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 ...

Other

Simple method to upcycle okara using 3D printing

Researchers from the Singapore University of Technology and Design (SUTD) developed a method to perform direct ink writing (DIW) 3D printing of okara—a soybean byproduct generated from the production of soy milk and bean ...

Electronics & Semiconductors

Welcoming composite inks into the fold

A screen-printing approach to creating foldable circuits could make many functional devices easier and cheaper to mass produce.

Electronics & Semiconductors

New 3D-printing ink used to create tiny thermo-generators

A team of researchers working at the Ulsan National Institute of Science and Technology has created a new type of ink that can be used to print tiny 3D generators. In their paper published in the journal Nature Electronics, ...

Electronics & Semiconductors

Researchers demonstrate fully recyclable printed electronics

Engineers at Duke University have developed the world's first fully recyclable printed electronics. By demonstrating a crucial and relatively complex computer component—the transistor—created with three carbon-based inks, ...

Engineering

A simple way to turn 2D drawings into 3D objects

A team of researchers affiliated with several institutions in South Korea has developed a simple method for converting 2D drawings to 3D objects. In their paper published in the journal Science Advances, the group describes ...

Engineering

The perfect recipe for efficient perovskite solar cells

They have improved a process for vertically depositing a solution made from an inexpensive perovskite solute onto a moving substrate below. Not only have they discovered the crucial role played by one of the solvents used, ...

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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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