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Patent Searching and Data


Title:
WAFER POST-PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/123603
Kind Code:
A1
Abstract:
Disclosed in the present invention is a wafer post-processing device, comprising a driving mechanism, which vertically clamps a wafer and drives same to rotate; a supply arm, which swings on a side face of the wafer and supplies liquid to the surface of the wafer via a nozzle thereon; and a blocking ring, which is arranged on a periphery side of the driving mechanism to prevent the liquid from sputtering. A flow guide structure is provided at an edge of the blocking ring to prevent liquid at the edge of the blocking ring from accumulating and dripping.

Inventors:
CAO ZILI (CN)
LI CHANGKUN (CN)
LI DENG (CN)
ZHAO DEWEN (CN)
Application Number:
PCT/CN2022/074445
Publication Date:
July 06, 2023
Filing Date:
January 27, 2022
Export Citation:
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Assignee:
HWATSING TECH CO LTD (CN)
International Classes:
H01L21/76; B08B3/02; B24B37/34
Foreign References:
CN107731709A2018-02-23
CN112670207A2021-04-16
TW201539610A2015-10-16
CN104979238A2015-10-14
JP2015176996A2015-10-05
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