1.steady,long life
2.100% manufacturing from raw material to end product
3.More than 500 customers
4.ISO9001,SGS certificate

JJK focuses on 5MHz and 6MHz Quartz Crystal for thin film thickness monitors. Available in gold, alloy and Silver. Excellent for optical coating and metallization.

Our products quality is highly speaked by our customers. Applied to different kinds of vacuum coating machines from American, Germany, Japan and Switzerland.

Stable performance, competitive prices, Short lead times and Better service .JJK is a technology-based research and development entity factory, also your best business partner .We are awaiting your inquiry.

Packages and three kinds (silver,gold and alloy coated )Quartz monitot crystals:

crystal choosing : 

Our continuing research into quartz crystal characteristics results in ongoing improvements to offer the highest reliability in your process.

We recommend gold crystals for the most applications. However,silver crystals will provide superior performance in processes with the high heat loads,such as sputtering.They may also improve the deposition of oxides.And alloy crystals are recommended for optical coating with dielectric materials and for semiconductor process with high-stress material.

JJK are a professional manufacturer in Quartz monitor crystal and Quartz crystal microbalance from China ,hold 5&6Mhz Quartz crystals, available in gold , silver and alloy electrode ,excellent for thin film thickness deposition rate control process