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LIGHT BASED 3D PRINTING

31/5/2022

DEPARTMENT OF ORGANIC AND MACROMOLECULAR CHEMISTRY

CENTER OF MACROMOLECULAR CHEMISTRY

POLYMER CHEMISTRY AND BIOMATERIALS GROUP

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Digital Light Processing (DLP)

Grigoryan et. al. Science 364, 458 (2019)

Theoretical background of light-based printing

  • Stereolithography-based methods
  • Point by point or layer by layer printing
  • Fast
  • Roboust
  • High resolution

  • Application:
    • Patient specific tissue engineering scaffolds
    • Microfluidic devices

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CellInk Lumen X+

Size 

24 x 43 x 41 cm (9.5 x 17 x 16.5 in) 

Weight 

9 kg (20 lbs)

Projected image 

1280 x 800 pixels

Pixel resolution (XY) 

50 μm 

Z-precision (motor-driven) 

5 μm 

Max Build volume 

65 x 40 x 50 mm 

Projected light wavelength 

405 nm 

Intensity range 

10 – 30 mW/cm2 

Distortion 

<1% 

Electrical Power Input 

100–265 VAC, 50–60 Hz, 100 W

Compatible file type 

.stl (stereolithography file)

Specifications

https://www.cellink.com/global/bioprinting/lumen-x/

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FormLabs Form2 SLA 3D printer

Size 

35 x 33 x 52 cm

Weight 

13 kg

Projected image 

1280 x 800 pixels

Pixel resolution (XY) 

140 μm 

Pixel resolution (Z) 

25/50/100 μm 

Max Build volume 

145 x 145 x 175 mm 

Projected light wavelength 

405 nm 

Laser power

250 mW 

Temperature range

RT or 35 °C

Electrical Power Input 

100–240 VAC, 50–60 Hz, 65 W

Compatible file type 

.stl (stereolithography file)

Specifications

https://formlabs.com/3d-printers/form-2/tech-specs/

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UpNano NanoOne Bio

Minimal horizontal feature size  

≥170 nm

Minimal vertical feature size  

≥550 nm

Minimal surface roughness

≤10 nm

Throughput up to

200 mm³/h

Writing speed

≥1000 mm/s

Accessible writing area

100x120 mm

Part height up to

40 mm

Printing with

living cells

Batch and small series

production

Desktop

System

Based on a

galvanometer scanner

Specifications

https://www.upnano.at/nanoone-bio/