Patent US3144501A successfully refreshed from Google Patents.
US3144501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal for semiconductor rectifier
Assignee: Infineon Technologies Americas Corp
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Filing: 1961-01-19
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Granted: 1964-08-11
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Expires: 1981-01-19
Abstract
No abstract record available.
Inventors
- 👤 Edward J Diebold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:25
CPC Classifications
H; H10; H10W; H10W72/00; H10W72/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A HERMETICALLY SEALED ENCLOSURE FOR SEMICONDUCTOR DEVICES; SAID HERMETICALLY SEALED ENCLOSURE INCLUDING A CONDUCTIVE BASE MEMBER FOR RECEIVING SAID SEMICONDUCTOR DEVICE, AN OPEN ENDED CONDUCTIVE STEM, AN ANNULAR BEAD OF INSULATION MATERIAL AND A FIRST AND SECOND METALLIC MEMBER EMBEDDED IN AND EXTENDING FROM SAID ANNULAR BEAD; SAID FIRST AND SECOND METALLIC MEMBERS BEING INSULATED FROM ONE ANOTHER; SAID SEMICONDUCTOR DEVICE HAVING A CONDUCTIVE LEAD EXTENDING THEREFROM AND BEING ELECTRICALLY CONNECTED TO SAID STEM WITHIN THE SAID OPEN END OF SAID STEM; SAID FIRST METALLIC MEMBER BEING SECURED TO SAID STEM ALONG AN ANNULAR SURFACE; SAID SECOND METALLIC MEMBER BEING SECURED TO SAID CONDUCTIVE BASE ALONG AN ANNULAR SURFACE; SAID FIRST AND SECOND METALLIC MEMBERS HAVING OVERLAPPING ENDS; SUBSTANTIALLY ALL OF THE EXTERNAL SURFACES OF SAID FIRST AND SECOND METALLIC MEMBERS BEING ENCASED IN SAID BEAD OF INSULATION MATERIAL.
Claim 2
Dependent Claim
139 words
A HERMETICALLY SEALED ENCLOSURE FOR SEMICONDUCTOR DEVICES; SAID HERMETICALLY SEALED ENCLOSURE INCLUDING A CONDUCTIVE BASE MEMBER FOR RECEIVING SAID SEMICONDUCTOR DEVICE, AN OPEN ENDED CONDUCTIVE STEM, AN ANNULAR BEAD OF INSULATION MATERIAL AND A FIRST AND SECOND METALLIC MEMBER EMBEDDED IN AND EXTENDING FROM SAID ANNULAR BEAD; SAID FIRST AND SECOND METALLIC MEMBERS BEING INSULATED FROM ONE ANOTHER; SAID SEMICONDUCTOR DEVICE HAVING A CONDUCTIVE LEAD EXTENDING THEREFROM AND BEING ELECTRICALLY CONNECTED TO SAID STEM WITHIN THE SAID OPEN END OF SAID STEM; SAID FIRST METALLIC MEMBER BEING SECURED TO SAID STEM ALONG AN ANNULAR SURFACE; SAID SECOND METALLIC MEMBER BEING SECURED TO SAID CONDUCTIVE BASE ALONG AN ANNULAR SURFACE; SAID FIRST AND SECOND METALLIC MEMBERS HAVING OVERLAPPING ENDS; SUBSTANTIALLY ALL OF THE EXTERNAL SURFACES OF SAID FIRST AND SECOND METALLIC MEMBERS BEING ENCASED IN SAID BEAD OF INSULATION MATERIAL.
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |