There are plenty of opportunities for quartz crystal devices in the industry at present. Crystals are widely used in the electronics industry.
The U.S. Army was a forerunner in using crystals in communication. The use of crystals made radio communication much more precise. With that was happening all around the world at that time, the radio communication industry flourished. Because of this, there were shortages of quartz.
As time progressed, so did the quality of oscillator packages. Although there is progress in the way oscillator packages are, their manufacturing process remains the same. To make more frequencies, there is a tedious process that crystals undergo.
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In the 1990’s, there were some developments in the manufacturing process of programmable oscillators but it was never followed through. These developments didn’t do much to the manufacturing process.
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New crystals are needed with each new frequency as science suggests.
Because of this, there are many crystal frequencies used in the market today. The varying needs of cutting quartz causes many different changes in temperature and frequency stabilities. The varying frequencies require varying quartz thickness and angles.
The amount of crystals needed in a crystal oscillator factory is staggering. It is typical that the crystal oscillator factory operates at a build-to-order pace.
The progress of the quartz industry of being able to collect and manufacture quartz is astounding.
Due to recent developments, hybrid oscillators are now being used. The “raw” devices are converted so as to adhere to customer preferences. The tedious process requires a few weeks lead time to produce quality devices. Because of better technology, orders can be made in a much shorter time.
Temperature stability combines the oscillator frequency to the temperature range of a device. A device would usually have a temperature sensor that would adjust to a temperature change.
Over long time intervals, oscillators experience changes in frequency. Frequency stability is required to account for this effect called aging.
A good oscillator requires very good packaging for the crystal. Once there is a package leak, it can affect the frequency aging or even the oscillation itself. Some seals that prevent leaks from happening are made out of ceramics or metal.
Shock and vibration can also lead to the deterioration of oscillators. The design of an oscillator takes note of the shock and vibration precautions.
A buffer is also needed to ensure that frequencies can be transmitted in a large range.
This new generation of crystal oscillators offer very good performance as long as necessary measures are taken.… Read More