Patent ID: 9341884
Filing Date: 2016-05-17
CPC Classification: G02B,G02F

Claim Text:
1. A method of fabricating a liquid crystal on silicon (LCOS) device, comprising: forming a first dielectric layer on a silicon substrate; forming a first mirror layer on the first dielectric layer; forming a second dielectric layer on the first mirror layer; and forming a second mirror layer on the second dielectric layer, wherein a grain size of a material of the second mirror layer is less than a grain size of a material of the first mirror layer, wherein a width of the first mirror layer is wider than a width of the second mirror layer, the grain size of the material of the first mirror layer and the grain size of the material of the second mirror layer are capable of providing improved reflectance, a thickness of the first mirror layer is in a range of 2000-10000 Å, and a thickness of the second mirror layer is in a range of 800-2000 Å.