Invention Grant
- Patent Title: Cleaning solution and damascene process using the same
- Patent Title (中): 清洗液和镶嵌工艺使用相同
-
Application No.: US13848068Application Date: 2013-03-21
-
Publication No.: US08877640B2Publication Date: 2014-11-04
- Inventor: An-Chi Liu , Tien-Cheng Lan , Kuei-Hsuan Yu
- Applicant: United Microelectronics Corporation
- Applicant Address: TW Hsinchu
- Assignee: United Microelectronics Corporation
- Current Assignee: United Microelectronics Corporation
- Current Assignee Address: TW Hsinchu
- Agent Ding Yu Tan
- Main IPC: H01L21/44
- IPC: H01L21/44 ; C11D3/34 ; C11D7/34 ; C11D3/395 ; C11D1/37 ; C11D7/32 ; C11D3/28 ; C11D3/39 ; C11D7/50 ; C11D7/26 ; C11D3/43 ; H01L21/02 ; C11D11/00 ; C11D3/04 ; H01L21/768 ; C11D3/20 ; C11D3/30

Abstract:
A cleaning solution is provided. The cleaning solution includes an aliphatic polycarboxylic acid, a chain sulfonic acid substantially less than 4 wt % and an amine containing buffer agent.
Public/Granted literature
- US20130217234A1 CLEANING SOLUTION AND DAMASCENE PROCESS USING THE SAME Public/Granted day:2013-08-22
Information query
IPC分类: