公开(公告)号：US20080002104A1

公开(公告)日：2008-01-03

申请号：US11770888

申请日：2007-06-29

Applicant: Atsuo TOKUNAGA

Inventor： Atsuo TOKUNAGA

IPC: G02F1/1333

CPC classification number: H04N1/03 ,  H04N1/1934 ,  H04N2201/02412 ,  H04N2201/02425 ,  H04N2201/02429 ,  H04N2201/04791

Abstract: A disclosed optical device is physically movable with respect to a document surface or an image forming surface. The disclosed optical device includes substrates; optical element groups mounted on the substrates and composed of optical elements for image scanning or image forming, adjacent ones of the optical element groups being spaced at a predetermined distance in a direction that the optical device is movable; and a joining part joining the substrates and thereby maintaining the predetermined distance, the joining part having a thermal coefficient of expansion that is smaller than that of the substrates.

Abstract translation: 所公开的光学装置可相对于文件表面或图像形成表面物理地移动。 所公开的光学装置包括基板; 光学元件组安装在基板上并由用于图像扫描或图像形成的光学元件组成，相邻的光学元件组沿光学装置可移动的方向间隔开预定距离; 以及接合部，其接合所述基板，从而保持所述预定距离，所述接合部的热膨胀系数小于所述基板的热膨胀系数。