Stackable and bandwidth expandable filter assembly
This invention relates to a combined bandpass filter assembly being suitable for filtering electromagnetic waves and including at least one unit structure. The at least one unit structure includes two first light-transmitting layers a, two second light-transmitting layers b and a third light-transmi...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | This invention relates to a combined bandpass filter assembly being suitable for filtering electromagnetic waves and including at least one unit structure. The at least one unit structure includes two first light-transmitting layers a, two second light-transmitting layers b and a third light-transmitting layer c in an order of a-b-c-b-a, wherein each of the first light-transmitting layers has a dielectric constant of [epsilon]a and a thickness of da, each of the second light-transmitting layers has a dielectric constant of [epsilon]b and a thickness of db, the third light-transmitting layer has a dielectric constant of [epsilon]c and a thickness of dc, wherein 1 |
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