WO2005029654A3 - Increasing thermal conductivity of host polymer used with laser engraving methods and compositions - Google Patents

Increasing thermal conductivity of host polymer used with laser engraving methods and compositions Download PDF

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Publication number
WO2005029654A3
WO2005029654A3 PCT/US2004/030702 US2004030702W WO2005029654A3 WO 2005029654 A3 WO2005029654 A3 WO 2005029654A3 US 2004030702 W US2004030702 W US 2004030702W WO 2005029654 A3 WO2005029654 A3 WO 2005029654A3
Authority
WO
WIPO (PCT)
Prior art keywords
host material
thermal conductivity
iodide
compositions
polymer used
Prior art date
Application number
PCT/US2004/030702
Other languages
French (fr)
Other versions
WO2005029654A2 (en
Inventor
Brian Labrec
Robert L Jones
Original Assignee
Digimarc Corp
Brian Labrec
Robert L Jones
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 Digimarc Corp, Brian Labrec, Robert L Jones filed Critical Digimarc Corp
Publication of WO2005029654A2 publication Critical patent/WO2005029654A2/en
Publication of WO2005029654A3 publication Critical patent/WO2005029654A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/60—Preliminary treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1603—Laser beams characterised by the type of electromagnetic radiation
    • B29C65/1612—Infrared [IR] radiation, e.g. by infrared lasers
    • B29C65/1616—Near infrared radiation [NIR], e.g. by YAG lasers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/16—Braille printing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31507—Of polycarbonate

Abstract

The invention provides for an article of manufacture (such as an identification document (10) capable of being laser engraved with a grayscale image, wherein the identification document (10) is a tnultilayer structure comprising at least one layer (52) which, comprises a host material and a laser enhancing additive. The host material comprises a material, such as a polymer, modified by a first process, whereby the host material modified by the first process has increased thermal conductivity as compared to the host material before the first process. The laser enhancing additive comprises a first quantity of at least one copper potassium iodide (CuKI3), Copper Iodide (CuI), potassium iodide (KI), sodium iodide (NaI), an aluminum iodide (A1I) and a second quaintly of at least one substance selected from the group consisting of zinc sulfide (ZnS), barium sulfide (BaS), alkyl sulfonate and thioester.
PCT/US2004/030702 2003-09-19 2004-09-17 Increasing thermal conductivity of host polymer used with laser engraving methods and compositions WO2005029654A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US50435203P 2003-09-19 2003-09-19
US60/504,352 2003-09-19
US10/677,092 US7728048B2 (en) 2002-12-20 2003-09-30 Increasing thermal conductivity of host polymer used with laser engraving methods and compositions
US10/677,092 2003-09-30

Publications (2)

Publication Number Publication Date
WO2005029654A2 WO2005029654A2 (en) 2005-03-31
WO2005029654A3 true WO2005029654A3 (en) 2005-08-04

Family

ID=34381117

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/030702 WO2005029654A2 (en) 2003-09-19 2004-09-17 Increasing thermal conductivity of host polymer used with laser engraving methods and compositions

Country Status (2)

Country Link
US (2) US7728048B2 (en)
WO (1) WO2005029654A2 (en)

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US20100181754A1 (en) 2010-07-22
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US7980596B2 (en) 2011-07-19
WO2005029654A2 (en) 2005-03-31

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