Donor elements and processes for thermal transfer of nanoparticle layers

US8308886B2 · kind B2 · utility

Assignee

• E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

• Gerald Donald Andrews · Hockessin, US
• Marc B. Goldfinger · West Chester, US
• Mark Andrew Harmer · Kennett Square, US
• Gary Delmar Jaycox · West Chester, US
• Lynda Kaye Johnson · Wilmington, US
• Irina Malajovich · Swarthmore, US
• William J. Marshall · Wilmington, US
• Elizabeth Forrester McCord · Hockessin, US
• Charles Nehemiah McEwen · Newark, US
• Jeffrey Scott Meth · Landenberg, US
• Richard Kevin Bailey · Newark, US
• Geoffrey Nunes · Swarthmore, US
• Rinaldo S. Schiffino · Wilmington, US
• Paul J. Shannon · Exton, US
• Kenneth George Sharp · Landenberg, US
• Karyn B. Visscher · Voorhees, US
• Graciela Beatriz Blanchet · Boston, US
• John Catron · Smyrna, US
• Reid John Chesterfield · Lompoc, US
• Thomas C. Felder · Pannal, GB
• Feng Gao · Beijing, CN
• Howard David Glicksman · Durham, US

Key dates

• Filing date: Jul 17, 2006
• Grant date: Nov 13, 2012
• Expiry date: Jan 5, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/24901
• WIPO field: Audio-visual technology
• WIPO sector: Electrical engineering

Abstract

The invention discloses processes for thermal transfer patterning of a nanoparticle layer and a corresponding proximate portion of a carrier layer, and optionally additional transfer layers, together onto a thermal imaging receiver. The invention is useful for dry fabrication of electronic devices. Additional embodiments of the invention include multilayer thermal imaging donors comprising in layered sequence: a base film, a carrier layer and a nanoparticle layer. The carrier layer can be a dielectric or conducting layer. When the carrier layer is a dielectric layer, the base film includes a light attenuating agent in the form of a dye or pigment.