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Hitachi

Laser Application Technology

The Technology to Anneal and Crystallize the object with Semiconductor Laser

We have the Semiconductor Laser Application Technology which is based on the development experience of optical disc manufacturing machines over many years.
We can provide the Laser Irradiation Machine suitable for customer’s various purposes and uses.

  • Line shape laser spot is possible by using Spot Forming Technology.
  • Controlling various wavelengths (405 - 810nm) of laser.
  • Auto Focus Technology for Annealing multi layer thin film, low reflectivity substrate and wafer.

Laser Control Technology Auto Focus Technology Spot Forming Technology

Provided Equipment
Initializer The recording layer of phase-change optical discs, such as CD, DVD, and Blu-ray Disc, is irradiated with laser, and the recording surface of disc is crystallized at high speed.
BCA Writer
(Burst Cutting Area) 		The BCA Code for copy control is recorded on DVD and Blu-ray Disc.
Semiconductor Laser Annealing Tool Annealing, Punching and Cutting Process, etc. for thin film, substrate, wafer and others.