The boom of quartz watches in the 70s has shown: When it comes to precise time recording, there is nothing better than quartz crystals! This is no different today. Frequency control products with the characteristic frequency of 32.768 kHz can be found in almost all applications with integrated time measurement, e.g. laptops, mobile phones or

Nahaufnahme eines Uhrenquarzes

The tuning fork crystal as it is used in watches is something like the “classic” among the quartz crystals. Its frequency is always exactly 32.768 kHz. But why this value? The answer to this question can be found in the history of quartz crystals. Bell Telephone Laboratories, the former research department of today’s telecommunications group