公开(公告)号：US20180117863A1

公开(公告)日：2018-05-03

申请号：US15858762

申请日：2017-12-29

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Kenneth L. Smith ,  James R. Imbertson ,  John C. Kelliher ,  John A. Worrell ,  Sidney A. Ellingstad

IPC: B29D11/00 ,  G02B5/124 ,  C25D7/08 ,  C25D7/00

CPC classification number: B29D11/00605 ,  C25D7/00 ,  C25D7/08 ,  G02B5/124

Abstract: The present application relates generally to retroreflective sheeting and the tools and methods used to make retroreflective sheeting. Microreplication tools and sheeting include controlled surface structure or haze. The surface structure or haze can be introduced, for example, by chemical etching of the tool surface and/or electroplating.

公开(公告)号：US09878507B2

公开(公告)日：2018-01-30

申请号：US14298533

申请日：2014-06-06

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Kenneth L. Smith ,  James R. Imbertson ,  John C. Kelliher ,  John A. Worrell ,  Sidney A. Ellingstad

IPC: G02B5/124 ,  B29D11/00 ,  C25D7/00 ,  C25D7/08

CPC classification number: B29D11/00605 ,  C25D7/00 ,  C25D7/08 ,  G02B5/124

Abstract: The present application relates generally to retroreflective sheeting and the tools and methods used to make retroreflective sheeting. Microreplication tools and sheeting include controlled surface structure or haze. The surface structure or haze can be introduced, for example, by chemical etching of the tool surface and/or electroplating.