公开(公告)号：US10387698B2

公开(公告)日：2019-08-20

申请号：US15552486

申请日：2016-02-19

Applicant: South Dakota Board of Regents

Inventor： David Langerman ,  Jon Kellar ,  William Cross ,  P. Stanley May ,  Julian Brackins ,  Jeevan Meruga ,  Aravind Baride ,  John Rapp

IPC: G06K7/10 ,  C09D11/50 ,  B42D25/29 ,  C09D11/037 ,  B42D25/382 ,  C09D11/03 ,  C09K11/77 ,  G06K7/14 ,  G01N21/00 ,  G07D7/00 ,  G01N21/64 ,  H01L23/00

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.