Invention Grant
- Patent Title: Backside binary grated lens coupled to front side waveguide
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Application No.: US15439070Application Date: 2017-02-22
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Publication No.: US09910223B2Publication Date: 2018-03-06
- 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 Mlotkowski Safran Cole & Calderon P.C.
- Agent Steven Meyers; Andrew M. Calderon
- Main IPC: G02B6/34
- IPC: G02B6/34 ; G02B6/12 ; G02B6/32 ; G02B6/26 ; G02B6/42
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
- US20170160483A1 BACKSIDE BINARY GRATED LENS COUPLED TO FRONT SIDE WAVEGUIDE Public/Granted day:2017-06-08
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