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Table 4 Defect Inspection
Average Diameter
smaller of (L+W)/2 or L/20+2W
<0.1mm
0.1 mm -0.3 mm
0.31 mm - 0.5 mm
0.51 mm - 1.25 mm
1.26 mm - 2.5 mm
2.51 mm - 3.75 mm
Greater than 3.75 mm
Allowable distance between spots of two sizes is the minimum separation number for the smaller spot.
Therefore, if there are two spots, 1.30 mm and 0.4 mm in diameter, they must be at least 15 mm apart.
11.0 USB 2.0 HUB
The USB hub shall be powered by the internal supply of the monitor. The communication protocol shall
comply with USB specification revision 2.0. A single upstream connector shall serve as connection to the
CPU or other USB hub. Each of the 2 downstream ports shall include current-limited power of 5VDC at
500mA for use by an attached device.
USB Signals
USB signals shall meet the timing and signal level standards for high speed devices set forth by industry
standard USB specification revision 2.0. Each downstream port shall provide 5VDC at up to 500mA for
use by an attached USB device.
Communication Protocol
USB connections shall be established via 4-conductor USB cables. USB cables must be shielded in
accordance with the USB specification for high speed devices.
Protocol Parameters
The USB hub and associated ports shall be compliant with the USB specification for high speed devices.
The USB device speed shall be 480 Mbit/sec. The maximum polling rate shall be every 256 ms.
2004-10-01
Alger Huang
Acceptable Number
Non countable
10
10
5
3
3
none
32
2004-10-01
HP L1740
Go to cover page
Minimum separation
N/a
15 mm
15 mm
15 mm
25.4 mm
25.4 mm
Not applicable
8639 000 15861
590
27
85
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