Chip-Scale Atomic Clock (CSAC) is a clock device that uses an electron transition frequency in the microwave, optical, or ultraviolet region of the electromagnetic spectrum of atoms as a frequency standard for its timekeeping element.
In 2002, the National Institute of Standards and Technology demonstrated a rudimentary physics package that proved the feasibility of a miniature-scale atomic clock. CERDEC and the Defense Advanced Research Projects Agency (DARPA) set out to mature this proof of concept and provide complete atomic clock capabilities for weapons, weapon systems and the dismounted Soldier.
This collaboration resulted in the chip-scale atomic clock (CSAC), a microchip-sized prototype that would support highly accurate location and battlefield situational awareness, even in the temporary absence of GPS.
The Chip-Scale Atomic Clock (CSAC) program created ultra-miniaturized, low-power, atomic time and frequency reference units. The development of CSAC enabled ultra-miniaturized and ultra-low power atomic clocks for high-security Ultra High Frequency (UHF) communication and jam-resistant GPS receivers. The use of CSAC technology can greatly improve the mobility and robustness of any military system or platform with sophisticated UHF communication and/or navigation requirements. This program resulted in commercially available CSAC technology. The CSAC program achieved a 100-fold size reduction while consuming 50 times less power than traditional atomic clocks.
The Microsemi Commercial Space CSAC is the world's first commercially available radiation-tolerant chip scale atomic clock, providing the accuracy and stability of atomic clock technology while achieving true breakthroughs in reduced size, weight and power consumption.
Currently, only two companies have achieved commercialization, namely Microchip and Teledyne. Chengdu Spaceon Electronics expects to achieve mass production in 2022 and release production capacity.
In 2020, Chip-Scale Atomic Clock market revenue is 39.08 M USD, will be 74.16 M USD in 2027, and the CAGR will be 9.07% during 2021-2027; The production is 28257 units in 2020, and will be 59666 units in 2027.
Besides, there are many Atomic Clock producing companies in the world. The main market players are Microsemi, Orolia Group, Oscilloquartz SA, Frequency Electronics, VREMYA-CH JSC, CASIC, Stanford Research Systems, Chengdu Spaceon Electronics, AccuBeat Ltd, KVARZ, IQD, Excelitas Technologies, Shanghai Astronomical Observatory, etc.. The revenue of Atomic Clock is about 286.11 M USD in 2020 and is estimated to increase to 424.03 USD in 2027 globally.
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