West Coast Quartz - WCQ Silico





WCQ Headquarters

1000 Corporate Way
Fremont, California 94539
Phone: (510) 249-2160
Fax: (510) 249-2168
Email: Sales@WCQ.com

WCQ Singapore

115A Commonwealth Drive
Singapore 149596
Phone: +65 6271 0638
Fax: +65 6271 1826

WCQ Japan

Stork Tower 702B
2-15-1 Yayoi-cho
Naka-ku, Yokohama-shi, Kanagawa, 231-0058
Phone: 81-45-315-4541
Fax: 81-45-315-4548

WCQ Taiwan

12F-7, No. 8, Ziqiang S. Rd.,
Zhubei City, Hsinchu County
Taiwan 30264

Phone: 886-3-5973979






What makes WCQ Unique?

Longevity and Resilience

WCQ has been in business over 28 years, since 1981 (the same year the IBM Personal Computer made its debut). We're established and we invest in the future, in technology, and in people. Our precision and quality are uncompromised through the peaks and valleys of the uncertain semiconductor cycle.


Engineering-Driven Global Brand Recognition

WCQ, a US-registered trademark, is known the world over for first rate manufacturing engineering, service with insight, and clean, reliable, properly-dimensioned and toleranced finished parts.


Vertical Integration and Self-Sufficiency
With more than 100,000 sq feet of plant and equipment, WCQ roughs out from raw materials and fabricates from A to Z in-house, with full traceability. Vertically-integrated quality, volume quality, finished with fab-ready Class 10 clean room final clean & UHV packaging.


Multiple Materials Solutions... In-House
WCQ grows silicon crystal, single and polycrystalline, CZ and Bridgeman methods. We fabricate complex critical sub-components from 9000lb quartz boules and clear fused quartz rods and tubes. We offer sapphire, graphite, silicon carbide and ceramic parts as well.


Integrity, Candor, and Reasonable Business Profits

WCQ prides itself on honest, candid dialog... On open communication to advance true partnering with customers, vendors, and employees alike... On properly priced parts which reflect a fair profit earned in the service of our customers.


Clean Room Facilities
Class 10 Clean Room Final Clean/UHV Packaging
Class 1000 Clean Room Flame/Fusion
Class 1000 Clean Room Mechanical Polishing
Class 10000 Clean Room In-Process Clean Line
Class 10000 Clean Room Silicon Crystal Growing