Datasheet

DEM 480128A VMH-PW-N Production Specification
Version: 3 PAGE: 19
15 Touch Panel
D: Diameter W: width L: length
15.1 Spot: D<0.25 is acceptable
0.25≤D≤0.4
2dots are acceptable and the distance between defects should more than 10
mm.
D>0.4 is unacceptable
15.2 Dent: D>0.40 is unacceptable
15.3 Scratch: W≤0.03, L≤10 is acceptable,
0.03<W≤0.10, L≤10 is acceptable
Distance between 2 defects should more than 10 mm.
W>0.10 is unacceptable.
16 PCB
16.1 No distortion or contamination on PCB terminals.
16.2 All components on PCB must same as documented on the
BOM/component layout.
16.3 Follow IPC-A-600F.
17 Soldering Follow IPC-A-610C standard
18
Electrical Defect
(Major defect)
The below defects must be rejected.
18.1 Missing vertical / horizontal segment,
18.2 Abnormal Display.
18.3 No function or no display.
18.4 Current exceeds product specifications.
18.5 LCD viewing angle defect.
18.6 No Backlight.
18.7 Dark Backlight.
18.8 Touch Panel no function.
Remark: LCD Panel Broken shall be rejected. Defect out of LCD viewing area is acceptable.
12.7 Classification of Defects
12.7.1 Visual defects (Except no / wrong label) are treated as minor defect and electrical
defect is major.
12.7.2 Two minor defects are equal to one major in lot sampling inspection.
12.8 Identification/marking criteria
Any unit with illegible / wrong /double or no marking/ label shall be rejected.
12.9 Packing
12.9.1 There should be no damage of the outside carton box, each packaging box should
have one identical label.
12.9.2 Modules inside package box should have compliant mark.