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Class D area => Socket of battery, inner side of battery cover, Antenna, and battery connector.
Description
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D: Diameter / L: Length / W: Width / N: Number of defects/ S: Distance from dot to dot
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Inspecting distance: 30 ± 5cm / Mechanical inspection angle：90 degrees /
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LCM inspection angle：90±15 degrees / Inspection time:5 secs per surface.
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Ambient illumination is to be 500-1100 lux
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The inspection condition of Newton ring:
1.
Inspection distance: 30cm / Inspection time: 5 sec
2.
Ambient illumination is to be 500-1000 Lux (Incandescent lamp)
3.
Inspection should be performed under the condition that LCD screen could reflect the mirror
image of lamp.
4.
The criteria of Newton ring's tinges and measure of area must follow up the worst-case sample.
5.
The area of Newton ring:
For less than 2.8 inch LCM, the area is smaller than 7*7 square mm
For 2.8 to 7 inch LCM, the area is smaller than 10*10 square mm
HTC CONFIDENTIAL
68
IS-5344-01-R3
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