Business Details
50+ Years
experience
Precision Ceramic Machining & High-Purity Alumina Production
San Jose Delta has been a trusted leader in technical ceramic manufacturing and precision machining since 1971. Our ISO 9001:2015-certified facility in Santa Clara, CA, specializes in high-purity alumina ceramics, beryllium oxide processing, and machining of advanced materials like sapphire, quartz, and silicon nitride. With 25,000 square feet of manufacturing space and state-of-the-art equipment, we deliver cost-effective solutions for industries requiring precision-engineered ceramic components.Our team combines decades of expertise with ITAR registration and E-Verify compliance to ensure quality, security, and reliability. From prototyping to large-scale production, we pride ourselves on fast delivery times and tailored material solutions that meet exact customer specifications.
Services
Ceramic Machining
Alumina Production
Precision Grinding
Material Sourcing
Beryllium Oxide Processing
Details
- Year established: 1971
Highlights and features
- We have over 50 years of experience in technical ceramic manufacturing.
- Our ISO 9001:2015 certification ensures rigorous quality control standards.
- We machine nearly all technical ceramics, including sapphire and silicon nitride.
- Our in-house capabilities reduce lead times for custom components.
- We maintain a US government-approved beryllium oxide processing facility.
Associations and certifications
- ISO 9001:2015
Services
Ceramic Machining
We provide precision machining for technical ceramics using advanced CNC and manual equipment. Our capabilities include ultra-sonic grinding, thread grinding, and fine surface polishing to meet exact specifications. Clients benefit from our expertise in handling complex geometries and hard materials like sapphire and silicon nitride.
Alumina Production
Our high-purity alumina ceramic production includes standard rods, bars, tubes, and sheets. We process alumina powders into grades optimized for machining and metalization. This ensures cost-effective solutions for manufacturers requiring reliable raw materials for specialized components.
Precision Grinding
We offer precision grinding services for ceramics and ceramic-like materials, including beryllium oxide and quartz. Our 36-inch diameter surface grinding capacity and small-hole grinding down to 0.025 inches support tight tolerances and complex shapes for industrial applications.
Material Sourcing
We assist clients in selecting optimal materials for technical applications, including aluminum nitride, zirconia, and MACOR glass ceramic. Our team provides guidance on material properties and cost-effective processing options to match project requirements.
Beryllium Oxide Processing
As a US government-approved facility, we specialize in beryllium oxide grinding and machining. Our controlled processes ensure safety and compliance while delivering precision components for high-performance electronics and thermal management systems.
Questions
What ceramic materials do you work with?
We process alumina, aluminum nitride, beryllium oxide, MACOR, quartz, sapphire, silicon nitride, and zirconia for technical applications.
Are you ISO 9001 certified?
Yes, we maintain ISO 9001:2015 certification for quality management systems in our ceramic manufacturing and machining processes.
Can you handle custom ceramic specifications?
We machine and grind ceramics to your exact requirements, including complex geometries and tight tolerances for specialized industries.
What is your typical lead time?
Our in-house inventory of pre-sintered alumina materials enables fast delivery times for standard and custom components.
Do you offer beryllium oxide processing?
Yes, we operate a US government-approved beryllium oxide grinding facility with strict safety and compliance protocols.
