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Optical  Substrates > BK7 Substrates Plates Wafers > BK7S-C-R-0200-0400
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| Name: |  DIA20.0xT4.0mm BK7 Glass Substrate(40-20 S/D) |  
| P/N: |  BK7S-C-R-0200-0400 |  | Keywords: | Dia20.0xT4.0mm,BK7 glass,40-20 S/D |  
| Unit Price: | 
S$18.00/pc
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| Available: | 
In stock
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| Request: | 
Add to Request List | 
 
| Introduction: | BK7 Optical Glass 40-20 Scratch and Dig (Double Side Typ.) Round Shape, Dia 20.0mm x Thk 4.00mm  |  
 
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|  Substrate Material:  | 
 BK7 Optical Glass |  
| Outer Diameter: | 
 20.0,+/-0.1mm |  
| Thickness: | 
 4.0,+/-0.05mm |  
| Surface Quality: | 
 Double side polished (40-20 scratch and dig, MIL Standard) |  
| Flatness: | 
 <Lambda/10 @ 632.8nm over 1-inch area on-jig tested |  
| Parallelism: | 
 <1 arc minute |  
| Chamfer: | 
0.3mmx45deg typ protection chamfer  |      | 
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