Method of producing a flat, reinforced article with micro-openings
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United States of America Patent
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May 25, 1993
Grant Date -
N/A
app pub date -
Nov 19, 1991
filing date -
Dec 28, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of producing a flat, reinforced article with micro-openings is described wherein at least one reinforcing layer is applied to a basic layer. To be able to carry out such a method in an easy and inexpensive way, the following steps should be taken: Coating a prefabricated basic layer at both sides with a radiosensitive resist in such a way that the resist fills the micro-openings, irradiating the basic layer provided with the resist from one side in such a way that the radiation passes through the resist in the micro-openings, removing the resist from the basic-layer regions to be provided with the reinforcing layer, applying the reinforcing layer and subsequently removing the remaining resist.
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