公开(公告)号：US20180046834A1

公开(公告)日：2018-02-15

申请号：US15552486

申请日：2016-02-19

Applicant: SOUTH DAKOTA BOARD OF REGENTS

Inventor： David LANGERMAN ,  Jon KELLAR ,  William CROSS ,  Stanley MAY ,  Julian BRACKINS ,  Jeevan MERUGA ,  Arvind BARIDE ,  John RAPP

IPC: G06K7/10 ,  C09K11/77 ,  C09D11/50 ,  C09D11/03 ,  B42D25/382 ,  G06K7/14

CPC classification number: G06K7/10564 ,  B42D25/29 ,  B42D25/382 ,  C09D11/03 ,  C09D11/037 ,  C09D11/50 ,  C09K11/7766 ,  C09K11/7783 ,  G01N21/00 ,  G01N21/6456 ,  G06K7/1417 ,  G07D7/0043 ,  G07D7/005 ,  G07D7/1205 ,  H01L23/57

Abstract: An improved system and method for reading an upconversion response from nanoparticle inks is provided. A is adapted to direct a near-infrared excitation wavelength at a readable indicia, resulting in a near-infrared emission wavelength created by the upconverting nanoparticle inks. A short pass filter may filter the near-infrared excitation wavelength. A camera is in operable communication with the short pass filter and receives the near-infrared emission wavelength of the readable indicia. The system may further include an integrated circuit adapted to receive the near-infrared emission wavelength from the camera and generate a corresponding signal. A readable application may be in operable communication with the integrated circuit. The readable application receives the corresponding signal, manipulates the signal, decodes the signal into an output, and displays and/or stores the output.