{"id":5977,"date":"2025-07-18T08:21:52","date_gmt":"2025-07-18T08:21:52","guid":{"rendered":"https:\/\/www.richconn-cnc.com\/?page_id=5977"},"modified":"2025-07-18T08:41:45","modified_gmt":"2025-07-18T08:41:45","slug":"kovar","status":"publish","type":"page","link":"https:\/\/www.richconn-cnc.com\/kovar.html","title":{"rendered":"Kovar"},"content":{"rendered":"
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Custom Kovar Parts
\nPrecision CNC Machining & Glass Sealing Solutions<\/span><\/h1>\n

Professional Kovar alloy machining services for electronics, aerospace, and precision instruments. Expert glass-to-metal sealing solutions with ultra-tight tolerances down to \u00b10.0005″.<\/p>\n

\u00a0<\/i>Get Free Quote<\/a>\u00a0<\/i>Our Services<\/a><\/div>\n
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\u00b10.0005″<\/div>\n
Tight Tolerances<\/div>\n<\/div>\n
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5-Axis<\/div>\n
CNC Machining<\/div>\n<\/div>\n
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ISO 9001<\/div>\n
Quality Certified<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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Kovar Material Properties & Advantages<\/h2>\n

Kovar is a specialized iron-nickel-cobalt alloy (29% Ni, 17% Co, 54% Fe) engineered for applications requiring precise thermal expansion matching with glass and ceramics.<\/p>\n<\/div>\n

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Low Thermal Expansion<\/h3>\n

Coefficient of thermal expansion (CTE) matches borosilicate glass, ensuring dimensional stability across temperature ranges from -196\u00b0C to 500\u00b0C.<\/p>\n<\/div>\n

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Hermetic Sealing<\/h3>\n

Excellent glass-to-metal sealing properties for electronic packaging, vacuum tubes, and hermetic enclosures requiring leak-tight performance.<\/p>\n<\/div>\n

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Precision Machining<\/h3>\n

Superior machinability with specialized tooling and techniques, achieving tight tolerances for critical electronic and aerospace components.<\/p>\n<\/div>\n

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Electrical Properties<\/h3>\n

Controlled magnetic permeability and electrical conductivity, ideal for electronic packages, lead frames, and RF shielding applications.<\/p>\n<\/div>\n

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Corrosion Resistance<\/h3>\n

Excellent resistance to atmospheric corrosion and oxidation, ensuring long-term reliability in harsh environmental conditions.<\/p>\n<\/div>\n

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Weldability<\/h3>\n

Outstanding welding characteristics for assembly of complex components, maintaining thermal expansion properties after welding.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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Custom Kovar CNC Machining Services<\/h2>\n

Advanced CNC machining capabilities for precision Kovar components across electronics, aerospace, and scientific instrument industries.<\/p>\n<\/div>\n

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\u00a0<\/i>CNC Milling Services<\/h3>\n