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DIFF Subgroup
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

  1. SAMSUNG DISPLAY KR 21,044
  2. SAMSUNG ELECTRONICS COMPANY KR 14,774
  3. LG DISPLAY COMPANY KR 9,454
  4. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 8,301
  5. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 7,642
  6. BOE TECHNOLOGY GROUP COMPANY 6,845
  7. BOE TECHNOLOGY GROUP COMPANY CN 6,806
  8. SAMSUNG DISPLAY 6,577
  9. LG CHEM KR 5,461
  10. SEMICONDUCTOR ENERGY LABORATORY COMPANY 5,115

Top Applicants (CPC)

Class H10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 38,446
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 30,922
  3. SAMSUNG ELECTRONICS COMPANY KR 30,059
  4. BOE TECHNOLOGY GROUP COMPANY CN 20,304
  5. LG DISPLAY COMPANY KR 17,772
  6. BOE TECHNOLOGY GROUP COMPANY 15,621
  7. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 13,629
  8. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 11,750
  9. SAMSUNG DISPLAY 11,316
  10. SEMICONDUCTOR ENERGY LABORATORY COMPANY 9,697