Patent US3346933A successfully refreshed from Google Patents.
US3346933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of assembly of electronic components
Assignee: Jennings Radio Manufacturing Corp
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Filing: 1965-10-21
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Granted: 1967-10-17
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Wesley N Lindsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:13
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/02; Y; Y10; Y10T; Y10T29/00; Y10T29/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
223 words
THE METHOD OF ASSEMBLY OF A VACUUM ELECTRONIC COMPONENT HAVING SPACED ELECTRODES ENCLOSED WITHIN A TUBULAR DIELECTRIC ENVELOPE PORTION BY METALLIC END PLATES CLOSING OPPOSITE ENDS THEREOF AND ELECTRICALLY CONNECTED TO THE SPACED ELECTRODES, CONSISTING OF THE STEPS OF SUPPORTING THE TUBULAR DIELECTRIC ENVELOPE PORTION, SAID ELECTRODES AND SAID END PLATES IN SPACED APART RELATION WITHIN A VACUUM OVEN INCLUDING AN ENERGIZABLE HEAT SOURCE WITH EACH OF SAID END PLATES ELECTRICALLY CONNECTED TO AN ASSOCIATED ELECTRODE, ENERGIZING THE OVEN TO PRELIMINARY HEAT SAID COMPONENT TO A FIRST TEMPERATURE, CHARGING SAID SPACED ELECTRODES WITH ELECTRICAL CHARGES OF OPPOSITE SIGN WHILE SAID COMPONENT IS HELD AT SAID FIRST TEMPERATURE FOR A TIME SUFFICIENT TO PRODUCE A PREDETERMINED DEGREE OF VACUITY WITHIN THE COMPONENT, REMOVING THE ELECTRICAL CHARGES FROM SAID ELECTRODES, RAISING THE TEMPERATURE OF THE COMPONENT TO A SECOND PREDETERMINED TEMPERATURE AND HOLDING THE COMPONENT AT THAT TEMPERATURE UNTIL A PREDETERMINED DEGREE OF VACUITY WITHIN THE COMPONENT IS OBTAINED, RAISING THE TEMPERATURE OF SAID COMPONENT TO A PREDETERMIEND THIRD TEMPERATURE PAST THE MELTING POINT OF BRAZING MATERIAL THEREON DEENERGIZING THE OVEN HEAT SOURCE, AND EFFECTING RELATIVE MOVEMENT OF SAID END PLATES AND TUBULAR DIELECTRIC ENVELOPE PORTION UNTIL THE END PLATES ABUT THE ENVELOPE PORTION AND SAID ELECTRODES TO BRAZE THE END PLATES TO THE ELECTRODES AND TO THE DIELECTRIC PORTION AND HERMETICALLY SEAL THE ENVELOPE.
Claim 2
Independent Claim
223 words
THE METHOD OF ASSEMBLY OF A VACUUM ELECTRONIC COMPONENT HAVING SPACED ELECTRODES ENCLOSED WITHIN A TUBULAR DIELECTRIC ENVELOPE PORTION BY METALLIC END PLATES CLOSING OPPOSITE ENDS THEREOF AND ELECTRICALLY CONNECTED TO THE SPACED ELECTRODES, CONSISTING OF THE STEPS OF SUPPORTING THE TUBULAR DIELECTRIC ENVELOPE PORTION, SAID ELECTRODES AND SAID END PLATES IN SPACED APART RELATION WITHIN A VACUUM OVEN INCLUDING AN ENERGIZABLE HEAT SOURCE WITH EACH OF SAID END PLATES ELECTRICALLY CONNECTED TO AN ASSOCIATED ELECTRODE, ENERGIZING THE OVEN TO PRELIMINARY HEAT SAID COMPONENT TO A FIRST TEMPERATURE, CHARGING SAID SPACED ELECTRODES WITH ELECTRICAL CHARGES OF OPPOSITE SIGN WHILE SAID COMPONENT IS HELD AT SAID FIRST TEMPERATURE FOR A TIME SUFFICIENT TO PRODUCE A PREDETERMINED DEGREE OF VACUITY WITHIN THE COMPONENT, REMOVING THE ELECTRICAL CHARGES FROM SAID ELECTRODES, RAISING THE TEMPERATURE OF THE COMPONENT TO A SECOND PREDETERMINED TEMPERATURE AND HOLDING THE COMPONENT AT THAT TEMPERATURE UNTIL A PREDETERMINED DEGREE OF VACUITY WITHIN THE COMPONENT IS OBTAINED, RAISING THE TEMPERATURE OF SAID COMPONENT TO A PREDETERMIEND THIRD TEMPERATURE PAST THE MELTING POINT OF BRAZING MATERIAL THEREON DEENERGIZING THE OVEN HEAT SOURCE, AND EFFECTING RELATIVE MOVEMENT OF SAID END PLATES AND TUBULAR DIELECTRIC ENVELOPE PORTION UNTIL THE END PLATES ABUT THE ENVELOPE PORTION AND SAID ELECTRODES TO BRAZE THE END PLATES TO THE ELECTRODES AND TO THE DIELECTRIC PORTION AND HERMETICALLY SEAL THE ENVELOPE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |