Segmented and non-segmented transfer tapes, articles therefrom and method of making and use thereof

US10618247B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Martin B. Wolk · Woodbury, US
• Thomas J. Metzler · Okabena, US
• Samuel J. Carpenter · Shoreview, US
• Denis Terzic · Minnetonka, US
• Mitchell T. Nommensen · Oak Creek, US
• Suman K. Patel · Woodbury, US
• Mikhail L. Pekurovsky · Bloomington, US
• Donald G. Peterson · Shoreview, US
• Terry O. Collier · Woodbury, US

Key dates

• Filing date: Jun 13, 2016
• Grant date: Apr 14, 2020
• Expiry date: Oct 23, 2036

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B32B2605/003
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The present disclosure relates to transfer tapes, segmented and non-segmented which include at least one graphics layer. The transfer tapes include a removable template layer, a transfer layer which includes a backfill layer, having at least one first graphics layer, and an adhesive layer. Segmented transfer tapes further at least one transferable segment, at least one non-transferable segment in the segmented transfer tape and include at least one kerf. The present disclosure also provides optical assemblies, e.g. micro-optical assemblies, which may be fabricated from the transfer tapes which include at least one graphics layer. The present disclosure also provides methods of forming the transfer tapes and methods of making the micro optical assemblies.