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We have proposed a programmable non-volatile devices Neobitreg which can be built on any process platform, such as logic, analog, mixed-mode, high voltage, RF, SiGe, BCD, etc., without adding the complications to the existing process platforms. Due to the simplicity of Neobitreg , it has facilitated many applications for better cost/performance. The programmable logic non-volatile devices have been widely used for (1) code storage, (2) high voltage device trimming, (3) analog circuit trimming, (4) power management circuit trimming, (5) security ID, (6) RFID, and (7) memory repair. In this paper, the technology and applications of the new single poly programmable logic non-volatile devices will be presented. We believed that the programmable logic non-volatile devices are very promising for many future applications due to its simplicity, non-volatility and particularly programmability.