Substrate Material: |
Mylar, Polyester; High optical transmission compatible to optical glass |
Refractive Index: |
1.640-1.670nm (wavelength band of 250-2500nm) |
Melting Point: |
254 deg C |
Thickness: |
200um,+/-25um |
Out Dimension: |
Square 108.5x135.0, +/-0.2mm; |
Pattern Mode: |
Single surface patterned; |
Pattern Design: |
Dot design with grid of 25x19 = total 475 dots. |
Dot Diameter |
Diameter 3,000um, tolerance within 3um |
Dot Pitch Size/Spacing: |
Center-to-center distance: 5,000um, tolerance within 3um |
Pattern Coverage |
As shown below - drawing |
Coating: |
Emulsion black with optical denstity(OD) 4.7 - 4.9 @ 550nm |
Surface Quality: |
60-40/80-100 scratch and dig (Ra within 38nm scanned by profilometer) |
Substrate Unifromity: |
within 2um |
Surface Protection: |
Both surfaces come protection layers; Peel off these 2 protection layers before use |
MOQ: |
NA |