Over-molding of sensor apparatus in eye-mountable device
First Claim
1. A method for fabricating an eye-mountable device, the method comprising:
- forming a first polymer layer;
positioning a sensor apparatus on the first polymer layer, wherein the sensor apparatus comprises a support and an electrochemical sensor and a loop antenna mounted on the support, and wherein the sensor apparatus has a maximum height of between 50 micrometers and 150 micrometers; and
forming a second polymer layer over the first polymer layer and the sensor apparatus, such that the sensor apparatus is fully enclosed by the first polymer layer and the second polymer layer, wherein one of the first polymer layer or the second polymer layer defines an anterior side of the eye-mountable device, and wherein the support is more rigid than the first and second polymer layers.
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Abstract
Example eye-mountable devices and methods for fabricating eye-mountable devices are described. A method may involve forming a first polymer layer, which defines an anterior side of the eye-mountable device and is configured to allow an analyte to diffuse therethrough. Further, the method may involve positioning a sensor apparatus on the first polymer layer, wherein the sensor apparatus comprises at least one sensor configured to detect the analyte, and wherein the at least one sensor is oriented relative to the first polymer layer to receive the analyte via diffusion through the first polymer layer. The sensor apparatus may have a height dimension of at least 50 micrometers. Still further, the method may involve forming a second polymer layer over the first polymer layer and the sensor apparatus, such that the sensor apparatus is fully enclosed by the first polymer layer and the second polymer layer.
166 Citations
15 Claims
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1. A method for fabricating an eye-mountable device, the method comprising:
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forming a first polymer layer; positioning a sensor apparatus on the first polymer layer, wherein the sensor apparatus comprises a support and an electrochemical sensor and a loop antenna mounted on the support, and wherein the sensor apparatus has a maximum height of between 50 micrometers and 150 micrometers; and forming a second polymer layer over the first polymer layer and the sensor apparatus, such that the sensor apparatus is fully enclosed by the first polymer layer and the second polymer layer, wherein one of the first polymer layer or the second polymer layer defines an anterior side of the eye-mountable device, and wherein the support is more rigid than the first and second polymer layers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method comprising:
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forming a first polymer layer, wherein the first polymer layer defines an anterior side of an eye-mountable device, and wherein the first polymer layer comprises at least one interlocking feature; positioning a sensor apparatus on the first polymer layer, wherein the sensor apparatus comprises a support and an electrochemical sensor and a loop antenna mounted on the support, and wherein the sensor apparatus has a maximum height of between 50 micrometers and 150 micrometers; and forming a second polymer layer, wherein the second polymer layer defines a posterior side of the eye-mountable device, and wherein the second polymer layer comprises at least one corresponding interlocking feature, wherein each corresponding interlocking feature corresponds with a respective interlocking feature of the first polymer layer, and wherein the support is more rigid than the first and second polymer layers. - View Dependent Claims (12, 13)
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14. An eye-mountable device comprising:
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a first polymer layer, wherein the first polymer layer defines an anterior side of the eye-mountable device, and wherein the first polymer layer comprises at least one interlocking feature; a second polymer layer wherein the second polymer layer defines a posterior side of the eye-mountable device, and wherein the second polymer layer comprises at least one corresponding interlocking feature, wherein each corresponding interlocking feature corresponds with a respective interlocking feature of the first polymer layer; and a sensor apparatus attached to at least one of the first polymer layer or the second polymer layer, wherein the sensor apparatus comprises a support and an electrochemical sensor and a loop antenna mounted on the support, wherein the sensor apparatus has a maximum height of between 50 micrometers and 150 micrometers, and wherein the support is more rigid than the first and second polymer layers. - View Dependent Claims (15)
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Specification