Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD AND SYSTEM FOR WET PROCESSING
Document Type and Number:
Japanese Patent JP3296428
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide method and system for WET processing to which a quick drainage rinse method exhibiting high rinse effect in a short time is applied.
SOLUTION: The WET processing system comprises a water supply nozzle 10 for supplying film-like cleaning water to the wall surface of a bath facing the wafer surface at the time of quick drainage, a pure water recovery block 12 for recovering the cleaning water supplied to the tank wall in synchronism with the liquid level at the time of quick drainage, a water supply valve 17 for supplying pure water to overflow upon finishing quick drainage, and an outermost bath 1 containing a rinse bath 2 and receiving and discharging pure water flowing over the rinse bath 2. Particles adhering to the bath wall 13 and removed therefrom by a wave generated at the time of quick drainage are prevented from adhering to the wafer.


Inventors:
Hidehiko Kawaguchi
Application Number:
JP18206099A
Publication Date:
July 02, 2002
Filing Date:
June 28, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NEC
International Classes:
B08B3/04; F26B5/00; H01L21/304; (IPC1-7): H01L21/304; B08B3/04
Domestic Patent References:
JP1050654A
JP2000334401A
JP5783036A
JP61179742U
Attorney, Agent or Firm:
Nobuyuki Kaneda (2 others)