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Submission Breakthrough revolutionises microchip patterning

Stony Stevenson writes: US research engineers claim to have developed a low-cost technique for patterning microchips that allows them to create ultra-small grooves on microchips as easily as "making a sandwich". The simple, low-cost technique results in the self-formation of periodic lines, or gratings, separated by as little as 60nm, or less than one ten-thousandth of a millimetre.

Features of this size have many uses in optical, biological and electronic devices, including the alignment of liquid crystals in displays. The ease of creating the lines is in marked contrast to traditional fabrication methods, which typically use a beam of electrons, ions or a mechanical tip to 'draw' the lines into a surface.
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Breakthrough revolutionises microchip patterning

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We warn the reader in advance that the proof presented here depends on a clever but highly unmotivated trick. -- Howard Anton, "Elementary Linear Algebra"