Test device for measuring permeability of a barrier material
First Claim
Patent Images
1. An electrical calcium test device for measuring permeability of a barrier material, comprising:
- a test card including a thin-film pattern of sensor metal deposited onto a substrate;
an impermeable spacer having therein a volume of space defined by an interior wall of the impermeable spacer, wherein the volume of space traverses the impermeable spacer from a first aperture to a second aperture and separates the sensor metal from a test barrier material;
a first edge seal which seals the test card to the impermeable spacer, anda second edge seal configured to seal the impermeable spacer to the test barrier material.
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Abstract
A test device for measuring permeability of a barrier material. An exemplary device comprises a test card having a thin-film conductor-pattern formed thereon and an edge seal which seals the test card to the barrier material. Another exemplary embodiment is an electrical calcium test device comprising: a test card an impermeable spacer, an edge seal which seals the test card to the spacer and an edge seal which seals the spacer to the barrier material.
18 Citations
21 Claims
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1. An electrical calcium test device for measuring permeability of a barrier material, comprising:
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a test card including a thin-film pattern of sensor metal deposited onto a substrate; an impermeable spacer having therein a volume of space defined by an interior wall of the impermeable spacer, wherein the volume of space traverses the impermeable spacer from a first aperture to a second aperture and separates the sensor metal from a test barrier material; a first edge seal which seals the test card to the impermeable spacer, and a second edge seal configured to seal the impermeable spacer to the test barrier material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification