TTControl Vision 307 - Appearance; Acceptance Criteria for Dot-Shaped Foreign Material and Bubbles; Acceptance Criteria for Line-Shaped Foreign Material and Scratches

9. DEVICE FRONT
9.6 Appearance
9.6.1 Acceptance criteria for dot-shaped foreign material and bubbles
The following table specifies acceptance criteria for dot-shaped foreign material and bubbles in the viewing
area of the tempered glass and touchscreen.
Specification (mm) Acceptable quantity
0.1 < diameter ≤ 0.2 ≤ 3
0.2 < diameter ≤ 0.25 ≤ 2
diameter > 0.25 0
Definition: diameter = (L + W) / 2
Examples:
NOTE
Dot-shaped foreign material and bubbles with a diameter lower than the minimum threshold are ignored.
9.6.2 Acceptance criteria for line-shaped foreign material and scratches
The following table specifies acceptance criteria for line-shaped foreign material and scratches in the viewing
area of the tempered glass and touchscreen.
Specification (mm) Acceptable quantity
0.05 < W ≤ 0.1, L ≤ 3 ≤ 3
W > 0.1, L > 3 0
Examples:
NOTE
Line-shaped foreign material and scratches with W lower than the minimum threshold are ignored.
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Proprietary Information
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Document Number:
D-156-G-02-003