Patent US3707358A successfully refreshed from Google Patents.
US3707358A
Expired / Lapsed
US
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Crystal support for a semiconductor crystal
Assignee: US Philips Corp
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Filing: 1970-06-24
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Granted: 1972-12-26
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Expires: 1990-06-24
Abstract
Abstract A CRYSTAL SUPPORT FOR A SEMICONDUCTOR CRYSTAL, PREFERABLY CONSISTING OF IRON OR AN IRON ALLOY WHICH IS COATED WITH A GOLD LAYER TO WHICH THE CRYSTAL IS SECURED BY MEANS OF SOLDER. AN INTERMEDIATE LAYER OF A METAL WHICH CRYSTALLIZES IN A HEXAGONAL DENSEST PACKING, PARTICULARLY COBALT IS PROVIDED BETWEEN THE METAL OF THE CRYSTAL SUPPORT AND THE GOLD LAYER.
Inventors
- 👤 Annegien Masselink
- 👤 Martinus Antonius Maria Bakker
- 👤 Bauke Visser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:18
CPC Classifications
H; H10; H10P; H10P95/00; H10W; H10W70/00; H10W70/20; H10W70/24; H10W72/00; H10W72/071; H10W72/073; H10W72/07331; H10W72/07336; H10W72/30; H10W72/351; H10W72/352; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12528; Y10T428/12771; Y10T428/12861; Y10T428/12882; Y10T428/12889; Y10T428/12903; Y10T428/1291; Y10T428/12937; Y10T428/12951; Y10T428/12986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-26 | 1976-06-26 | 1976-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-26 | 1980-06-26 | 1980-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-26 | 1984-06-26 | 1984-12-26 | $7700.00 | Window Closed / Lapsed |