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Z&Z OPTOELECTRONIC TECH
13 ren min nan lu
Chengdu
Sichuan
China

Tel: 0086-28-85216919
Fax: 0086-28-85255889

B270, BK7 Wafer Jan 24, 2008

Window wafer has two parallel surfaces. It is used as protective component in two different working environments and avoiding interfere of two different waves.

B270 and BK7 wafers are broadly used for filter and IC.

L(mm) W(mm) Thickness(mm) SurfaceFlatness(λ=632.8nm) Surface
Quality
50.0 50.0 1.0 3λ 20/10
60.0 60.0 1.0 5λ 20/10
50.8 50.8 1.5 5λ 20/10
101.6 101.6 1.0 8λ 40/20
127.0 127.0 1.5 9λ 40/20
152.4 152.4 1.0 10λ 40/20

SPECIFICATIONS:

Material B270, BK7
Length\Width Tolerance +0.0/-0.2mm
Thickness Tolerance ±0.05mm
Wedge 1 Arc Min
Bevel 0.1 mm x45º~0.2mmx45º
Clear Aperture ≥90%