US3267398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing wave-guides of the kind having a vacuum-tightly clamped-in mica window and waveguides manufactured by said methods
Assignee: US Philips Corp
•
Filing: 1965-02-04
•
Granted: 1966-08-16
•
Expires: 1985-02-04
Abstract
No abstract record available.
Inventors
- 👤 Bernardus Bastiaan Van Iperen
- 👤 Kuypers Wilhelmus
- 👤 Verhagen Martinus Cornelis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:02
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/08; Y; Y10; Y10S; Y10S228/00; Y10S228/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A METHOD OF MANUFACTURING A WAVEGUIDE IN WHICH AN INSUALTING WINDOW IS VACUUM-TIGHTLY CLAMPED IN BETWEEN TWO POSITIONS OF THE WAVEGUIDE, CHARACTERIZED IN THAT THE ENDS OF THE PORTIONS OF THE WAVEGUIDE CONSISTING AT LEAST PARTLY OF A PLASTIC METAL, ARE MACHINED BY A MILLING OPERATION SO AS TO BE OPTICALLY SMOOTH AND ARE ARRANGED ONE ON THE OTHER WITH THE INTERPOSITION OF AN INSULATING PLATE SO THAT THE INSULATING PLATE OVERLAPS THE APERTURE OF THE WAVEGUIDE ON ALL SIDES, WHILST THE OUTER EDGE OF THE INSULATING PLATE IS LOCATED AT A GIVEN DISTANCE INSIDE THE OUTER PERIPHERY OF THE ENDS OF THE WAVEGUIDE PORTIONS, AFTER WHICH THE WAVEGUIDE ENDS ARE PRESSED TOGETHER WITH SUCH A HIGH PRESSURE THAT THE INSULATING PLATE IS EMBEDDED IN THEIR MATERIAL WHILST THE WAVEGUIDE PORTIONS ARE VACUUM-TIGHTLY CONNECTED TOGETHER AND TO THE SURFACE OF THE INSULATING PLATE BY DIFFUSION.
Claim 2
Independent Claim
145 words
A METHOD OF MANUFACTURING A WAVEGUIDE IN WHICH AN INSUALTING WINDOW IS VACUUM-TIGHTLY CLAMPED IN BETWEEN TWO POSITIONS OF THE WAVEGUIDE, CHARACTERIZED IN THAT THE ENDS OF THE PORTIONS OF THE WAVEGUIDE CONSISTING AT LEAST PARTLY OF A PLASTIC METAL, ARE MACHINED BY A MILLING OPERATION SO AS TO BE OPTICALLY SMOOTH AND ARE ARRANGED ONE ON THE OTHER WITH THE INTERPOSITION OF AN INSULATING PLATE SO THAT THE INSULATING PLATE OVERLAPS THE APERTURE OF THE WAVEGUIDE ON ALL SIDES, WHILST THE OUTER EDGE OF THE INSULATING PLATE IS LOCATED AT A GIVEN DISTANCE INSIDE THE OUTER PERIPHERY OF THE ENDS OF THE WAVEGUIDE PORTIONS, AFTER WHICH THE WAVEGUIDE ENDS ARE PRESSED TOGETHER WITH SUCH A HIGH PRESSURE THAT THE INSULATING PLATE IS EMBEDDED IN THEIR MATERIAL WHILST THE WAVEGUIDE PORTIONS ARE VACUUM-TIGHTLY CONNECTED TOGETHER AND TO THE SURFACE OF THE INSULATING PLATE BY DIFFUSION.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |