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US 8,709,352 B2Granted
Humidity indicator and method for fabricating the same
AssigneeIndustrial Technology Research Institute
InventorsTzu-Chi Chou, Ren-Der Jean, Hsin-Hung Pan
Life of this patent
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Abstract
The disclosure provides a humidity indicator and a method for fabricating the same. The humidity indicator includes a substrate, and a composite disposed on a predetermined region of the substrate. The composite includes a hydrophilic polymer and a Ni-containing compound. The humidity indicators of the disclosure are reusable, halide-free, and cobalt-free, meeting the requirement of environmental friendliness.
Claims5
A humidity indicator, comprising:
- a substrate;
- and
- a composite disposed on a predetermined region of the substrate, wherein the composite is a mixture comprising a hydrophilic polymer, and a Ni-containing compound.
Dependencies are inferred from the claim text.