Patent ID: 7864463
Filing Date: 2011-01-04
Classification: G02B

Abstract:
1. A thin fastening slice module connected to a front end of an image pickup device for fastening an external lens, said thin fastening slice module comprising: a first fastening slice body including a first surface, a first upper periphery and a first concave part, wherein said first concave part is downwardly extended from said first upper periphery; and a second fastening slice body including a second surface, a second upper periphery and a second concave part, wherein said second concave part is downwardly extended from said second upper periphery, said first surface has an area greater than said second surface, said first upper periphery is aligned with said second upper periphery, wherein said second fastening slice body is connected to said front end of said image pickup device, and said first fastening slice body is separated from the image pickup device, so that a recess structure is defined between said first fastening slice body, said second fastening slice body and said image pickup device for fastening said external lens, wherein said external lens has a protruding edge at an outer periphery thereof, and said protruding edge is partially embedded into said recess structure, thereby fastening said external lens.