Structure for optical analysis and ink composition for manufacturing the same
Disclosed herein are a structure for optical analysis that is capable of optically analyzing a small amount of a sample and an ink composition for manufacturing the same. A structure for optical analysis includes a support and an ink structure coupled to the support and configured to form a chamber on one surface of the support. The ink structure includes a first ink structural component configured to form a body of the ink structure and a second ink structural component formed at a lower portion of a side surface of the first ink, such that the first ink structural component and the second ink structural component have different slopes with respect to a direction of a center of the chamber.
1. A structure for optical analysis, comprising:
a support; and
an ink structure coupled to the support to form a chamber having a bottom surface and side surfaces,
wherein the ink structure comprises:
a first ink structural component configured to form a first sidewall of the ink structure and having a first slope with respect to a direction of a center of the chamber; and
a second ink structural component configured to form a second sidewall of the ink structure positioned under the first sidewall of the ink structure and having a second slope with respect to the direction of the center of the chamber,
wherein the first slope is different from the second slope,
wherein the ink structure is formed by coating an ink composition that includes a pigment-based ink and a resin-based ink,
wherein the second ink structural component has a higher lipophilicity than the first ink structural component, and
wherein the first sidewall and the second sidewall form one of the side surfaces of the chamber.
2. The structure of claim 1 , wherein a slope of a longitudinal section of the second ink structural component decreases along a direction of the support.
3. The structure of claim 1 , wherein a longitudinal section of the second ink structural component has a parabolic shape or a Gaussian distribution shape.
4. The structure of claim 1 , wherein a diameter of the chamber decreases from a starting point of the second ink structural component in a direction of the support.
5. The structure of claim 1 , wherein the ink structure forms a channel on one surface of the support.
6. The structure of claim 5 , wherein a width of the channel decreases from a starting point of the second ink structural component in a direction of the support.
7. The structure of claim 1 , wherein the first ink structural component is formed of the pigment-based ink and the resin-based ink.
8. The structure of claim 1 , wherein the second ink structural component is formed of the resin-based ink.
9. The structure of claim 1 , wherein the second ink structural component is formed by the resin-based ink in the ink composition flowing downward in a gravitational direction.
10. The structure of claim 1 , wherein a weight of the pigment-based ink comprises between 30% and 70% of a total weight of the ink composition and a weight of the resin-based ink comprises between 30% and 70% of the total weight of the ink composition.
11. The structure of claim 1 , wherein the ink composition further includes a curing agent and a retardant, and wherein a combined weight of the curing agent and the retardant comprises between 10% and 20% of a total weight of the ink composition.
12. The structure of claim 1 , wherein a transmittance of the ink structure increases in correspondence with an increase of an ink composition ratio of a white resin-based ink included in the ink composition.
13. The structure of claim 1 , wherein a transmittance of the ink structure increases in correspondence with an increase of a wavelength of light that is incident onto the ink structure.
14. The structure of claim 1 , wherein the pigment-based ink includes at least one from among rutile, anatase, antimony oxide, zinc, calcium carbonate, silica, cadmium, chromium, cobalt, copper, iron oxide, lead, manganese, mercury, titanium, carbon, clay earth, ultramarine, alizarin, alizarin crimson, gamboge, cochineal red, rose madder, indigo, indian yellow, tyrian purple, quinacridone, magenta, phthalo green phthalo blue pigment red 170, and diarylide yellow.
15. The structure of claim 1 , wherein the resin-based ink includes at least one from among silicone, cryptal, a semiconductor, benzoin, petroleum, styrene, aniline, an amino group, amino alkyd, vinyl acetate, alkyd, epoxy, urea, a casting resin, toluene, plastic, polyamide, polyurethane, and amber.
16. The structure of claim 1 , wherein the support is provided in a thin film shape of a film type.
17. The structure of claim 1 , wherein the support is provided in a curved surface shape.
18. The structure of claim 1 , wherein, in the support, one surface coupled to the ink structure is hydrophilic-processed.