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  2. Volume solid - Wikipedia

    en.wikipedia.org/wiki/Volume_solid

    Suppose the volume solid is 100%, and the wet film thickness is also 100 μm. Then after complete drying of the paint, the DFT will be 100 μm because no solvent will be evaporated. [1] This is an important concept when using paint industrially to calculate the cost of painting. [1] It can be said that it is the real volume of paint.

  3. Slot-die coating - Wikipedia

    en.wikipedia.org/wiki/Slot-die_coating

    The thickness of the resulting wet coated layer is controlled by tuning the ratio between the applied volumetric pump rate and areal coating rate. Unlike in self-metered coating methods such as blade- and bar coating, the slot-die does not influence the thickness of the wet coated layer via any form of destructive physical contact or scraping.

  4. Conformal coating - Wikipedia

    en.wikipedia.org/wiki/Conformal_coating

    Dry film conformal coating thickness measurement. An alternative to wet film measurement is by using eddy currents. The system works by placing the test head on the surface of the conformal coating. When liquid water is present, a pinhole can form in the coating. This is considered a defect and can be eliminated with appropriate steps and training.

  5. Stribeck curve - Wikipedia

    en.wikipedia.org/wiki/Stribeck_curve

    The two sub-problems are coupled through the load carried by the lubricant and by the “dry” contact. In its simplest approximation, the lubrication sub-problem can be represented via a central film thickness fit [14] to calculate the film thickness and the Greenwood-Williamson model [15] for the “dry” contact sub-problem. This approach ...

  6. Thin-film equation - Wikipedia

    en.wikipedia.org/wiki/Thin-film_equation

    The basic form of a 2-dimensional thin film equation is [3] [4] [5] = where the fluid flux is = [(+ ^) + ^] +, and μ is the viscosity (or dynamic viscosity) of the liquid, h(x,y,t) is film thickness, γ is the interfacial tension between the liquid and the gas phase above it, is the liquid density and the surface shear.

  7. Hiding power - Wikipedia

    en.wikipedia.org/wiki/Hiding_power

    The direct measurements are still in demand where the real-world constraints of an uneven paint application are present, for example, the painting of buildings inevitably involves unevenness of the paint thickness due to the texture of a brush or a roller. The resulting perceived opacity is sometimes called an applied hiding power. ASTM D5150 ...

  8. SU-8 photoresist - Wikipedia

    en.wikipedia.org/wiki/SU-8_photoresist

    SU-8 molecule. SU-8 is a commonly used epoxy-based negative photoresist.Negative refers to a photoresist whereby the parts exposed to UV become cross-linked, while the remainder of the film remains soluble and can be washed away during development.

  9. Thermal oxidation - Wikipedia

    en.wikipedia.org/wiki/Thermal_oxidation

    The long time required to grow a thick oxide in dry oxidation makes this process impractical. Thick oxides are usually grown with a long wet oxidation bracketed by short dry ones (a dry-wet-dry cycle). The beginning and ending dry oxidations produce films of high-quality oxide at the outer and inner surfaces of the oxide layer, respectively.

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