Patent US3146347A successfully refreshed from Google Patents.
US3146347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for analyzing material by excited x-rays
Assignee: Laboratory For Electronics Inc
•
Filing: 1961-08-25
•
Granted: 1964-08-25
•
Expires: 1981-08-25
Abstract
No abstract record available.
Inventors
- 👤 Charles A Ziegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:03
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/22; G01N23/225
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
123 words
APPARATUS FOR ANALYZING THE COMPOSITION OF A MATERIAL COMPRISING MEANS FOR DIRECTING ELECTRONS UPON SAID MATERIAL; MEANS FOR VARYING THE ENERGY OF SAID ELECTRONS INCIDENT UPON SAID MATERIAL; AN X-RAY DETECTOR DISPOSED TO RECEIVE X-RAYS EMITTED FROM SAID MATERIAL, SAID DETECTOR BEING ADAPTED TO PROVIDE OUTPUT PULSES IN RESPONSE TO INCIDENT X-RAYS, SAID OUTPUT PULSES HAVING AN AMPLITUDE RELATED TO THE ENERGY OF SAID INCIDENT X-RAYS; MEANS ADAPTED TO PASS ONLY OUTPUT PULSES FALLING WITHIN PREDETERMINED AMPLITUDE LIMITS, MEANS FOR MAINTAINING ONE OF SAID AMPLITUDE LIMITS AT A VALUE CORRESPONDING TO AN X-RAY ENERGY A SMALL INCREMENT LESS THAN THE ENERGY OF SAID INCIDENT ELECTRONS, AND MEANS TO PROVIDE A READOUT INDICATION OF THE NUMBER OF PULSES PASSED BETWEEN SAID PREDETERMINED AMPLITUDE LIMITS.
Claim 2
Dependent Claim
123 words
APPARATUS FOR ANALYZING THE COMPOSITION OF A MATERIAL COMPRISING MEANS FOR DIRECTING ELECTRONS UPON SAID MATERIAL; MEANS FOR VARYING THE ENERGY OF SAID ELECTRONS INCIDENT UPON SAID MATERIAL; AN X-RAY DETECTOR DISPOSED TO RECEIVE X-RAYS EMITTED FROM SAID MATERIAL, SAID DETECTOR BEING ADAPTED TO PROVIDE OUTPUT PULSES IN RESPONSE TO INCIDENT X-RAYS, SAID OUTPUT PULSES HAVING AN AMPLITUDE RELATED TO THE ENERGY OF SAID INCIDENT X-RAYS; MEANS ADAPTED TO PASS ONLY OUTPUT PULSES FALLING WITHIN PREDETERMINED AMPLITUDE LIMITS, MEANS FOR MAINTAINING ONE OF SAID AMPLITUDE LIMITS AT A VALUE CORRESPONDING TO AN X-RAY ENERGY A SMALL INCREMENT LESS THAN THE ENERGY OF SAID INCIDENT ELECTRONS, AND MEANS TO PROVIDE A READOUT INDICATION OF THE NUMBER OF PULSES PASSED BETWEEN SAID PREDETERMINED AMPLITUDE LIMITS.
Claim 3
Independent Claim
73 words
A METHOD FOR MATERIAL ANALYSIS COMPRISING THE STEPS OF: IMPINGING A BEAM OF ELECTRONS UPON SAID MATERIAL WHILE VARYING THE ENERGY OF SAID ELECTRONS FROM A RELATIVELY LOW VALUE THROUGH INTERMEDIATE VALUES TO A RELATIVELY HIGH VALUE; DETECTING X-RAYS EMITTED FROM SAID MATERIAL AS THE RESULT OF SAID IMPINGING ELECTRONS, DETERMINING THE QUANTITY OF SAID EMITTED X-RAYS HAVING ENERGY LESS THAN THE ENERGY OF THE RESPECTIVE IMPINGING ELECTRONS BY A RELATIVELY SMALL INCREMENT.
Claim 4
Independent Claim
73 words
A METHOD FOR MATERIAL ANALYSIS COMPRISING THE STEPS OF: IMPINGING A BEAM OF ELECTRONS UPON SAID MATERIAL WHILE VARYING THE ENERGY OF SAID ELECTRONS FROM A RELATIVELY LOW VALUE THROUGH INTERMEDIATE VALUES TO A RELATIVELY HIGH VALUE; DETECTING X-RAYS EMITTED FROM SAID MATERIAL AS THE RESULT OF SAID IMPINGING ELECTRONS, DETERMINING THE QUANTITY OF SAID EMITTED X-RAYS HAVING ENERGY LESS THAN THE ENERGY OF THE RESPECTIVE IMPINGING ELECTRONS BY A RELATIVELY SMALL INCREMENT.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |