Patent ID: 9739999
Date: 2017-08-22
CPC Classifications: G01J,G01N,G02B,H01L

Claim:
1. A variable wavelength interference filter comprising: a first substrate; a second substrate that is disposed so as to oppose the first substrate; a first mirror that is disposed between the first substrate and the second substrate; a second mirror that is disposed between the first mirror and the second substrate; a first electrode that is disposed between the first substrate and the second substrate; and a second electrode that is disposed between the first electrode and the second substrate, wherein the first substrate has: the second substrate has a second electrode surface that is disposed so as to oppose the first substrate, the first electrode is disposed between the first electrode surface and second electrode surface so as to cover at least a portion of the second surface and at least a portion of the third surface, and the second electrode is connected to the first electrode between the first electrode surface and the second electrode surface.