Optical filter device, optical module, and electronic apparatus
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United States of America Patent
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Jan 3, 2017
Grant Date -
Mar 28, 2013
app pub date -
Sep 26, 2012
filing date -
Sep 27, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An optical filter device includes a variable wavelength interference filter having a stationary substrate, a movable substrate, a stationary reflecting film, and a movable reflecting film, and a housing adapted to house the variable wavelength interference filter therein. The housing has a base substrate, a lid bonded to the base substrate, and forming an internal space between the base substrate and the lid, and a lid-side glass substrate adapted to block a light passage hole provided to the lid. Further, the lid-side glass substrate has a substrate edge located outside the outer peripheral edge of the light passage hole, and is bonded to the lid in an area extending from the outer peripheral edge of the light passage hole to the substrate edge.
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