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AU6271798A - Field activated security thread including polymer dispersed liquid crystal - Google Patents

Field activated security thread including polymer dispersed liquid crystal

Info

Publication number
AU6271798A
AU6271798A AU62717/98A AU6271798A AU6271798A AU 6271798 A AU6271798 A AU 6271798A AU 62717/98 A AU62717/98 A AU 62717/98A AU 6271798 A AU6271798 A AU 6271798A AU 6271798 A AU6271798 A AU 6271798A
Authority
AU
Australia
Prior art keywords
liquid crystal
dispersed liquid
polymer dispersed
security thread
including polymer
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU62717/98A
Inventor
Nabil M. Lawandy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Spectra Science Corp
Original Assignee
Spectra Science Corp
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 Spectra Science Corp filed Critical Spectra Science Corp
Publication of AU6271798A publication Critical patent/AU6271798A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Credit Cards Or The Like (AREA)
AU62717/98A 1997-02-18 1998-02-06 Field activated security thread including polymer dispersed liquid crystal Abandoned AU6271798A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US80059097A 1997-02-18 1997-02-18
US08800590 1997-02-18
PCT/US1998/002316 WO1998036376A1 (en) 1997-02-18 1998-02-06 Field activated security thread including polymer dispersed liquid crystal

Publications (1)

Publication Number Publication Date
AU6271798A true AU6271798A (en) 1998-09-08

Family

ID=25178806

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62717/98A Abandoned AU6271798A (en) 1997-02-18 1998-02-06 Field activated security thread including polymer dispersed liquid crystal

Country Status (2)

Country Link
AU (1) AU6271798A (en)
WO (1) WO1998036376A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6322901B1 (en) 1997-11-13 2001-11-27 Massachusetts Institute Of Technology Highly luminescent color-selective nano-crystalline materials
US6607829B1 (en) 1997-11-13 2003-08-19 Massachusetts Institute Of Technology Tellurium-containing nanocrystalline materials
US6207392B1 (en) 1997-11-25 2001-03-27 The Regents Of The University Of California Semiconductor nanocrystal probes for biological applications and process for making and using such probes
US6251303B1 (en) 1998-09-18 2001-06-26 Massachusetts Institute Of Technology Water-soluble fluorescent nanocrystals
US6306610B1 (en) 1998-09-18 2001-10-23 Massachusetts Institute Of Technology Biological applications of quantum dots
AU6392399A (en) * 1998-09-18 2000-04-10 Massachusetts Institute Of Technology Biological applications of semiconductor nanocrystals
US6617583B1 (en) 1998-09-18 2003-09-09 Massachusetts Institute Of Technology Inventory control
CA2406983A1 (en) 2000-03-14 2001-09-27 Massachusetts Institute Of Technology A gain medium and lasers based on close-packed semiconductor nanocrystals
FR2813134B1 (en) * 2000-08-21 2004-01-16 Banque De France METHOD FOR AUTHENTICATING SENSITIVE DOCUMENTS
US20020110180A1 (en) 2001-02-09 2002-08-15 Barney Alfred A. Temperature-sensing composition
JP4383865B2 (en) 2001-09-17 2009-12-16 マサチューセッツ・インスティテュート・オブ・テクノロジー Semiconductor nanocrystal composite
US7319709B2 (en) 2002-07-23 2008-01-15 Massachusetts Institute Of Technology Creating photon atoms
CA2495309C (en) 2002-08-13 2011-11-08 Massachusetts Institute Of Technology Semiconductor nanocrystal heterostructures
US7917298B1 (en) 2003-04-17 2011-03-29 Nanosys, Inc. Nanocrystal taggants
US7229497B2 (en) 2003-08-26 2007-06-12 Massachusetts Institute Of Technology Method of preparing nanocrystals
US7229690B2 (en) 2004-07-26 2007-06-12 Massachusetts Institute Of Technology Microspheres including nanoparticles
US7316967B2 (en) 2004-09-24 2008-01-08 Massachusetts Institute Of Technology Flow method and reactor for manufacturing noncrystals
US8134175B2 (en) 2005-01-11 2012-03-13 Massachusetts Institute Of Technology Nanocrystals including III-V semiconductors
FR2889335A1 (en) * 2005-07-29 2007-02-02 Fideix Sarl Data medium e.g. smart card, for e.g. exchanging data with computer, has optoelectronic cell situated on optical track and adapted to pass from passing state to diffusing state and vice-versa based on applied electric voltage
US7394094B2 (en) 2005-12-29 2008-07-01 Massachusetts Institute Of Technology Semiconductor nanocrystal heterostructures
DE102014117877A1 (en) 2014-12-04 2016-06-23 Leonhard Kurz Stiftung & Co. Kg security element

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8324642D0 (en) * 1983-09-14 1983-10-19 Univ Manchester Liquid crystal storage device
US4652015A (en) * 1985-12-05 1987-03-24 Crane Company Security paper for currency and banknotes

Also Published As

Publication number Publication date
WO1998036376A1 (en) 1998-08-20

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