Heidelberg DWL 66+

Heidelberg Direct Write tool
Equipment manager
Vijay Krishnan
Equipment manufacturer
Heidelberg
Equipment model
DWL 66+
Equipment technique
Deputy equipment manager
Steve Etienne

The Heidelberg direct writer features

- laser wavelength 375nm, 70mW.

- micro and macro cameras in the front and back of sample.

- filtered flow box contains internal heating system- temperature stable at +/-0.1deg C. T set at 22.7deg C (doors closed).

- air levelled granite table (against vibrations)

- positioning interferometer accuracy: 10 nm

- two write heads:

Write head

2 mm

10 mm

Smallest feature (nm)

400-600

950-1000

Speed

5mm2/sec

20x faster than 2mm write head

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