Photolithographic methods
US8697338B2 · kind B2 · utility
7Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2012 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Sep 9, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L21/3081
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided are photoresist overcoat compositions, substrates coated with the overcoat compositions and methods of forming electronic devices by a negative tone development process. The compositions, coated substrates and methods find particular applicability in the manufacture of semiconductor devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.