Ultraphobic surface

Details Ultraphobic surface Ultraphobic surface

2007-10-23

2007-10-23

Tran, Thao (Department: 1711)

Stock material or miscellaneous articles

Composite

C428S412000, C428S423100, C428S425800, C428S457000, C428S458000, C428S461000, C428S473500, C428S474400, C428S480000, C428S544000, C427S435000

Reexamination Certificate

active

09869123

ABSTRACT:
The invention relates to a structured surface with ultraphobic properties. Said surface as a surface topography in which the value of the integral of a function S: S(log f)=a(f)·f, which gives a relationship between the spatial frequencies f of the individual Fourier components and their amplitudes a(f) is at least 0.5 between the integration limits log (f1/μm−1)=−3 and log (f2/μm−1)=3. The surface consists of a hydrophobic or oleophobic material or is coated with a hydrophobic or oleophobic material.

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