Invention Grant
- Patent Title: Method of using dual frequency RF power in a process chamber
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Application No.: US17035107Application Date: 2020-09-28
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Publication No.: US11721545B2Publication Date: 2023-08-08
- Inventor: Anup Kumar Singh , Rick Kustra , Vinayak Vishwanath Hassan , Bhaskar Kumar , Krishna Nittala , Pramit Manna , Kaushik Comandoor Alayavalli , Ganesh Balasubramanian
- Applicant: Applied Materials, Inc.
- Applicant Address: US CA Santa Clara
- Assignee: Applied Materials, Inc.
- Current Assignee: Applied Materials, Inc.
- Current Assignee Address: US CA Santa Clara
- Agency: Patterson + Sheridan, LLP
- Main IPC: H01L21/02
- IPC: H01L21/02 ; H01L21/033 ; H01J37/32 ; B08B7/00 ; C23C16/505 ; C23C16/26 ; C23C16/44

Abstract:
Embodiments of the present disclosure generally relate to methods of depositing carbon film layers greater than 3,000 Å in thickness over a substrate and surface of a lid of a chamber using dual frequency, top, sidewall and bottom sources. The method includes introducing a gas to a processing volume of a chamber. A first radiofrequency (RF) power is provided having a first frequency of about 40 MHz or greater to a lid of the chamber. A second RF power is provided having a second frequency to a bias electrode disposed in a substrate support within the processing volume. The second frequency is about 10 MHz to about 40 MHz. An additional third RF power is provided having lower frequency of about 400 kHz to about 2 MHz to the bias electrode.
Public/Granted literature
- US20220102141A1 METHOD OF USING DUAL FREQUENCY RF POWER IN A PROCESS CHAMBER Public/Granted day:2022-03-31
Information query
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