June, 2013
www.us-tech.com
How DNA Marking Helps DLA Fight Counterfeiting Continued from page 55
tronic systems. In addition to the questionable reliability from using counterfeit electronic devices and components, there are also safety and security issues, especially in critical systems such as flight-control, radar, and weapons systems. Counterfeit electronic components that do not meet the rigorous military specifica- tions could fail prematurely, putting the users of those systems at great risk. Because the U.S. defense elec- tronics supply chain has become a global marketplace, combating coun- terfeit components and devices has grown more difficult with time and the complexity of the supply chain. Microprocessors in particular are sub- ject to counterfeiting, and a good number of these components have been identified in recent years in mil- itary electronic systems and in com- mercial aviation applications. Although DNA marking will not
help spot a counterfeit, it is effective in identifying authentic parts. The technology has been used by differ- ent police laboratories, for example, as an accepted law-enforcement tool, and in the United Kingdom as part of the forensic science to mark paper currency. Still, DNA marking and testing takes a great deal of time, so Applied DNA Sciences has been exploring quicker and easier ways to apply the technology for identifica- tion, including a form of an ink that will glow under laser illumination. This approach would be combined with the DNA testing of samples to ensure authenticity of electronic parts, and it would have a higher reliability than simply quick laser scanning of DNA markings.
Cannot Reverse Engineer The SigNature® DNA marking
system from Applied DNA Sciences is virtually impossible to reverse engineer or replicate, with billion-to- one odds against changing the DNA code used to identify a specific prod- uct. To ensure the security of these codes, they are encrypted and stored on a secure server, with only partial access by a handful of individuals. The firm claims that the technology is low in cost, is readily scalable for use in products even at the highest volumes, and can be embedded into other anti-counterfeiting devices, such as radio-frequency-identifica- tion (RFID) circuits. Within the semiconductor in dus -
try, an IC supplier Altera Corp. (
www.alera.com) worked with Ap - plied DNA Sciences to complete a six- month pilot program on the use of DNA coding for certain of its military- grade chips. The devices were marked at an Altera production facilty using the SigNature technology to combat counterfeiting. During evaluation for the DLA, the DNA markings on Altera production de vices were tested and survived under semiconductor production conditions, including extremely high temperatures.
Pilot Program Success The success of the pilot program
earned the semiconductor supplier a phase 2, 18-month program working with Applied DNA Sciences and device distributor SMT Corp. (
www.smtcorp.com), which has been a leader in fighting counterfeiting for several years. In addition, Applied DNA Sciences is working with the College of Nanoscale Science and
Engineering CNSE) at the University of Albany (Albany, NY) to develop marking solutions for the anti-counterfeiting of nanoscale chips. Additional testing is currently evaluating different aspects of the DNA technology, including its practi- cal use throughout the semiconduc- tor industry and supply chain. Ironically, when the US mili-
tary invests in one technology, it can often lead to another, and the invest- ments in DNA tagging have coincid- ed with the US Army Research Laboratory’s Army Research Office (ARO) efforts to explore optical scan- ning technology to combat the coun- terfeiting of electronic parts. Working with the ARO, Chromo -
Logic LLC (Pasadena, CA,
www.chromologic.com) and its sub- sidiary, Covisus (
www.covisus.com), have developed the DTEK optical identification system. The DTEK system, which works
under the control of the Covisius soft- ware, employs a biomimetic tag and reader system. It can optically ana- lyze the surface of an electronic com- ponent and provide information about its surface for identification purposes.
The optical scanning technology
is capable of mapping the intrinsic surface of electronic components to distinguish between authentic and counterfeit devices and components on which the surfaces have been
Page 57
modified. Using the surface patterns of electronic devices, products can be scanned in as little as one second for accurate identification. Most counterfeit electronic pro -
ducts have been found to have sur- faces that have been altered in some way. The DTEK technology has already been adopted by various gov- ernment groups including NASA’s Jet Propulsion Laboratory and shows great promise as an alternative to DNA marking technology as a hedge against counterfeit electronics. Contact: Applied DNA Sciences,
25 Health Sciences Drive, Stony Brook, NY 11790 % 631-444-6370 E-mail:
info@adnas.com Web: www.
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