| 摘要 |
An optical element including a plurality of reference members formed on a first side surface, and a method and apparatus for fixedly joining the optical element with the first side surface facing down. The method includes providing a surface including a specific position where the optical element is placed, applying an adhesive agent to a predetermined spot within the specific position in which the optical element is placed, placing the optical element therein, causing the optical element to have convex warpage, and curing the adhesive agent. The apparatus includes mechanisms configured to apply an adhesive agent to a predetermined spot within a specific position of a surface on where the optical element is placed, and to place the optical element therein, and first and second light sources configured to cause the optical element to have convex warpage, and to cure the adhesive agent, respectively.
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