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Substrate size
Typical dimensions of substrate:
Substrate size
Tolerance
50.8*50.8
±0.2
76.2*76.2
±0.3
101.6*101.6
±0.4
Substrate thickness
The thickness of the substrate is 0.1-3mm, with typical thicknesses of 0.254mm, 0.381mm, 0.508mm, and 0.635mm.
±0.005
Thickness |
Tolerance of Thickness |
||
|
Immediate firing type |
Grinding type |
Polished type |
0.127 |
±0.012 |
±0.005 |
±0.005 |
0.254 |
±0.025 |
±0.005 |
|
0.381 |
±0.038 |
±0.005 |
±0.005 |
0.508 |
±0.050 |
±0.01 |
±0.01 |
0.635 |
±0.063 |
±0.01 |
±0.01 |
0.762 |
±0.076 |
±0.01 |
±0.01 |
1.016 |
±0.10 |
±0.01 |
±0.01 |
Technical level
Substrate type
Surface roughness
Warpage
Immediate firing type
Front side:≤100nm
Opposite side:≤200nm
0.3%
Grinding type
As per customer requirement
0.1%
Polished type
≤25nm
0.1%