Optical sensing and photodetectors
印刷信息加密
Printed information encryptionA security technique utilizing the physical properties of printed materials, specifically ink illuminance, substrate optical density, and raster coverage, to encode information that can only be revealed under specific illumination conditions. / 一种利用印刷材料物理特性（如油墨照度、基板光学密度和光栅覆盖率）来编码信息的安全技术，需在特定照明条件下才能揭示。
- Knowledge type
- 实际应用
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-10-22 16:02:06
Sub-knowledge points
No connected node yet
Higher-order knowledge points
No connected node yet
Main parameters and performance indicators
ink illuminance: The brightness of the ink under lightsubstrate optical density: The light-blocking capability of the base materialraster coverage: The proportion of the surface area covered by the printing
Open problems
No unresolved problem recorded yet
Related literature
ranked by community starsPrinted information encryption using ink illuminance, substrate optical density and raster coverageOpen source
Related products and links
No item recorded yet
Creation and modification trail
1 recordsRecord title: Printed information encryption.
Node update feedback
review required