Heidelberg DWL 2000 GS / DWL 4000 GS

Heidelberg DWL 2000 GS / DWL 4000 GS

High-Precision Grayscale Lithography Systems for Micro-Optics & More

  • Minimum Feature Size: 500 nm
  • Write Modes: Five options with variable write speeds and resolutions
  • Max Substrate Size: DWL 2000 GS: 200 x 200 mm², DWL 4000 GS: 400 x 400 mm²
  • Exposure Speed: Up to 1000 mm²/min in grayscale mode
  • Automation Ready: Loading system, carrier station, pre-aligner & scanner options available

 




Description

The DWL 2000 GS and DWL 4000 GS are industry-leading grayscale laser lithography systems, purpose-built for high-resolution, high-throughput 2.5D pattern generation. Designed for mask and wafer-level lithography, these systems excel in producing complex grayscale microstructures used in MEMS, ICs, micro-optics, microfluidics, holography, and security printing.

Engineered with a professional grayscale mode supporting up to 1023 gray levels, and a write area of up to 400 x 400 mm², these tools are perfect for wafer-level optics for telecommunications and display manufacturing. The integrated GenISys BEAMER software allows for 3D shape optimization, offering optical-quality surfaces with roughness as low as 5 nm.

Key Features & Benefits:

1023 Gray Level Exposure for 2.5D Structures

  • Enables creation of complex topographies for micro-lens arrays, holograms, reflectors, and more
  • Supports DXF, BMP, STL, X,Y,Z-ASCII file formats

High-Speed & High-Resolution Exposure

  • Minimum 500 nm feature size
  • Up to 1000 mm²/min grayscale write speed (DWL 4000 GS, Mode V)

Superior Exposure Quality

  • Edge roughness: 40 nm
  • CD uniformity: 60 nm
  • Alignment accuracy: 60 nm
  • 2nd layer alignment: 250 nm

Stable ISO 4 Cleanroom Environment

  • Integrated temperature-controlled flow box with ±0.1°C stability

Precision Autofocus System

  • Real-time optical or air-gauge autofocus
  • Compensation range up to 80 µm

Optimized for Micro-Optics & Industrial Production

  • Used for wafer-level optics, microfluidics, and high-end holography
  • Adopted by multinational corporations in telecom and illumination

Why Choose DWL 2000 GS / DWL 4000 GS?

  • Professional grayscale output with minimal surface roughness
  • Robust industrial design with air-bearing stage, fixed optics & real-time monitoring
  • Built-in cameras for alignment to existing features
  • Powerful layout optimization via GenISys BEAMER software
  • ISO 4-compatible chamber ensures process reliability
  • Scalable with automation-ready features for high-volume production

Available Modules & System Options:

Write Modes:

  • Mode I to V, offering balance between speed and resolution (up to 870 mm²/min for DWL 2000 GS, 1000 mm²/min for DWL 4000 GS)
  • Grayscale & binary lithography supported

Exposure Wavelength:

  • 405 nm diode laser

Autofocus Options:

  • Air-gauge or optical with 80 µm compensation range

GenISys BEAMER Software:

  • Advanced 3D proximity effect correction (3D-PEC) and exposure simulation

Automation Add-ons:

  • Substrate loading unit
  • Additional carrier station
  • Pre-aligner and scanner

System Specifications Summary:

Feature DWL 2000 GS DWL 4000 GS
Max Exposure Area 200 x 200 mm² 400 x 400 mm²
Write Speeds (Grayscale) Up to 870 mm²/min Up to 1000 mm²/min
Write Speeds (Binary) Up to 870 mm²/min Up to 1000 mm²/min
Grayscale Levels Up to 1023 Up to 1023
Autofocus Optical or Air-gauge Optical or Air-gauge
Environment ISO 4, ±0.1°C stability ISO 4, ±0.1°C stability
Minimum Feature Size 0.5 µm 0.5 µm
CD Uniformity / Edge Roughness 60 nm / 40 nm 60 nm / 40 nm
2nd Layer Alignment 250 nm 250 nm
System Dimensions 2350x1650x2100 mm, 3000 kg Same
Electrical Input 400V ± 5%, 16A Same

 

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FAQs (Frequently Asked Questions):

Who uses the DWL 2000 GS / 4000 GS systems?
Semiconductor fabs, telecoms, optical labs, and microfluidic developers use it for high-precision 2.5D lithography.

What grayscale applications are supported?
Microlenses, Fresnel lenses, holograms, blazed gratings, reflectors, fluidic channels, and more.

How is the grayscale quality controlled?
Exposure intensity is mapped pixel-by-pixel from 3D CAD input to ensure accurate height control.

Is the system suitable for large-scale industrial production?
Yes! With high write speeds, large exposure areas, and automation options, it’s ideal for volume manufacturing.

What automation options are available?
Substrate loading, pre-alignment, and scanning modules support seamless high-throughput operation.

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