
An Introduction to Direct Laser Writing (DLW)
1. What is Two-Photon Direct Laser Writing (DLW)? Two-photon direct laser writing (DLW) is 3D printing for the microscopic world. This techniques goes beyond the smallest shapes and sizes that can be accomplished by garden variety 3D printing. The highest resolution that can be achieved by DLW is typically few micron to sub-micron range. To
Chemistry
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This post deals with the a new method for mulimaterials two-photon lithography from the paper entitled “Multimaterial 3D laser microprinting using an integrated microfluidic system” published in Science Advances[1] . Facile integration of multiple photoresists into a multilayer, multimaterial structure has been accomplished

Muscled Microstructures
Researcher’s led by Prof. Hongbo Sun at Tsinhua university, Beijing has put the protein bovine serum albumin (BSA) to use as a muscle in microstructures. Microstructures fabricated by two-photon laser direct writing constituted two different polymers. Major part of the strutcure was constructed from the epoxy bisphenol-A based photoresist SU8. Additional features of photo-crosslinked BSA
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Researcher’s led by Prof. Hongbo Sun at Tsinhua university, Beijing has put the protein bovine serum albumin (BSA) to use as a
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This post deals with the a new method for mulimaterials two-photon lithography from the paper entitled “Multimaterial 3D laser microprinting using an integrated
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Commercial direct laser writing systems are relatively new with the first firms offering such products emerging around 2007. The following is a
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Dip-in two-photon lithography (DTPL) system was developed to overcome some limitations of the conventional TPL system (Figure 1). In dip-in two-photon lithography
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Standard configuration of two-photon lithography system
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This video demonstration of two-photon lithography (laser direct writing) shows the fabrication of a microscopic castle on top a pencil lead. It
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This video demonstration of two-photon lithography (laser direct writing) shows the fabrication of a microscopic castle on top a pencil lead. It
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