Method of manufacturing lens array
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United States of America Patent
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Dec 2, 1997
Grant Date -
N/A
app pub date -
Jun 6, 1995
filing date -
Jan 3, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
A method of manufacturing a lens array according to the invention is presented wherein 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 comprises the substrate and the first and second lenses.
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