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Location: Main > Optical Substrates > BK7 Substrates Plates Wafers > BK7S-C-S-07620762-0040
Name: 76.2x76.2xT0.4mm BK7 Glass Substrate(40-20 S/D)
P/N: BK7S-C-S-07620762-0040
Keywords:76.2x76.2xT0.4mm,BK7 glass,40-20 S/D DSP
Unit Price: S$120.00/pc
Available: Call us
Request: Add to Request List
BK7S  BK7 Optical Glass
C     40-20 Scratch and Dig (Double Side Typ.)
      < Lambda/10 @ 632.8nm over 25mm area on-jig tested
S     Square Shape

C-Grade BK7 substrates, slides, wafers and windows are good coating substrates.
Substrate Material:  BK7 Optical Glass
Outer Dimension:  76.2x76.2,+/-0.1mm
Thickness:  0.40,+/-0.05mm
Surface Quality:  Double side polished (40-20 scratch and dig, MIL Standard)
Flatness:  < Lambda/10 @ 632.8nm over 25mm area on-jig tested
Parallelism: <1 arc minute 
Edge Surfaces:  Ground surfaces, with 0.15mm x 45deg beveled; 4-corner with 0.5mm x45 deg chamgered