclosure, the method comprises forming a flowable silicon nitride film, followed by converting the silicon nitride film in a silicon oxide film. The silicon nitride film may be formed by supplying an oligomeric silicon source and a nitrogen source activated by a power. The silicon nitride film may be converted into the silicon oxide film by supplying an oxygen source while applying a vacuum UV radiation. The vacuum UV radiation may be applied in a pulsed mode.