Composite sensor membrane
First Claim
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1. A system for amplifying deflection of a sensor, comprising:
- a stretchable membrane having opposite fixed ends and a deflectable center portion; and
a layer disposed on the deflectable center portion of the stretchable membrane, wherein the layer has probe molecules thereon such that bonding of target molecules to the probe molecules causes the surface stress of the layer to change thereby bending the layer and deflecting the membrane, and wherein the layer covers only a central portion of the membrane such that deflection of the layer is amplified by the deflection of the membrane, and wherein the stretchable membrane comprises a polymer chosen from the group consisting of polyimide and parylene.
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Abstract
A sensor may include a membrane to deflect in response to a change in surface stress, where a layer on the membrane is to couple one or more probe molecules with the membrane. The membrane may deflect when a target molecule reacts with one or more probe molecules.
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Citations
44 Claims
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1. A system for amplifying deflection of a sensor, comprising:
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a stretchable membrane having opposite fixed ends and a deflectable center portion; and a layer disposed on the deflectable center portion of the stretchable membrane, wherein the layer has probe molecules thereon such that bonding of target molecules to the probe molecules causes the surface stress of the layer to change thereby bending the layer and deflecting the membrane, and wherein the layer covers only a central portion of the membrane such that deflection of the layer is amplified by the deflection of the membrane, and wherein the stretchable membrane comprises a polymer chosen from the group consisting of polyimide and parylene.
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2. A system for amplifying deflection of a sensor, comprising:
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a stretchable membrane having a first side, a second side, a third side and a fourth side, and a deflectable center portion, and wherein the membrane is fixed at only the first and the second sides; and a layer disposed on the deflectable center portion of the stretchable membrane, wherein the layer has probe molecules thereon such that bonding of target molecules to the probe molecules causes the surface stress of the layer to change thereby bending the layer and deflecting the membrane, wherein the layer covers only a central portion of the membrane, such that deflection of the layer is amplified by the deflection of the membrane. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A system, comprising:
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(a) a substrate having a first well and a second well disposed therein; (b) a first sensor, comprising; (i) a stretchable membrane having opposite fixed ends and a deflectable center portion, wherein the first stretchable membrane covers the first well in the substrate; and (ii) a layer disposed on the deflectable center portion of the stretchable membrane, wherein the layer has probe molecules thereon such that bonding of target molecules to the probe molecules causes the surface stress of the layer to change thereby bending the layer and deflecting the membrane, wherein the layer covers only a central portion of the membrane such that deflection of the layer is amplified by the deflection of the membrane, and wherein the first stretchable membrane covers the first well and the second stretchable membrane covers the second well; (c) a second sensor, comprising; (i) a stretchable membrane having opposite fixed ends and a deflectable center portion, wherein the second stretchable membrane covers the second well in the substrate; and (ii) a layer disposed on the deflectable center portion of the stretchable membrane, wherein the layer covers only a central portion of the membrane such that deflection of the layer is amplified by the deflection of the membrane; (d) a first channel to provide fluid to the first well; (e) a second channel to provide fluid to the second well; and (f) a cover to enclose the first and second wells. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A system for amplifying deflection of a sensor, comprising:
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a stretchable rectangular membrane having opposite fixed ends and a deflectable center portion; a substrate, wherein the opposite ends of the stretchable membrane are attached to the substrate and wherein the deflectable center portion of the stretchable membrane does not touch the substrate; and a layer disposed on the deflectable center portion of the stretchable membrane, wherein the layer has probe molecules thereon such that bonding of target molecules to the probe molecules causes the surface stress of the layer to change thereby bending the layer and deflecting the membrane, wherein the layer covers only a central portion of the membrane, such that deflection of the layer is amplified by the deflection of the membrane. - View Dependent Claims (33, 34, 35, 36, 37, 38)
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39. A system for amplifying deflection of a sensor, comprising:
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a stretchable membrane having a plurality of sides and a deflectable center portion, the membrane having fixed opposite ends and wherein the membrane is fixed at only two sides of the plurality of sides; and a layer disposed on the deflectable center portion of the stretchable membrane, wherein the layer has probe molecules thereon such that bonding of target molecules to the probe molecules causes the surface stress of the layer to change thereby bending the layer and deflecting the membrane, wherein the layer covers only a central portion of the membrane, such that deflection of the layer is amplified by the deflection of the membrane. - View Dependent Claims (40, 41, 42, 43, 44)
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Specification