G11C 11/06 using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element
Introduced: September 1968
Full Title
Full titles differ between systems:
Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor > using magnetic elements > using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element
Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor (G11C14/00 - G11C21/00 take precedence) > using magnetic elements > using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element
CPC subdivides this area 3x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
IPC defines codes here since 1974.
Child Classifications
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- G11C 11/061 using elements with single aperture or magnetic loop for storage, one element per bit, and for destructive read-out since 1974 IPC+CPC Available in IPC and CPC
- G11C 11/067 using elements with single aperture or magnetic loop for storage, one element per bit, and for non-destructive read-out since 1974 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class G11,2013–2023, worldwide · Source: EPO PATSTAT
- MICRON TECHNOLOGY US 10,574
- SK HYNIX KR 9,138
- SAMSUNG ELECTRONICS COMPANY KR 9,004
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 3,739
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 3,443
- INTEL CORPORATION US 2,952
- SANDISK TECHNOLOGIES US 2,905
- WESTERN DIGITAL TECHNOLOGIES US 2,630
- TOSHIBA CORPORATION JP 2,593
- SEAGATE TECHNOLOGY US 2,472
Top Applicants (CPC)
Class G11,2013–2023, worldwide · Source: EPO PATSTAT
- MICRON TECHNOLOGY US 12,397
- SAMSUNG ELECTRONICS COMPANY KR 12,238
- SK HYNIX KR 11,371
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 4,601
- INTEL CORPORATION US 3,874
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 3,866
- SANDISK TECHNOLOGIES US 3,151
- SK HYNIX 3,143
- SAMSUNG ELECTRONICS COMPANY 3,073
- WESTERN DIGITAL TECHNOLOGIES US 2,961