VAPOR CLEAN FOR HAZE AND PARTICLE REMOVAL FROM LITHOGRAPHIC PHOTOMASKS

A reticle is cleaned by vapor condensing on the active surface of the reticle. An embodiment includes positioning the reticle in a cleaning chamber having a bottom surface, with the active surface of the reticle facing the bottom surface of the cleaning chamber, and directing vapor at the active sur...

Full description

Saved in:
Bibliographic Details
Main Author HOTZEL ARTHUR
Format Patent
LanguageEnglish
Published 07.06.2012
Subjects
APPARATUS SPECIALLY ADAPTED THEREFOR
CINEMATOGRAPHY
CLEANING
CLEANING IN GENERAL
ELECTROGRAPHY
HOLOGRAPHY
MATERIALS THEREFOR
ORIGINALS THEREFOR
PERFORMING OPERATIONS
PHOTOGRAPHY
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES
PHYSICS
PREVENTION OF FOULING IN GENERAL
TRANSPORTING
Online AccessGet full text

Cover

More Information
Summary:A reticle is cleaned by vapor condensing on the active surface of the reticle. An embodiment includes positioning the reticle in a cleaning chamber having a bottom surface, with the active surface of the reticle facing the bottom surface of the cleaning chamber, and directing vapor at the active surface of the reticle. Embodiments further include filling a reservoir in a bottom portion of the cleaning chamber with liquid and directing vapor by heating the liquid. Embodiments further include cooling the reticle concurrently with heating the liquid. Embodiments further include rotating the reticle concurrently with heating the liquid and cooling the reticle. Embodiments further include emptying the reservoir and dry spinning the reticle, subsequent to cleaning the reticle.
Bibliography:Application Number: US20100958685