DIFF Subgroup
H10W 72/30 Die-attach connectors
Introduced: January 2026
Full Title
Interconnections or connectors in packages > Die-attach connectors
Additional Content IPC
die-attach connector die-attach connectors a connector for bonding or mounting of a chip, primarily intended for mechanical connection. Examples include: (a) an insulating adhesive to connect the inactive surface of a chip to a package substrate; (b) a conductive solder or sintered layer to connect the inactive side of a chip to a leadframe.
Of 6 combined children, 0 exist in both systems.
6 codes are CPC-only extensions.
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