International Crystal Manufacturing (ICM) offers a broad range of quartz crystals, precision crystals, oscillators, filters, TCXO / VCTCXOs, and Quartz Microbalance products. Crystal, oscillator, filter and frequency control products - collage
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International Crystal Manufacturing
Quartz crystals Precision crystals Telemetry CrystalsQuartz microbalance Crystal oscillators TCXOs / VCTCXOs Crystal filters
Precision crystals
Precision crystals - overview
Ovenized crystals
Low phase noise crystals
Special cut crystals
Military crystals
Intermediate Frequency (I.F.) crystals
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Precision crystals from International Crystal - photoPrecision crystals

International Crystal Manufacturing (ICM) manufactures a broad line of custom precision crystals. Precision crystals are tight tolerance crystals having a calibration tolerance of less than ±10 PPM and or a temperature tolerance of less than ±10PPM or any other special processing requirements such as ovenized crystals, low phase noise crystals, Quartz Microbalance crystals (QCM), military crystals, BT-cut crystals, SC-cut crystals, IT-cut crystals, and FC-cut crystals. ICM manufactures our precision crystals using tight production controls based on our ISO 9001:2008 certification procedures.

To view details about our precision crystals, please select one of the links below:

Precision crystal product types

  • Ovenized crystals - any crystals made to operate at a temperature above the anticipated ambient temperature (typically +50°C to +110°C) in order to eliminate changes in frequency due to the change in temperature.

  • Low phase noise crystals - crystals designed to have as pure a spectral signal as possible.

  • Quartz microbalance crystals - are also referred to as QCM crystals which are piezoelectric quartz crystals that utilize the Converse Piezoelectric Effect to determine mass changes as a result of frequency change of the crystal.

  • Special cut crystals - special cut crystals are those crystals that have been cut at a different angle of orientation to enhance performance for specific needs. Typical special cuts would include BT-cut crystals, SC-cut crystals, IT-cut crystals, and FC-cut crystals.

  • Military crystals - quartz crystals that are designed to meet military specifications (mil-spec) and produced to Mil-Spec requirements (QPL).



ICM custom high precison crystals typically have frequency ranges of 4 MHz to 180 MHz.

If your application requires higher frequencies for your precision crystal applications, please contact our crystal engineers at 1-800-725-1426.


Typical applications

Precision crystals are often used in oscillators and filters that serve as higher-end stable frequency references for personal communications systems, telecom switching systems, medical equipment, cellular phones, WAN/LAN equipment, test instrumentation, and satellite communications.


Features and benefits

  • ISO 9001:2008 certified ensures ICM customers always receive high quality reducing costly returns and reinspection while keeping production lines running as scheduled.

  • All ICM custom manufactured high end precison crystals are 100% inspected on state of the art computer-controlled test equipment, not lot inspected, to meet specifications before shipment ensuring customers receive product that functions to required specifications every time ensuring no production downtime, minimizing rework, and eliminating customer returns due to component failure of ICM products.

  • U.S.-based complete automated, state of the art, manufacturing facility providing faster request response, better customer service, and faster deliveries.

  • Total control of all precision crystal production processes on custom-produced products ensuring deliveries meet needed product specifications.

  • Family owned, on-site management, ensures customers can speak directly to the ultimate decision maker resolving problems or providing solutions quickly.

  • No minimum order ensures customers can get exactly the quantities of product they need reducing receiving, inspection, and testing costs while also reducing inventory management costs.

  • On-shore automated manufacturing of precision crystals ensures quick deliveries reducing inventory-carrying costs.

  • Ability to produce prototypes to orders of tens of thousands of units ensuring customers get exactly what they want and reducing the number of needed suppliers to one.

  • Have crystal engineers on staff to provide design, prototyping, and pre-production support eliminating the need for multiple vendors and associated paperwork costs by having a single source for specialized precision crystal expertise.

Call us today at 1-800-725-1426, fill out our contact form, email us at or request an online quote for International Crystal Manufacturing radio frequency control devices – quartz crystals, oscillators, QCM crystals, filters, TCXOs / VCTCXOs, and precision crystals.

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Quartz Crystals Precision Telemetry Crystal Products
International Crystal Manufacturing
10 North Lee Avenue Oklahoma City, OK 73102
Toll Free Phone: 1-800-725-1426 Toll Free Fax: 1-800-322-9426
Phone: 1-405-236-3741 Fax: 1-405-235-1904

Web Design and Hosting: Oklahoma Web Design

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