Ink solutions for microcontact printing
US9027480B2 · kind B2 · utility
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3References
27Claims
0Family size
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Key dates
| Filing date | Dec 15, 2008 |
| Grant date | May 12, 2015 |
| Priority date | — |
| Expiry date | Mar 3, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K3/061
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink solution comprises (a) a solvent having (i) a boiling point between about 50° C. and about 100° C., (ii) a relative polarity of less than about 0.4, and (iii) a poly(dimethylsiloxane) swelling ratio of less than about 1.25; and (b) one or more dissolved organosulfur compounds, wherein each organosulfur compound has 10 or more carbon atoms. The one or more organosulfur compounds are present in a total concentration of at least about 3 mM, and the ink solution contains essentially no solid particles of the organosulfur compounds or solid particles derived from the organosulfur compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.