Reflection reducing multilayer system on a highly refractive infrared transmitting substrate
AssigneeBalzers Patent und Beteiligungs AG
InventorsDionys Hacman, Adolf Keutschegger
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Abstract
A reflection reducing system on a highly refractive infrared transmitting substrate, comprises a germanium layer immediately adjacent the substrate, an adjoining layer of zinc selenide, and at least one layer of Al.sub.2 O.sub.3 terminating the layer system to the outside.
Claims10
A reflection reducing multilayer system on a germanium substrate, said system comprising four individual layers arranged in sequence as follows:
- Ge, ZnSe, Si and Al.sub.2 O.sub.3.
A reflection reducing multilayer system according to claim 7, wherein said germanium layer is 1.5 nm.
A reflection reducing system according to claim 7, wherein the thickness of ZnSe is 135 nm.
A reflection reducing multilayer system on a silicon substrate, said system comprising four successive individual layers in the following sequence:
- Ge, ZnSe, Ge, and Al.sub.2 O.sub.3.
Dependencies are inferred from the claim text.