Optical filter device, optical module, electronic device, and MEMS device
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SEIKO EPSON CORP
- Publication Date
- 2015-04-15
- Estimated Expiration
- Not applicable Β· inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The present invention relates to an optical filter device, an optical module, electronic equipment and a MEMS device. Background technique
[0002] Conventionally, there are known interference filters in which reflective films are disposed opposite to each other on the opposing surfaces of a pair of substrates via a predetermined gap, mirror elements in which reflective films are disposed on the substrates, and piezoelectric elements such as crystal resonators disposed on the substrates. Various MEMS (Micro Electro Mechanical Systems (Micro Electro Mechanical Systems)) components such as piezoelectric vibration elements on the surface. In addition, there is known a MEMS device in which such a MEMS element is accommodated in a storage container (for example, refer to Patent Document 1).
[0003] Patent Document 1 describes an infrared gas detector (optical filter device) including a unit (casing) including a plate-shaped base and a cylindrical cover. ...