Invention Grant
- Patent Title: Laser marking of substrates
- Patent Title (中): 基板激光打标
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Application No.: US12090571Application Date: 2006-10-23
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Publication No.: US08278244B2Publication Date: 2012-10-02
- Inventor: Brian Stubbs , William Green
- Applicant: Brian Stubbs , William Green
- Applicant Address: GB Widnes
- Assignee: Datalase Ltd
- Current Assignee: Datalase Ltd
- Current Assignee Address: GB Widnes
- Agency: Saliwanchik, Lloyd & Eisenschenk
- Priority: GB0521513.2 20051021
- International Application: PCT/GB2006/003945 WO 20061023
- International Announcement: WO2007/045912 WO 20070426
- Main IPC: B41M5/50
- IPC: B41M5/50
Abstract:
A method for marking an substrate, comprising coating the substrate with a white or colorless solution of a soluble alkali or alkaline earth metal salt of a weak acid and irradiating areas of the substrate to be marked such that those areas change color, wherein the substrate comprises a polysaccharide material.
Public/Granted literature
- US20090117353A1 Laser Marking of Substrates Public/Granted day:2009-05-07
Information query
