Method for producing thin membrance-type structure components
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United States of America Patent
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Issued Date -
Oct 2, 2003
app pub date -
Mar 4, 2003
filing date -
Oct 9, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method for producing thin membrane-type structural components, especially flaps for cardiac valves, or for producing a multilayer membrane or a thin surface coating on the basis of a polymer, wherein the individual layers are produced on a base body while forming a solid link with said base body or the membrane-type structural components are applied to a support tool and the membrane-type structural components are then detached (separated) therefrom. The aim of the invention is to achieve a defined thickness distribution of the thin membranes or films. To this end, individual droplets of a polymer solution or droplets from viscous polymerizing multicomponent systems are applied to the base or the support tool in a punctiform manner, linearly in one row, in a caterpillar shape or across the surface of the based body or the support tool. The applied solution is then dried and application of the droplets and drying is repeated until the desired shape of a three-dimensional polymer body is obtained.
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