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US 2013/0077169 A1Published application
Hollow particle crystalline colloidal arrays
AssigneePPG Industries Ohio, Inc.
InventorsShan Cheng, Noel R. Vanier, Wei Wang, Xiangling Xu
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Abstract
The invention includes a radiation diffracting member having a crystalline structure comprising an ordered periodic array of hollow particles. The radiation diffracting member also includes a matrix material in which the array of particles is received.
Claims22
A radiation diffracting member having a crystalline structure and comprising:
- an ordered periodic array of hollow particles;
- and
- a matrix material in which said array of particles is received.
A method of making a radiation diffracting member comprising:
- receiving an ordered periodic array of hollow particles into a curable matrix composition;
- and
- curing the matrix composition to fix the array of hollow particles within a matrix material.
Dependencies are inferred from the claim text.