H10W 72/20 Bump connectors, e.g. solder bumps or copper pillars; Dummy bumps; Thermal bumps
Introduced: January 2026
Full Title
Interconnections or connectors in packages > Bump connectors, e.g. solder bumps or copper pillars; Dummy bumps; Thermal bumps
Additional Content IPC
bump connector bump connectors a bump that provides electrical connection. Examples include solder balls or copper pillars.an electrically-conductive connector on the electrodes or bond pads of a chip or package part, for electrical connection between objects. Examples include solder balls or copper pillars. dummy bump dummy bumps a bump having similar properties to a bump connector (such as shape or material), for purposes other than electrical connection, such as mechanical connection. thermal bump thermal bumps a bump having similar properties to a bump connector (such as shape or material), for purposes other than electrical connection, such as for thermal connection between objects.
CPC subdivides this area 7x more granularly than IPC with 6 additional codes.
6 codes are CPC-only extensions.
IPC defines codes here since 2026.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class H10,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG DISPLAY KR 21,044
- SAMSUNG ELECTRONICS COMPANY KR 14,774
- LG DISPLAY COMPANY KR 9,454
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 8,301
- SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 7,642
- BOE TECHNOLOGY GROUP COMPANY 6,845
- BOE TECHNOLOGY GROUP COMPANY CN 6,806
- SAMSUNG DISPLAY 6,577
- LG CHEM KR 5,461
- SEMICONDUCTOR ENERGY LABORATORY COMPANY 5,115
Top Applicants (CPC)
Class H10,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG DISPLAY KR 38,446
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 30,922
- SAMSUNG ELECTRONICS COMPANY KR 30,059
- BOE TECHNOLOGY GROUP COMPANY CN 20,304
- LG DISPLAY COMPANY KR 17,772
- BOE TECHNOLOGY GROUP COMPANY 15,621
- SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 13,629
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 11,750
- SAMSUNG DISPLAY 11,316
- SEMICONDUCTOR ENERGY LABORATORY COMPANY 9,697