The introduction of quartz/crystal into clocks and watches in the 1970s and the emergence of the radio clock in the 2000s enabled us to know more accurate time than before. Since then, flat-screen TV sets appeared on the market and in 2003 digital terrestrial broadcasting began in Japan enabling audiences to enjoy TV programs on a large thin screen. Digital cameras have freed photographers from concerns about films and enabled them to enjoy their photos in a variety of ways. Furthermore, in the automotive industry, the use of electronics advanced in power train, vehicle control and body control applications. These developments, in conjunction with information and communication technologies, including automotive navigation, are leading to a remarkable evolution into autonomous car technology. Quartz devices have contributed to these examples of evolving electronics, playing an important role in the aforementioned equipment. Since the development of high-reliability information and communication technology (ICT) infrastructures, ICT is spreading into the areas of medical care, nursing care and agriculture. Quartz devices, a key element in electronic products as described above, are increasingly gaining importance.