OPTICAL MEMBER COUPLING DEVICE AND OPTICAL SCANNING APPARATUS

OPTICAL MEMBER COUPLING DEVICE AND OPTICAL SCANNING APPARATUS

An optical scanning apparatus includes a light source to generate a beam, a lens to transmit the beam generated from the light source, and a base member to which the lens is fixed, wherein the lens is fixed to the base member via a mount member having a same coefficient of thermal expansion as the l...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: TAHK GYUNG MO
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:An optical scanning apparatus includes a light source to generate a beam, a lens to transmit the beam generated from the light source, and a base member to which the lens is fixed, wherein the lens is fixed to the base member via a mount member having a same coefficient of thermal expansion as the lens. According to the present general inventive concept, an optical member, such as the lens, is not directly joined to the base member but is joined to the mount member having the same coefficient of thermal expansion as the optical member and is then coupled to the base member. Consequently, the optical member is stably coupled to the base member even when the temperature changes.