Method for applying optical filter structures onto a substrate
The invention relates to a method by which optical filter structures are applied onto a substrate (1) that is transparent to light at least in the visible wavelength range transparent to light. In such a method, an adhesive (3) is applied onto the substrate (1); then, a photographic film comprising...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a method by which optical filter structures are applied onto a substrate (1) that is transparent to light at least in the visible wavelength range transparent to light. In such a method, an adhesive (3) is applied onto the substrate (1); then, a photographic film comprising a base film (4) and a photographic emulsion layer (5) applied on it is brought into contact with the adhesive (3). The optical filter structures are impressed in the photographic emulsion layer (5) by exposure, development and fixation. The side of the film brought into contact with the adhesive (3) is the one that bears the photographic emulsion layer (5). The adhesive (3) is then spread between film and substrate (1) by means of a roller (6) rolling across the film at a specified contact pressure and a specified feed rate of the roller (6) and thus pressing the film against the substrate (1). A permanent joint between substrate (1) and photographic emulsion layer (5) is then established by the curing of the adhes |
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