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 ...

Consumer & Gadgets

New E Ink color display features flicker-free video

A Chinese multinational electronics company has developed a new type of screen technology that provides sharper graphics than traditional E Ink displays, with less power consumption, no backlight and an ability to display ...

Engineering

Coffee stains inspire optimal printing technique for electronics

Have you ever spilled your coffee on your desk? You may then have observed one of the most puzzling phenomena of fluid mechanics—the coffee ring effect. This effect has hindered the industrial deployment of functional inks ...

Engineering

Multimaterial 3-D printing manufactures complex objects, fast

3-D printers are revolutionizing manufacturing by allowing users to create any physical shape they can imagine on-demand. However, most commercial printers are only able to build objects from a single material at a time and ...

Consumer & Gadgets

E Ink broadens product mix, shows 32-inch display

Mention E Ink, and most people familiar with the company name associate it with a product for e-readers, but the company has been spreading its wings to apply its technology in broader areas. Technology watchers see E Ink ...

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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