1. A process for forming a multilayered electrospun composite structure comprising:
forming a dispersion of polymeric particles, a fiberizing polymer, and a solvent, the dispersion having a viscosity of at least about 50,000 cPs;
electrospinning nanofibers from the dispersion onto a first expanded polytetrafluoroethylene layer;
applying a second expanded polytetrafluoroethylene layer onto the nanofibers to form a composite structure; and heating the composite structure.
2. The process of claim 1, wherein the polymeric particles comprise polytetrafluoroethylene.
3. The process of claim 2, wherein the dispersion comprises about 50-80 weight percent of polytetrafluoroethylene.
4. The process of claim 2, wherein the dispersion comprises about 59-61 weight percent of polytetrafluoroethylene.
5. The process of claim 1, wherein the solvent comprises water.
6. The process of claim 1, wherein the fiberizing polymer comprises polyethylene oxide.
7. The process of claim 1, wherein the fiberizing polymer comprises a polyacrylamide, polyvinyl alcohol, polyvinylpyrrolidone, dextran, alginate, chitosan, guar gum compound, starch, cellulosic compound, polyacrylate, polycarboxylate, polylactic acid, polymethacrylic acid, or combinations thereof.
8. The process of claim 1, wherein the dispersion has a viscosity of at least about 100,000 cPs.
9. A process for forming a multilayered electrospun composite structure comprising:
electrospinning a dispersion having a viscosity of at least about 50,000 cPs and comprising polymeric particles, a fiberizing polymer, and a solvent, onto a first side of an expanded polytetrafluoroethylene layer;
electrospinning a dispersion having a viscosity of at least about 50,000 cPs and comprising polymeric particles, a fiberizing polymer, and a solvent, onto a second side of the expanded polytetrafluoroethylene layer to form a composite structure; and
heating the composite structure.
10. The process of claim 9, wherein at least a portion of the polymeric particles comprise polytetrafluoroethylene.
11. The process of claim 9, wherein the dispersion comprises about 59-61 weight percent of polytetrafluoroethylene.
12. The process of claim 9, further comprising sintering.
13. The process of claim 9, wherein the solvent comprises water.
14. A process for forming a multilayered electrospun composite structure comprising:
forming a dispersion of polymeric particles, a fiberizing polymer, and a solvent, the dispersion having a viscosity of at least about 50,000 cPs;
electrospinning nanofibers from the dispersion onto a first expanded polytetrafluoroethylene layer;
applying a substrate onto the nanofibers to form a composite structure; and
heating the composite structure.
15. The process of claim 14, wherein the polymeric particles comprise polytetrafluoroethylene.
16. The process of claim 15, wherein the dispersion comprises about 50-80 weight percent of polytetrafluoroethylene.
17. The process of claim 14, wherein the substrate comprises woven or nonwoven fabric.
18. The process of claim 14, wherein the substrate comprises a plastic or ceramic membrane.
19. The process of claim 14, wherein the substrate comprises a metal, ceramic, or plastic mesh.
20. A process for forming a multilayered electrospun composite structure comprising:
electrostatically spinning nanofibers from a dispersion onto a first expanded polytetrafluoroethylene layer, wherein the dispersion comprises polymeric particles, a fiberizing polymer, and a solvent and wherein the dispersion has a viscosity of at least about 50,000 cPs;
applying a second expanded polytetrafluoroethylene layer onto the nanofibers to form a composite structure; and
heating the composite structure.
21. A process for forming a multilayered electrospun composite structure comprising:
electrostatically spinning nanofibers from a dispersion onto a first expanded polytetrafluoroethylene layer, wherein the dispersion comprises polymeric particles, a fiberizing polymer, and a solvent, and wherein the dispersion has a viscosity of at least about 50,000 cPs;
applying a substrate onto the nanofibers to form a composite structure; and
heating the composite structure.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An information processing apparatus, comprising:
an acquisition section configured to acquire information of a lightness distribution of a first image captured by an image sensor, wherein the first image is obtained by a microscopy device, wherein the first image is an image of no sample, and wherein the lightness distribution results from an optical system of the microscopy device; and
a correction section configured to correct, based on the information of lightness distribution acquired by the acquisition section, a lightness unevenness of a second image captured by the image sensor, wherein the second image is an image of the sample.
2. The information processing apparatus according to claim 1, further comprising
a storage section configured to store the information of lightness distribution acquired by the acquisition section,
wherein the correction section is configured to correct the lightness unevenness of the second image based on the information of lightness distribution stored by the storage section.
3. The information processing apparatus according to claim 1,
wherein the acquisition section is configured to acquire the information of lightness distribution for each first divided area obtained by dividing the first image into a plurality of areas, and
wherein the correction section is configured to correct the lightness unevenness of the second image for each second divided area obtained by dividing the second image into a plurality of areas, the second divided area corresponding to the first divided area.
4. The information processing apparatus according to claim 1,
wherein the acquisition section is configured to acquire information of chromaticity distribution of the first image, the chromaticity distribution resulting from the optical system of the microscopy device,
wherein the correction section is configured to adjust a white balance of the second image based on the information of chromaticity distribution acquired by the acquisition section.
5. An information processing method, which is executed by an information processing apparatus, the information processing method comprising:
acquiring information of lightness distribution of a first image captured by an image sensor, wherein the first image is obtained by a microscopy device, wherein the first image is an image of no sample, and wherein the lightness distribution results from an optical system of the microscopy device; and
correcting, based on the acquired information of lightness distribution, lightness unevenness of a second image captured by the image sensor, wherein the second image is an image of the sample.
6. A non-transitory computer readable medium storing a computer program causing an information processing apparatus to execute:
acquiring information of lightness distribution of a first image captured by an image sensor, wherein the first image is obtained by a microscopy device, wherein the first image is an image of no sample, and wherein the lightness distribution results from an optical system of the microscopy device; and
correcting, based on the acquired information of lightness distribution, lightness unevenness of a second image captured by the image sensor, the second image being an image of the sample.
7. An imaging apparatus, comprising:
a microscopy device including an optical system;
an image sensor;
an acquisition section configured to acquire information of a lightness distribution of a first image captured by the image sensor, wherein the first image is obtained by a microscopy device, wherein the first image being an image of no sample, and wherein the lightness distribution results from the optical system of the microscopy device; and
a correction section configured to correct, based on the information of lightness distribution acquired by the acquisition section, a lightness unevenness of a second image captured by the imaging means, the second image being an image of the sample.
8. The information processing apparatus according to claim 1, wherein the first image is obtained by capturing an all-white image.