Lamination transfer films for forming reentrant structures

US10220600B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Martin B. Wolk · Woodbury, US
• Olester Benson, Jr. · Woodbury, US
• Terry O. Collier · Woodbury, US
• Michael Benton Free · Stillwater, US
• Adam J. Meuler · Woodbury, US
• Justin P. Meyer · Oakdale, US
• Evan L. Schwartz · Teaneck, US

Key dates

• Filing date: Jan 9, 2015
• Grant date: Mar 5, 2019
• Expiry date: Jan 9, 2035

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2102/331
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

Transfer films comprising a carrier film, a sacrificial template layer deposed on the carrier film and comprising reentrant forming template features, and a thermally stable backfill layer having a first surface conforming to the reentrant forming template features and forming reentrant features and an opposing planar second surface; and methods of making transfer films are disclosed.