Electronics & Semiconductors

Scientists design new inks for 3D-printable wearable bioelectronics

Flexible electronics have enabled the design of sensors, actuators, microfluidics and electronics on flexible, conformal and/or stretchable sublayers for wearable, implantable or ingestible applications. However, these devices ...

Engineering

Fancy a side of 3D printed carrots and crickets with your meal?

As the global population continues to age and grow, the demand for protein-rich food is also expected to increase concurrently. This has also caused concerns on increasing greenhouse gases, land and water consumption associated ...

Electronics & Semiconductors

Just add water to activate a disposable paper battery

A water-activated disposable paper battery is presented in a proof-of-principle study in Scientific Reports. The authors suggest that it could be used to power a wide range of low-power, single-use disposable electronics—such ...

Consumer & Gadgets

E Ink announces next-generation color ePaper, E Ink Gallery 3

E Ink Corporation has announced the development of E Ink Gallery 3—its next generation electronic color paper for the eReader and eNote devices. In its announcement, the company notes that the new generation of color ePaper ...

Robotics

Using gelatin and sugar as ink to print 3D soft robots

A team of researchers at Johannes Kepler University Linz has used biodegradable materials as ink to print 3D soft robots. In their paper published in the journal Science Robotics, the group describes how they developed their ...

Electronics & Semiconductors

Shellac for printed circuits

More precise, faster, cheaper: Researchers all over the world have been working for years on producing electrical circuits using additive processes such as robotic 3D-printing (so-called robocasting) with great success, but ...

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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.

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