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| About site: Electronics and Electrical/Components/Crystals - Euroquartz Group |
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| About site: http://www.euroquartz.co.uk |
Title: Electronics and Electrical/Components/Crystals - Euroquartz Group Manufacturer of quartz crystals, oscillators, filters, vcxo, tcxo, ocxo.
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Filtronetics_Inc_ Designs and manufactures frequency control products including high, low, band pass and electronic filters, txco and related oscillators and quartz crystals. [more]
| FOQ_Piezo_Technik_GmbH Manufacturer of crystal oscillators and quartz crystal units manufactured to customer's specifications. [more]
| Fordahl_Group Manufactures miniature, ultra stable oscillators. Online product specifications and PDF data sheets available for download. [more]
| Fox_Electronics Manufacturer of a broad range of crystals, oscillators, TCXOs, VCXOs, OCXOs and filters. [more]
| Frequency_Management Manufacturer of quartz crystals and oscillators. Online product specifications and PDF data sheets available for download. [more]
| Fronter_Electronics_Co_Ltd Manufacturer of electronics components including crystal resonator, crystal filter, clock oscillator. [more]
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| Alexa statistic for http://www.euroquartz.co.uk |
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| Related sites for http://www.euroquartz.co.uk |
| Ftech_Corporation SAW filter design and production, in Taiwan. | | General_Electronic_Devices Manufactures quartz crystal and clock oscillators, OCXO, TCXO, VCXO, VCO, VCTCXO. | | Golledge_Electronics_Ltd_ Supplies frequency control products including quartz crystals, crystal oscillators, TCXOs, VCXOs, OCXOs and filters. Online catalogue and PDF data sheets available for download. | | Greenray_Industries_Inc_ Manufactures quartz frequency control products for telecom, military, aerospace and instrumentation applications. Products include OCXOs, TCXOs, VCXOs and clock oscillators. | | Griffon_Enterprise_Co_ Manufacturer and distributor of leaded and SMT crystal oscillators. Online product specifications and RFQ. | | HCD_Research_Limited Design, develop and manufacture crystal oscillators and frequency and EMC equipment. Online product specifications and service capability statement. | | HCJ_Quartz_Pte_Ltd Manufacturer of quartz crystals. | | Hec,_Inc_ Manufacturer of frequency control devices. | | HM_International Manufacture of frequency control products including crystals, oscillators, VCXO, VCTCXO, TCXO, OCXO, MIL/QPL oscillators and STRATUM 3 synchronization modules. | | Hooray_Electronics_Company,_Ltd_ Manufacturer and exporter of quartz crystals and oscillators, ceramic filters and resonators. | | How_Crystal_Watch_Works Impartial description describes how quartz crystals, quartz watches and quartz clocks work. | | Hy-Q_International_(Australia)_Pty__Ltd_ Supplier of frequency control components including quartz crystals, crystal oscillators, crystal and ceramic filters and resonators. | | ILSI_America,_Inc_ Manufacture SMD and leaded crystals, oscillators (TCXO, VCXO, TCVCXO and OCXO) including tight tolerances and miniature packages, resonators and filters. Online line card, search, cross reference and | | Impact,_LLC A manufacturer of through hole and surface mount piezo crystals, oscillators. | | International_Crystal_Manufacturing Manufacturing quartz crystals, oscillators, precision crystals and filters. | | ITTI_Co_Ltd Manufacturer of crystal, crystal oscillator, monolithic crystal filter, ceramic resonator and crystal oscillator. | | JAN_Crystals Manufacturer of crystal oscillators and microprocessor, AT-Strip, and custom designed crystals. | | Klove_Electronics_bv Supplier and manufacturer of quartz crystals and clock crystal oscillators. | | Macrobizes_Co_,_Ltd_ Manufacturer of quartz crystals, resonators, and oscillators. | | MF_Electronics Manufacturer of crystals, oscillators, VCXOs, TCXOs and oscillator ICs. | | MH_Electronics Manufacturer of AT cut quartz crystals and crystal devices for a variety of applications. | | MMD_Components Manufacturer of frequency control devices, specializing in crystals and oscillators. | | Morgan_Electro_Ceramics Development and manufacture of piezo ceramic components like plates, discs, rings, bimorphs and multilayers for sensors, actuators and transducers. From Netherlands. | | MTI-Milliren_Technologies_Inc_ Manufacturer of quartz crystal timing references including a full line of OCXO's, TCXO's, and VCXO's. | | MtronPTI Manufacturer of crystal oscillators, TCXOs, VCXOs, crystal and LC filters, and frequency control products. | | My_Frequency_Inc_ Manufactures frequency control devices including quartz crystals, crystal oscillators, VCXOs and TCXOs. Includes electrical and mechanical specifications and part numbering guide. | | Nakagawa_Electronics,_Ltd_ Manufacturer of quartz crystals, clock oscillators, ceramic resonators and filters. | | Nexyn_Corporation Manufacture commercial oscillators for LMDS, VSAT, digital radio and test equipment (MVDS, Tele-Comm). | | Nihon_Dempa_Kogyo_Co_,_Ltd_ Manufacturer of quartz crystal products, crystal units, VCXO, TCXO, TC-VCXO, SAW devices, crystal filters, optical components and ultrasonic transducer. | | Nippon_Crystal Distributor of a broad range of crystals, clock oscillators, VCXOs, TCXOs, VC-TCXOs and filters. Online product specifications and PDF data sheets available for download. | | Nofech_Electronics_Ltd_ Manufacturing high precision SC-cut, IT-cut and AT-cut quartz crystal resonators essential for ensuring high stability of OCXOs. | | OMIG_S_A_ Manufacturer of quartz filters and quartz crystals for TCXOs, VCXOs, and OCXOs, and vacuum depositing process control quartz crystals. Site in English and Polish, and include product specification ra | | OPT_Hellas_Custom_Frequency_Control_Components Manufacturers crystals, crystal filters, lc filters rf and microwave filters. Descriptions and catalogs and international sales network. | | Oscilent_Corporation A full line manufacturer of crystals, oscillators, filters, and resonators including voltage controlled and temperature compensated oscillators. | | Pletronics,_Inc_ Manufacturer of crystals (for microprocessors and communication equipment), crystal filters, and crystal oscillators (clock oscillators, VCXO, TCXO, and TCVCXO). | | Poseidon_Scientific_Instruments Makers of low phase noise sapphire oscillators, regenerative dividers, microwave amplifiers, whispering gallery mode resonators and carrier suppression interferometers. | | Precision_Devices,_Inc_ Manufactures crystal products in custom and SMD packages including quartz crystals, crystal filters and crystal oscillators. Online line card, specifications and PDF catalogue and data sheets availabl | | P&Y_Crystal_Industrial_Ltd_ A manufacturer of quartz crystals includes ceramic filers, ceramic resonators, crystal oscillators, SMD oscillators, SAW resonators, SAW filters. | | Q-Tech_Corporation A crystal oscillator manufacturer - hi reliability military QPL, space, hi temperature XO, VCO, VCXO, TCXO, OCXO. | | Quartslab_Marketing_Ltd_ Manufacturer of quartz crystals and oscillators. Online ordering. |
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Euroquartz - quartz crystals, oscillators, crystal-controlled oscillators, vcxo
euroquartz, quartz crystals, oscillators, crystal-controlled
oscillators, vcxo, tcxo, ocxo, crystal filters, custom filters,
crystal oscillators
Euroquartz limited, manufacturer of quartz
crystals, oscillators, filters. vcxo, tcxo, ocxo. The flexibility
of an independant with the capability of a multi-national company.
euroquartz, quartz
crystals, oscillators, crystal-controlled
oscillators, vcxo, tcxo,
ocxo, crystal
filters, custom filters, crystal
oscillators
Crystal, oscillator and filter manufacturing procedures This
page explains some of the production methods used to produce crystals,
oscillators and filters, together with a picture gallery of production
equipment towards the end of the page. (Please note that this
page is the only 'graphics-intensive' page on the Euroquartz website;
if you are accessing this page through a slow connection then
it may take a few minutes to load. All other pages on the Euroquartz
website have minimal graphic content.) QUICK DELIVERY With 'in-house'
control of manufacture most made-to-order products produced by
Euroquartz are delivered within 15 days of order. When required,
Euroquartz can deliver in as little as 3 working days. EUROQUARTZ
MANUFACTURING Euroquartz, unlike practically all other UK-based
crystal suppliers, are designers and manufacturers, not merely
dealers in imported products. Indeed, the main strength of the
Euroquartz operation is provided by our manufacturing unit, sited
in a purpose-built manufacturing unit of some 1,208 sq. metres.
(13,000 sq. ft.) The Euroquartz factory incorporates research
and development, engineering, production control, manufacturing
processes and quality assurance departments. CRYSTAL PRODUCTION
Crystal production takes place in two stages, optical and electrical:
OPTICAL Quartz crystal production begins with the selection of
quartz crystal blanks of the appropriate thickness and cut orientation
from a comprehensive library of quartz crystal blanks. Subsequent
processes include lapping, polishing and contouring operations
to produce quartz crystal blanks with precisely specified size,
shape, orientation and surface finish to ensure the correct electrical
properties of the finished products. ELECTRICAL The optical stages
of production are followed by electrical processes including etching
and cleaning, vacuum deposition of gold or silver electrodes,
mounting and bonding, adjustment to final frequency, encapsulation,
marking and final quality assurance inspection. OSCILLATOR PRODUCTION
Oscillator units are fabricated using both thick film hybrid substrates
and printed circuit board techniques.
euroquartz, quartz crystals, oscillators, crystal-controlled
oscillators, vcxo, tcxo, ocxo, crystal filters, custom filters,
crystal oscillators
Depending upon the application the oscillator crystal may be
incorporated as an independently sealed unit or as an un-encapsulated
crystal blank. In the latter case the blank is mounted directly
onto the oscillator substrate and the completed assembly is adjusted
to final frequency before hermetic sealing. Products produced
by the Euroquartz oscillator department include standard CMOS/TTL
oscillators, ECL/PECL output oscillators, VCXOs, TCXOs, and OCXOs,
these latter components requiring a significant input by engineering
and quality assurance departments. FILTER PRODUCTION Crystal filters
consist of a number of discrete crystal or monolithic dual elements
assembled on a printed circuit board with other passive components
(inductors, transformers, capacitors etc.), the whole unit being
hermetically sealed in a metal enclosure. The basic manufacturing
steps for filter production are crystal units, printed circuit
board assembly, filter alignment, encapsulation and final test.
In addition to crystal filters Euroquartz also produce other custom
filters; (e.g. LC filters,) for production of these parts many
non-crystal components such as wound coils are produced in-house.
CRYSTAL AND OSCILLATOR PRODUCTION EQUIPMENT Here are some images
of machinery and equipment used in crystal product manufacture
and test. PLATING UNIT - a vacuum/heat process, used to plate
silver or gold electrodes onto crystal blanks BLANK MOUNTING -
Prepared crystal blanks are mounted onto substrates for surface-mount
products PACKAGE ASSEMBLY - Automatic tacking of package lids
prior to seam welding surface-mount products FINAL ADJUST - Oscillator
final adjustment equipment. Crystal units are adjusted to final
frequency under computer control. RESISTANCE-WELDER - Resistance
weld chamber. Crystals and oscillators are sealed under a controlled
atmosphere; units are 'back-filled' with nitrogen during the hermetic
sealing process SEAL & TEST - Final sealing and test procedures
under controlled conditions during filter production MACROSCOPE
- used during Quality Assurance inspection and testing ATE - Automated
quality control equipment.
euroquartz, quartz crystals, oscillators, crystal-controlled
oscillators, vcxo, tcxo, ocxo, crystal filters, custom filters,
crystal oscillators
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Manufacturer | of | quartz | crystals, | oscillators, | filters, | vcxo, | tcxo, | ocxo. |
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http://www.euroquartz.co.uk
Euroquartz Group 2008 November
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Manufacturer of quartz crystals, oscillators, filters, vcxo, tcxo, ocxo.
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