Electro-actuated microlens assemblies
First Claim
Patent Images
1. A micro-machined microlens assembly, comprising:
- a substrate made of semiconductor material;
a microlens;
a microlens support which movably supports the microlens;
at least one suspension member, the at least one suspension member having a first end and a second end, the first end being attached to the microlens support and the second end being attached to the substrate thereby suspending the microlens support above the substrate; and
at least one force generator which moves the microlens support.
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Abstract
A micro-machined movable microlens assembly is formed on undoped or pure a semiconductor substrate. The movable microlens assemblies are to be actuated using force generators which cause various mechanical degrees of freedom depending upon the type of stage suspension and actuation used.
152 Citations
20 Claims
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1. A micro-machined microlens assembly, comprising:
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a substrate made of semiconductor material; a microlens; a microlens support which movably supports the microlens; at least one suspension member, the at least one suspension member having a first end and a second end, the first end being attached to the microlens support and the second end being attached to the substrate thereby suspending the microlens support above the substrate; and at least one force generator which moves the microlens support. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An array of micro-machined microlens assemblies, comprising:
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a substrate made of semiconductor material; a plurality of microlenses; at least one microlens support which movably supports the microlenses; a plurality of suspension members, each suspension member having a first end and a second end, the first end of each suspension member being attached to the microlens support and the second end of each suspension member being attached to the substrate thereby suspending the at least one microlens support above the substrate; and at least one force generator which moves the plurality of microlenses with respect to the substrate. - View Dependent Claims (12, 13, 14, 15)
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16. A method of moving a micro-machined microlens assembly, comprising:
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suspending a microlens assembly on a semiconductor substrate, the microlens assembly being supported on a microlens support; and actuating a first force generator which moves the microlens support in a first direction; and actuating a second force generator which moves the microlens support in a second direction. - View Dependent Claims (17, 18, 19, 20)
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Specification