Method for removing electrically conductive paste from a screening mask
US4453984A · kind A · utility
1Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1982 |
| Grant date | Jun 12, 1984 |
| Priority date | — |
| Expiry date | Jun 30, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/3281
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for cleaning both polar and non-polar residue material from screening masks, wherein the mask is contacted with a liquid solvent that at least includes a solvent selected from the group consisting of N-Cyclohexyl-2-Pyrrolidone, N-Isopropyl-2-Pyrrolidone, Ethyl Hexyl Acetate, Dibutyl Cartitol and MAGIE OIL #543.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.