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Hologram Unit
HUL7001
Hologram Unit
For optical information processing
4.8±0.1 0.8×5=4.0±0.2
Index mark for No.1 pin on reverse side 11.2±0.2 8.2±0.2 ø8.0 +0 –0.05 1 2 3 4 5 6 (0.2) (0.5)
2.55±0.2 0.25 Lead frame 3.0±0.2
Unit : mm
Features
Smaller package size achieved through micro-mirror integration (4.8 × 8.2 × 4.3 mm) Focus error signal detection : SSD method Tracking error signal detection : 3-beam method Low-power semiconductor laser included
(0.3)
O Y Reference plane
Reference plane Apparent emitting point Apparent emitting point Reference plane
Applications
CD
SEC. X-O-Y (Note): 1.Standard corner R=0.20 max. 2.Thickness of plate:Ni 1µm min.+Au 0.1µm min. 3.Thickness of hologram=2.0mm, n=1.