Dmd Specification - ViewSonic LITE BIRD PJ875 Service Manual

(PI875 Service Manual |
7-2 DMD SPECIFICATION
Table 1. Physical and Optical Performance Parameters
Total T height Ge me Si aeaa et 10. 20 ea
Total width (mirror array) ae 14.42 ane
Differential (device to device) in mirror Note 1
position relative to mirror position (0,0)
Mor ake (alfa is a
Axis of rotation (upper right to lower left, 44.0 45 460'\ aeerwes
relative to array major axes) : : a
Flatness gradient over total mirror array ae ee ae % Note 4
Contrast ratio 225:1 | 250:1 ahead Note 5
Blemish intensity differential within active N/A | Note 7
area (excluding non-functional mirrors)
Parallelism of active area to system 0.25 Note 8
interface plane ;
Rotational angle between active area and
Combined tilt of active area relative to dechess:| Nola 8
system interface plane al
Window refractive index 1.477 | 1.487 | 1.497 —4 Note 9
Window transmissivity (including AR
coating, mearsure @420-700 nanometers)
Window flatness (@550 nanometers) -
spherical power/irregularity (astigmatism, 4/2 fringes | Note 9
etc.)
Window surface quality (inside only) Lol N/A Note 9
Opaque particle diameter (inside window Note
N/A
surface only) 7,9
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