Invention Application
- Patent Title: MULTI-PASS PLATING PROCESS WITH INTERMEDIATE RINSE AND DRY
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Application No.: US16236735Application Date: 2018-12-31
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Publication No.: US20200211898A1Publication Date: 2020-07-02
- Inventor: Peter John Holverson , Sudtida Lavangkul
- Applicant: Texas Instruments Incorporated
- Applicant Address: US TX Dallas
- Assignee: Texas Instruments Incorporated
- Current Assignee: Texas Instruments Incorporated
- Current Assignee Address: US TX Dallas
- Main IPC: H01L21/768
- IPC: H01L21/768 ; H01L23/532

Abstract:
A method includes electroplate depositing a first metal layer to a first thickness on a metal seed layer, rinsing the first metal layer with deionized water, and after the first rinse process, drying the wafer. The method also includes performing one or more additional electroplating processes that respectively deposit an additional metal layer to a second thickness over the first metal layer, performing an additional rinse process that rinses the additional metal layer with deionized water, and performing an additional drying processes that dries the wafer.
Public/Granted literature
- US11081390B2 Multi-pass plating process with intermediate rinse and dry Public/Granted day:2021-08-03
Information query
IPC分类: