Descrição Spectra Systems' products aren't always visible to the naked eye. The company makes materials that help to insure the authenticity of documents and products. Its particles, inks, and coatings (which are detected using optical reading devices) mark currency, passports, textiles, and other products. It also develops related hardware and software. Spectra Systems, through partnerships with currency printers including De La Rue, primarily serves the banking industry. The company also resells data reading devices from Zebra Technologies. The company was founded in 1996.