Method of producing nanostructures in membrances, and asymmetrical membrane

The invention relates to a method of producing nanostructures in membranes, in which method a membrane consisting of a polymer material is irradiated with charged particles, especially ions, to produce particle tracks. The particle tracks in the membrane are etched using an etching liquid and the et...

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Bibliographic Details
Main Authors SIWY ZUZANNA, VOSS KAI, DOBREV DOBRI D, NEUMANN REINHARD, TRAUTMANN CHRISTINA
Format Patent
LanguageEnglish
Published 21.06.2005
Edition7
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:The invention relates to a method of producing nanostructures in membranes, in which method a membrane consisting of a polymer material is irradiated with charged particles, especially ions, to produce particle tracks. The particle tracks in the membrane are etched using an etching liquid and the etching operation is stopped using a stop liquid, in such a manner that asymmetrical structures are formed. Polyimide is used as the membrane material.
Bibliography:Application Number: US20020085523