Inventor
HU CHAO-KUN
US41 patents
⚠️ This page may combine multiple inventors who share the name “HU CHAO-KUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
34 patentsUS6181012B1Jan 30, 2001
Copper interconnection structure incorporating a metal seed layer
IBM335 citations99
US8039966B2Oct 18, 2011
Structures of and methods and tools for forming in-situ metallic/dielectric caps for interconnects
IBM54 citations98
US6399496B1Jun 4, 2002
Copper interconnection structure incorporating a metal seed layer
IBM94 citations98
US6342733B1Jan 29, 2002
Reduced electromigration and stressed induced migration of Cu wires by surface coating
IBM506 citations98
US6063506AMay 16, 2000
Copper alloys for chip and package interconnections
IBM116 citations98
US6975032B2Dec 13, 2005
Copper recess process with application to selective capping and electroless plating
IBM85 citations97
US6709562B1Mar 23, 2004
Method of making electroplated interconnection structures on integrated circuit chips
IBM90 citations97
US6573606B2Jun 3, 2003
Chip to wiring interface with single metal alloy layer applied to surface of copper interconnect
IBM307 citations97
US6090710AJul 18, 2000
Method of making copper alloys for chip and package interconnections
IBM73 citations96
US5055158AOct 8, 1991
Planarization of Josephson integrated circuit
IBM78 citations95
US8013446B2Sep 6, 2011
Nitrogen-containing metal cap for interconnect structures
IBM26 citations93
US8056039B2Nov 8, 2011
Interconnect structure for integrated circuits having improved electromigration characteristics
IBM23 citations92
US7301236B2Nov 27, 2007
Increasing electromigration lifetime and current density in IC using vertically upwardly extending dummy via
IBM18 citations92
US7064064B2Jun 20, 2006
Copper recess process with application to selective capping and electroless plating
IBM22 citations92
US7247946B2Jul 24, 2007
On-chip Cu interconnection using 1 to 5 nm thick metal cap
IBM35 citations91
US6448173B1Sep 10, 2002
Aluminum-based metallization exhibiting reduced electromigration and method therefor
IBM21 citations91
US6380075B1Apr 30, 2002
Method for forming an open-bottom liner for a conductor in an electronic structure and device formed
IBM36 citations91
US9472477B1Oct 18, 2016
Electromigration test structure for Cu barrier integrity and blech effect evaluations
IBM6 citations84
US7893520B2Feb 22, 2011
Efficient interconnect structure for electrical fuse applications
IBM9 citations84
US7737528B2Jun 15, 2010
Structure and method of forming electrically blown metal fuses for integrated circuits
IBM12 citations84
US7468320B2Dec 23, 2008
Reduced electromigration and stressed induced migration of copper wires by surface coating
IBM14 citations84
US7439173B2Oct 21, 2008
Increasing electromigration lifetime and current density in IC using vertically upwardly extending dummy via
IBM13 citations84
US9111938B2Aug 18, 2015
Copper interconnect with CVD liner and metallic cap
IBM5 citations83
US6946716B2Sep 20, 2005
Electroplated interconnection structures on integrated circuit chips
IBM16 citations82
US10192829B2Jan 29, 2019
Low-temperature diffusion doping of copper interconnects independent of seed layer composition
IBM3 citations73
US9754891B2Sep 5, 2017
Low-temperature diffusion doping of copper interconnects independent of seed layer composition
IBM3 citations73
US10943863B2Mar 9, 2021
Techniques to improve reliability in Cu interconnects using Cu intermetallics
IBM0 citations63
US6503641B2Jan 7, 2003
Interconnects with Ti-containing liners
IBM5 citations62
US8026166B2Sep 27, 2011
Interconnect structures comprising capping layers with low dielectric constants and methods of making the same
IBM3 citations59
US11557482B2Jan 17, 2023
Electrode with alloy interface
IBM0 citations52
US10818590B2Oct 27, 2020
Techniques to improve reliability in Cu interconnects using Cu intermetallics
IBM0 citations52
US10580740B2Mar 3, 2020
Low-temperature diffusion doping of copper interconnects independent of seed layer composition
IBM0 citations52
US10461026B2Oct 29, 2019
Techniques to improve reliability in Cu interconnects using Cu intermetallics
IBM0 citations52
US9759766B2Sep 12, 2017
Electromigration test structure for Cu barrier integrity and blech effect evaluations
IBM0 citations52
YANG CHIH-CHAO
5 patentsUS8232196B2Jul 31, 2012
Interconnect structure having a via with a via gouging feature and dielectric liner sidewalls for BEOL integration
YANG CHIH-CHAO31 citations93
US8796853B2Aug 5, 2014
Metallic capped interconnect structure with high electromigration resistance and low resistivity
YANG CHIH-CHAO17 citations84
US8133767B2Mar 13, 2012
Efficient interconnect structure for electrical fuse applications
YANG CHIH-CHAO9 citations84
US8823176B2Sep 2, 2014
Discontinuous/non-uniform metal cap structure and process for interconnect integration
YANG CHIH-CHAO2 citations59
US8889546B2Nov 18, 2014
Discontinuous/non-uniform metal cap structure and process for interconnect integration
YANG CHIH-CHAO0 citations49