Patent US2953482A successfully refreshed from Google Patents.
Patent US3328192A successfully refreshed from Google Patents.
US3328192A
Expired / Lapsed
US
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Method of producing optical gratings
Assignee: Individual
•
Filing: 1963-07-31
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Granted: 1967-06-27
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Expires: 1983-07-31
Abstract
No abstract record available.
Inventors
- 👤 Jack A Soules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:15
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/18; G02B5/1847; G02B5/1852
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A METHOD OF PRODUCING A LINED OPTICAL GRATING WHICH COMPRISES: (A) COOLING AN ELONGATED RECTANGULAR CRYSTAL OF HIGH QUALITY TO A TEMPERATURE OF ABOUT 4*K., (B) SENDING A MONOCHROMATIC STANDING LONGITUDINAL SOUND WAVE HAVING A FREQUENCY OF FROM ABOUT 6,000 TO ABOUT 60,000 MAGACYCLES/SEC. THROUGH AN END OF SAID CRYSTAL TO PRODUCE A STANDING VIBRATION PATTERN OF ATOMS IN THE SURFACE OF SAID CRYSTAL ALONG THE LONGITUDINAL LENGTH OF SAID CRYSTAL, (C) VAPORIZING A METAL INTO ATOMS OF THE METAL, AND (D) DEPOSITING SAID KMETAL ATOMS ONTO THE SURFACE OF SAID CRYSTAL HAVING SAID STANDING VIBRATION PATTERN OF ATOMS THEREIN, WHEREIN SAID METAL ATOMS FORM DEFINITE LINES ON THE SURFACE OF SAID CRYSTAL.
Claim 2
Independent Claim
113 words
A METHOD OF PRODUCING A LINED OPTICAL GRATING WHICH COMPRISES: (A) COOLING AN ELONGATED RECTANGULAR CRYSTAL OF HIGH QUALITY TO A TEMPERATURE OF ABOUT 4*K., (B) SENDING A MONOCHROMATIC STANDING LONGITUDINAL SOUND WAVE HAVING A FREQUENCY OF FROM ABOUT 6,000 TO ABOUT 60,000 MAGACYCLES/SEC. THROUGH AN END OF SAID CRYSTAL TO PRODUCE A STANDING VIBRATION PATTERN OF ATOMS IN THE SURFACE OF SAID CRYSTAL ALONG THE LONGITUDINAL LENGTH OF SAID CRYSTAL, (C) VAPORIZING A METAL INTO ATOMS OF THE METAL, AND (D) DEPOSITING SAID KMETAL ATOMS ONTO THE SURFACE OF SAID CRYSTAL HAVING SAID STANDING VIBRATION PATTERN OF ATOMS THEREIN, WHEREIN SAID METAL ATOMS FORM DEFINITE LINES ON THE SURFACE OF SAID CRYSTAL.
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |