Cleaning and liquid contact with solids – Processes – With treating fluid motion
Patent
1998-09-03
2000-10-17
El-Arini, Zeinab
Cleaning and liquid contact with solids
Processes
With treating fluid motion
134 10, 134186, 134199, B08B 302, B08B 304
Patent
active
061325236
ABSTRACT:
A cleaning apparatus and method in accordance with the present invention includes a first inflow section, provided on a first side surface of a cleaning tank having a substantially rectangular parallelopiped shape, having two inflow openings, a second inflow section, provided on a second side surface facing the first side surface, having inflow openings, and outflow openings for releasing a cleaning liquid flown in from the first and second inflow sections. The cleaning liquid flowing in from the inflow openings forms complex and strong flows in the cleaning tank, thus removing contaminants on a cleaning target evenly and efficiently without nonuniformity and preventing stagnation of the cleaning liquid in the cleaning tank. The cleaning liquid released in filtered by a circulatory section and is allowed to flow into the cleaning tank again through a pipe. As a result, it is possible to clean evenly and efficiently a large cleaning target such as a glass substrate used for liquid crystal display devices and other devices.
REFERENCES:
patent: 5860361 (1999-01-01), Nanjyo et al.
patent: 5937878 (1999-08-01), Cheng
Hayashi Masatoshi
Matsushima Yasuhiro
Oketani Taimi
Okuda Tohru
El-Arini Zeinab
Sharp Kabushiki Kaisha
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