DVD Recorder User Manual

17
Module Depth Aperture Width (x, mm) Aperture Height (y, mm)
(z) mm Max. Min. Max. Min.
0 8.76 6.80 3.66 1.70
1 9.92 7.33 4.82 2.33
2 11.07 7.87 5.97 2.77
3 12.22 8.41 7.12 3.31
4 13.38 8.94 8.28 3.84
5 14.53 9.48 9.43 4.38
6 15.69 10.01 10.59 4.91
7 16.84 10.55 11.74 5.45
8 18.00 11.09 12.90 5.99
9 19.15 11.62 14.05 6.52
Figure 20. Aperture width (X) vs. module depth.
Figure 21. Aperture height (Y) vs. module depth.
APERTURE WIDTH (X) – mm
25
MODULE DEPTH (Z) – mm
10
4 7
0
0 9
15
2 6
20
5
1 3 5 8
APERTURE WIDTH (X) vs. MODULE DEPTH
X MAX.
X MIN.
APERTURE HEIGHT (Y) – mm
16
MODULE DEPTH (Z) – mm
8
4 7
0
0 9
10
2 6
4
1 3 5 8
APERTURE HEIGHT (Y) vs. MODULE DEPTH
14
12
6
2
Y MAX.
Y MIN.
Window Material
Almost any plastic material will work as a window mate-
rial. Polycarbonate is recommended. The surface nish
of the plastic should be smooth, without any texture. An
IR lter dye may be used in the window to make it look
black to the eye, but the total optical loss of the window
should be 10% or less for best optical performance.
Light loss should be measured at 875 nm. The recom-
mended plastic materials for use as a cosmetic window
are available from General Electric Plastics.
Recommended Plastic Materials:
Material # Light Transmission Haze Refractive Index
Lexan 141 88% 1% 1.586
Lexan 920A 85% 1% 1.586
Lexan 940A 85% 1% 1.586
Note: 920A and 940A are more ame retardant than 141.