Скачать или смотреть Ceramic-to-Metal Hermetic Seal | Helium Leak Test for Vacuum Feedthrough & Insulating Rings

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This short video shows how helium leak testing and serial tracking are applied to ceramic brazed cathode insulating rings. For vacuum devices and cathode assemblies, small leaks in the ceramic-to-metal joint can cause long-term failures, so each ring is helium leak tested and assigned a unique ID for full traceability. This helps engineers verify hermeticity and link every ring back to its batch and process conditions.

Key features
• Ceramic brazing for cathode insulating rings and ceramic-to-metal vacuum components
• Helium leak testing to verify vacuum-tight joints on brazed ceramic rings
• Defined leak rate limits and test conditions aligned with customer requirements
• Serial tracking and unique ID marking for each cathode insulating ring
• Traceability from single ring back to batch, process parameters and inspection records
• Support for customer-specific documentation, acceptance criteria and quality audits

Typical applications
• Cathode insulating rings in vacuum tubes, X-ray tubes and high-voltage cathode assemblies
• Ceramic-to-metal brazed rings for vacuum electron devices and power devices
• Insulating components in high-voltage, high-vacuum or gas-filled systems
• Projects that require documented leak testing and part-level traceability for ceramic brazed parts

FAQ – typical questions from engineers
• Q: What helium leak rate is usually required for ceramic brazed cathode insulating rings?
A: Leak rate limits depend on the device, but many vacuum applications require tight helium leak rates, and we can align the test limit with your specification or standard.
• Q: Why use helium leak testing instead of simple pressure or bubble tests?
A: Helium leak testing is more sensitive and can detect very small leaks that other methods miss, which is critical for long-term vacuum integrity.
• Q: How is serial tracking implemented for ceramic brazed insulating rings?
A: Each ring receives a unique ID (for example, by marking or labeling) that links to its leak test result, batch and inspection data in our records.
• Q: Can you follow our own leak test and documentation standard?
A: Yes, leak test limits, test methods and reporting formats can be matched to your internal standards or industry norms for vacuum components.

Other names
Other names: ceramic-to-metal brazed insulator, vacuum-tight ceramic ring, brazed ceramic cathode ring

Contact
Contact: [email protected] / [email protected]