Invention Grant
- Patent Title: Backside binary grated lens coupled to front side waveguide
-
Application No.: US16739418Application Date: 2020-01-10
-
Publication No.: US11409046B2Publication Date: 2022-08-09
- Inventor: Yoba Amoah , Brennan J. Brown , John J. Ellis-Monaghan , Ashleigh R. Kreider
- Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
- Applicant Address: US NY Armonk
- Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
- Current Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
- Current Assignee Address: US NY Armonk
- Agency: Roberts Calderon Safran & Cole, P.C.
- Agent Kelsey Skodje; Andrew M. Calderon
- Main IPC: G02B6/12
- IPC: G02B6/12 ; G02B6/26 ; G02B6/32 ; G02B6/34 ; G02B6/30 ; G02B6/10 ; G02B6/293 ; G02B6/42 ; G02B6/35
Abstract:
A wafer structure includes a diffractive lens disposed on a backside of a wafer and coupled to a front side waveguide, the diffractive lens being configured to receive light and focus the light to the front side waveguide.
Public/Granted literature
- US20200150348A1 BACKSIDE BINARY GRATED LENS COUPLED TO FRONT SIDE WAVEGUIDE Public/Granted day:2020-05-14
Information query
