Method of manufacturing lens array

Details Method of manufacturing lens array Method of manufacturing lens array

1994-01-03

1996-07-16

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Composite or multiple layer

264 25, 264 27, 427162, 430324, 430330, B29D 1100

Patent

active

055364551

ABSTRACT:
A first array of first lens-base elements is formed on a substrate with spacing therebetween. The first lens-base elements are heated so that the first lens-base elements melt to form first lenses having round surfaces. A separation layer is formed to cover the first lenses and the substrate. A second array of second lens-base elements is formed, the second lens-base elements being placed on a region where the first lenses are not formed so as to partly overlap with the first lenses. The second lens-base elements are also heated so that the second lens-base elements melt to form second lenses having round surfaces. The lens array includes the substrate and the first and second lenses.

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Z. Popovic et al. "Technique for monolithic fabrication of microlens arrays", Applied Optics, vol. 27, No. 7, 1 Apr. 1988, pp. 1281-1284.
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N. Craft et al., "Optical interconnects based on arrays of surface-emitting lasers and lenslets", Applied Optics, vol. 31, No. 11, 10 Apr. 1992, pp. 1735-1739.
K. Iga et al., "Stacked planar optics: an application of the planar microlens", Applied Optics, vol. 21, No. 19, 1 Oct. 1982, pp. 3456-3460.

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