Inventor
AMOAH YOBA
US11 patents
⚠️ This page may combine multiple inventors who share the name “AMOAH YOBA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
7 patentsUS9690051B2Jun 27, 2017
Backside binary grated lens coupled to front side waveguide
IBM2 citations70
US11409046B2Aug 9, 2022
Backside binary grated lens coupled to front side waveguide
IBM0 citations60
US9910223B2Mar 6, 2018
Backside binary grated lens coupled to front side waveguide
IBM1 citations60
US10605992B2Mar 31, 2020
Backside binary grated lens coupled to front side waveguide
IBM0 citations49
US9709748B2Jul 18, 2017
Frontside coupled waveguide with backside optical connection using a curved spacer
IBM0 citations49
US9607929B2Mar 28, 2017
Tsv wafer with improved fracture strength
IBM0 citations48
US9312205B2Apr 12, 2016
Methods of forming a TSV wafer with improved fracture strength
IBM0 citations48
AMOAH YOBA
4 patentsUS8691690B2Apr 8, 2014
Contact formation method incorporating preventative etch step reducing interlayer dielectric material flake defects
AMOAH YOBA2 citations57
US8637403B2Jan 28, 2014
Locally tailoring chemical mechanical polishing (CMP) polish rate for dielectrics
AMOAH YOBA1 citations47
US8890557B2Nov 18, 2014
Built-in self-test method and structure
AMOAH YOBA1 citations46
US9136222B2Sep 15, 2015
Chip identification pattern and method of forming
AMOAH YOBA0 citations36