Merge mandrel features
US10741439B2 · kind B2 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2019 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | May 14, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L23/53271
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to semiconductor structures and, more particularly, to merged mandrel lines and methods of manufacture. The structure includes: at least one metal line having a first dimension in a self-aligned double patterning (SADP) line array; and at least one metal line having a second dimension inserted into the SADP line array, the second dimension being different than the first dimension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.