6-5
3-2. Defective faceplate
1) Bubble, Stone, and Blister, etc.
Mean diameter (*1)
Acceptable number of defect
Minimum interval
(mm)
Zone A
Zone B
A + B
(mm)
0.76
0
0
0
0.51 ~ 0.75
0
1
1
0.26 ~ 0.50
2
3
5
30
0.11 ~ 0.25
-
-
-
(*2)
Note (*1) Mean diameter shall be either one of the following values, which is smaller.
(a + b) / 2 or a / 20 + 2b (a: length, b: width)
Note (*2) Maximum 5 pcs. In area of
Φ
10mm.
2) Scratch
Width more than 0.16mm
Not acceptable.
Width 0.11mm ~ 0.15mm
Length shall be less than 3mm
Width 0.06mm ~ 0.10mm
Length shall be less than 26mm
Width less than 0.05mm
No length limitation
3) Other glass defect
Flaw, crack and chip must not be visually noticeable.
See the limitation sample regarding iron rust and striae, etc.
