Invention Grant
US07648744B2 Tamper-indicating printable sheet for securing documents of value and methods of making the same
有权
篡改指示可印刷的纸张，用于确保价值的文件和制作相关的方法
- Patent Title: Tamper-indicating printable sheet for securing documents of value and methods of making the same
- Patent Title (中): 篡改指示可印刷的纸张，用于确保价值的文件和制作相关的方法
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Application No.: US10913850Application Date: 2004-08-06
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Publication No.: US07648744B2Publication Date: 2010-01-19
- Inventor: Richard J. Kuo , Mathias Detjen
- Applicant: Richard J. Kuo , Mathias Detjen
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Jeffrey M. Olofson
- Main IPC: B41M5/00
- IPC: B41M5/00
Abstract:
A tamper-indicating printable sheet. A preferred embodiment of the invention provides a tamper-indicating printable sheet comprising a retroreflective layer comprising a plurality of microbeads partially embedded in an inkjet receptive beadbond layer; and a reflector layer between one of the microbeads and the inkjet receptive beadbond layer. The present invention provides a method of making a tamper-indicating printable sheet.
Public/Granted literature
- US20060029753A1 Tamper-indicating printable sheet for securing documents of value and methods of making the same Public/Granted day:2006-02-09
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