| 摘要 |
A spacer ( 20 ), configured to be disposed between two lenses ( 12, 13 ) of a lens module ( 10 ) in order to separate the two lenses by a predetermined distance, includes a through hole ( 22 ) penetrating therethrough for permitting light to pass therethrough, and an upper surface ( 201 ) configured for receiving adhesive thereon. The upper surface has a slot ( 23 ) defined therein around the through hole. The slot is configured for receiving excess adhesive. A lens module using the spacer and a method of assembling the lens module are also provided.
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