| 摘要 |
A lens array and a method for fabricating a lens array that is relatively flat and has useful lenses with relatively uniform sag heights are described herein. In one embodiment, the lens array includes a one-dimensional array of useful lens and two sacrificial lens each of which is formed next to an end of a row of the useful lenses. In another embodiment, the lens array includes a two-dimensional array of useful lens and a plurality of perimeter sacrificial lens each of which is formed next to an end of a row or a column of the useful lenses. In yet another embodiment, the lens array includes an array of useful lenses and a glass region (including possibly a glass matrix) located within a opal border and outside a opal region that surrounds the useful lenses.
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