HK1069467B - 用於身分證明文件的全色鐳射標識方法 - Google Patents

用於身分證明文件的全色鐳射標識方法 Download PDF

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Publication number
HK1069467B
HK1069467B HK05101943.1A HK05101943A HK1069467B HK 1069467 B HK1069467 B HK 1069467B HK 05101943 A HK05101943 A HK 05101943A HK 1069467 B HK1069467 B HK 1069467B
Authority
HK
Hong Kong
Prior art keywords
infrared
dye
image
layer
leuco
Prior art date
Application number
HK05101943.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
HK1069467A1 (zh
Inventor
Robert Jones
Original Assignee
L-1 Secure Credentialing, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by L-1 Secure Credentialing, Inc. filed Critical L-1 Secure Credentialing, Inc.
Priority claimed from PCT/US2002/041681 external-priority patent/WO2003056507A1/en
Publication of HK1069467A1 publication Critical patent/HK1069467A1/zh
Publication of HK1069467B publication Critical patent/HK1069467B/zh

Links

HK05101943.1A 2001-12-24 2002-12-24 用於身分證明文件的全色鐳射標識方法 HK1069467B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US34467401P 2001-12-24 2001-12-24
US60/344,674 2001-12-24
PCT/US2002/041681 WO2003056507A1 (en) 2001-12-24 2002-12-24 Systems, compositions, and methods for full color laser engraving of id documents

Publications (2)

Publication Number Publication Date
HK1069467A1 HK1069467A1 (zh) 2005-05-20
HK1069467B true HK1069467B (zh) 2013-05-16

Family

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