Electronics & Semiconductors

A better pen-and-ink system for drawing flexible circuits

Conductive ink is a great tool for printing flexible electronic circuits on surfaces. But these inks can be costly, they do not work on some materials, and devices to apply them can plug up. Now, scientists report in ACS ...

Energy & Green Tech

Solar perovskite production on a roll

High-performance perovskite solar cells are made using a manufacturing-friendly liquid-based process suitable for roll to roll production.

Engineering

Printed 3-D structures based on cellulose nanocrystals

Empa researchers have succeeded in developing an environmentally friendly ink for 3-D printing based on cellulose nanocrystals. This technology can be used to fabricate microstructures with outstanding mechanical properties, ...

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Ink

Ink is a liquid or paste that contains pigments and/or dyes and is used to color a surface to produce an image, text, or design. Ink is used for drawing and/or writing with a pen, brush, or quill. Thicker inks, in paste form, are used extensively in letterpress and lithographic printing.

Ink can be a complex medium, composed of solvents, pigments, dyes, resins, lubricants, solubilizers, surfactants, particulate matter, fluorescers, and other materials. The components of inks serve many purposes; the ink’s carrier, colorants, and other additives control flow and thickness of the ink and its appearance when dry.

This text uses material from Wikipedia, licensed under CC BY-SA