High precision kovar alloy 4j29 machining parts

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High precision kovar alloy 4j29 machining parts

Material:

4 j29 / W.N r. 1.3912 / AISI / ASTM F15 / JIS EMAS – 1001

Dimensions: 7-188mm

Material thickness: 0.8-4.0mm

Process: Stamping and machining

Product technical requirements:

After processing, the parts need to be purified by a hydrogen furnace so that the sealed glass surface has no bubbles to remove impurities such as carbon.

Application: Kovar Alloys for glass sealing

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Category Kovar Glass Vacuum Seal Tags Kovar alloy 4j29, kovar alloy machining, Kovar Sealing Parts

Product Description:

Our High Precision Kovar Alloy 4J29 Machining Parts expertly designed to meet even the most demanding specifications in a variety of industries. Kovar Alloy 4J29, with its great combination of low thermal expansion and high mechanical strength, is an ideal candidate for applications where dimensional stability under varying temperature conditions is required.

Our machined components are manufactured using the latest manufacturing processes and precision CNC equipment for precision and repeatability that is second to none. We provide parts that exceed your expectations—from complex geometries to tight tolerances to intricate surface finishes. The 4J29 alloy has a special composition that is excellent for brazing and glass-to-metal sealing. The machining parts are ideal for components in vacuum tube devices, electronic packaging and aerospace instruments.

Quality is at the heart of our production process. All parts are carefully inspected and tested from the time the materials are ordered until the final machining. We follow international quality standards like ISO 9001 ensuring performance and reliability. Our team of experienced engineers and technicians are dedicated to providing custom solutions. We machine parts to your exact design and functional specifications.

Key Features:

Material Excellence: Fabricated from Kovar Alloy 4J29 to offer matched thermal expansion with borosilicate glass and ceramics for leak-free, long-term sealing integrity.
Precision Engineering: Carefully designed using the most recent CNC machining and forming technologies to deliver accurate dimensional tolerances (up to ±0.01mm) for complex geometries.
Vacuum-Optimized Ideal for ultra-high vacuum (UHV) systems, electron devices, and hermetic enclosures Surface finishes and treatments used to minimize outgassing
Robust Performance: Resistant to thermal cycling, corrosion, and mechanical stress; functional in temperatures ranging from -200°C to +450°C.
Custom Solutions: Tailored to application requirements such as size, shape, joint configurations and metallization layers for brazing or welding.

Applications:

Semiconductor & MEMS chip packaging
Aerospace sensors and vacuum feedthroughs
Encapsulation of medical implantable devices
RF/microwave devices and laser/optical systems
Power Electronics and Cryogenic Equipment with High Reliability

Why Choose Us?

Tap into our vacuum-grade metallurgy expertise and 40 years of precision sealing solution experience. We also provide complete technical support from prototype through volume production to ensure seamless integration into your mission critical systems.

FAQ

How to get product solutions?

You can tell us your needs (such as specifications, quantities, materials, drawings, etc.) by email(info@prekovar.com), phone or by submitting the form on our website.

Why Choose Us?

With over 10 years of specialized focus on Kovar/alloy processing, we master the unique challenges of this low-expansion material. Our advanced stamping techniques ensure micron-level accuracy, ideal for critical applications in electronics, aerospace, and hermetic sealing components.