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 25.0x25.0, +/-0.2mm; Cuttable and shaping to circular disc e.g. DIA25.0mm or less |
Pattern Mode: |
Single surface patterned; Concentric and symmetric design |
Pattern Design: |
Concentric circles without cross reticle; 3-circle line design:
Circle Line 1: outer circule with diameter D1 =12.000mm (+/-0.003mm);
Circle Line 2: middle circle with diameter D2 =7.000mm (+/-0.003mm); Black filled inside circle line 1 (see below).
Circle Line 3: inner diameter D3 =3.000mm (+/-0.003mm); Black filled inside circle line 3 (see below). |
Cross Reticle Line: |
None |
Pattern Tolerance: |
Within +/-3um |
Coating: |
Emulsion black |
Surface Quality: |
60-40 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 |
Application: |
Users may directly use this reticle or glue it tonto glass or metal surfaces(polished or ground) to work as imaging reticle/target, or for laser beam alignment use, to mount per customer's jig dimensions. Low cost and flexible in use. |
MOQ: |
MOQ = 2pcs; per standard T & C apply. |