Coating processes – Nonuniform coating
Reexamination Certificate
2005-02-14
2009-02-17
Huff, Mark F. (Department: 1795)
Coating processes
Nonuniform coating
C977S857000, C977S863000, C977S879000, C250S307000, C430S005000
Reexamination Certificate
active
07491422
ABSTRACT:
A novel method of transporting ink to a substrate with dip-pen nanolithographic (DPN) stamp tips coated with polymer (e.g., polydimethylsiloxane (PDMS), etc.). This kind of tip adsorbs chemicals (“inks”) easily and is used to generate DPN nanopatterns that are imaged with the same tip after a DPN process. This method builds a bridge between micro-contact printing (μCP) and DPN, making it possible for one to easily generate smaller structures of any molecules that have been patterned by the μCP technique. The easy tip-coating and writing process enriches the state-of-the-art DPN technique. The sub-100 nm DPN resolution obtained by using this kind of novel tip is comparable to that with a conventional Si3N4probe tip. Importantly, the unique stamp tip was able to transfer solvent (e.g., liquid “ink”) onto a substrate, resulting in fabrication of hollow nanostructures with only one DPN holding/writing step. Inks comprising metals and sol-gel materials are noted, as well as applications in photomask repair, enhancement, and fabrication.
REFERENCES:
patent: 5172131 (1992-12-01), Crystal et al.
patent: 5268396 (1993-12-01), Lai
patent: 5411795 (1995-05-01), Silverman
patent: 6229609 (2001-05-01), Muramatsu et al.
patent: 6635311 (2003-10-01), Mirkin et al.
patent: 2004/0127025 (2004-07-01), Crocker, Jr. et al.
patent: 2004/0175631 (2004-09-01), Crocker et al.
patent: 2005/0235869 (2005-10-01), Cruchon-Dupeyrat et al.
Genolet, G., et al., “Soft, entirely photoplastic probes for scanning force microscopy”, Rev. Sci. Instrum., vol. 70, No. 3, pp. 2398-2401 (1999).
Pechmann, R., et al, “The Novolever: A new cantilever for scanning force microscopy microfabricated from polymeric materials”, Rev. Sci. Instrum., vol. 65, No. 12, pp. 3702-3706 (1994).
Amro Nabil
Cruchon-Dupeyrat Sylvain
Demers Linette
Disawal Sandeep
Elghanian Robert
Foley & Lardner LLP
Huff Mark F.
Nanoink, Inc.
Ruggles John
LandOfFree
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