OPTICAL ELEMENT, LIGHT RECEIVING DEVICE, DISTANCE MEASUREMENT APPARATUS, MOBILE OBJECT, AND OPTICAL ELEMENT MANUFACTURING METHOD
An optical element includes a resin base; and multiple films on a surface of the resin base, the multiple films including: a first film having a first defect density; and a second film over the first film, the second film having a second defect density smaller than the first defect density of the fi...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | An optical element includes a resin base; and multiple films on a surface of the resin base, the multiple films including: a first film having a first defect density; and a second film over the first film, the second film having a second defect density smaller than the first defect density of the first film. |
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