Patent ID: 11947238
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A multilayer thin-film structure comprising:
at least one crystallization preventing layer; and
at least one dielectric layer,
wherein the at least one crystallization preventing layer comprises an amorphous material,
wherein a thickness of the at least one crystallization preventing layer is less than a thickness of the at least one dielectric layer,
wherein the at least one crystallization preventing layer and the at least one dielectric layer are alternately stacked,
wherein a root mean square value of surface roughness of an uppermost surface of the multilayer thin-film structure is less than or equal to 2.5 nm, and
wherein a sum of thicknesses of all of the at least one crystallization preventing layer is less than or equal to 5% of a total thickness of all of the at least one crystallization preventing layer and all of the at least one dielectric layer.