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ITEM
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2012
|
2013 |
2014 |
Min.
Line Width
|
Inner |
80㎛
|
70㎛
|
60㎛ |
Outer
|
90㎛
|
80㎛
|
70㎛ |
Min.
Laser Micro Via Size
|
0.1mm
|
0.08mm
|
0.07mm |
Min.
Laser Mechanical Via Size
|
0.2mm
|
0.15mm
|
0.15mm |
Impedance
Control
|
8%
|
7%
|
6% |
Max.
Layer
|
22
|
24
|
26 |
Solder
Mask Dam Size
|
80㎛
|
60㎛ |
50㎛ |
Solder
Mask Clearance Size
|
60㎛
|
50㎛
|
40㎛ |
Annular
Ring Size
|
80㎛
|
70㎛
|
60㎛ |
| Aspect
Ratio |
7
|
8
|
10 |
Finish
|
ENIG, Hard Gold, Soft Gold,
HSAL, Lead-Free HSAL, |
| OSP, Immersion Tin |
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