Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – For liquid etchant
Reexamination Certificate
2006-03-21
2006-03-21
Hassanzadeh, Parviz (Department: 1763)
Adhesive bonding and miscellaneous chemical manufacture
Differential fluid etching apparatus
For liquid etchant
C134S113000
Reexamination Certificate
active
07014732
ABSTRACT:
Disclosed is an etching apparatus enabling to increase productivity of etching glass substrates. The present invention includes an etching bath having an etchant, a plurality of sensors inside the etching bath detecting a level of the etchant, and a deionized water tube spraying a deionized water to the sensors.
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English Translation of JP 61-247034 to Karita, translated by the McElroy Translation Company; Jul., 2005.
Arancibia Maureen G.
Hassanzadeh Parviz
LG.Philips LCD Co. , Ltd.
McKenna Long & Aldridge LLP
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