US3148161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the introduction of boron atoms into diamond crystals
Assignee: General Electric Co
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Filing: 1961-08-09
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Granted: 1964-09-08
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Expires: 1981-08-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert H Wentorf
- 👤 Harold P Bovenkerk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:29
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/06; B01J3/062; B01J2203/00; B01J2203/06; B01J2203/0605; B01J2203/061; B01J2203/062; B01J2203/065; B01J2203/0655; B01J2203/0675; B01J2203/068; B01J2203/069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A METHOD FOR INTRODUCING BORON ATOMS INTO A DIAMOND CRYSTAL LATTICE DURING FORMATION THEREOF COMPRISING THE STEPS OF: (A) PREPARING A SPECIMEN FOR THE CONVERSION OF NONDIAMOND CARBONACEOUS MATERIAL TO DIAMOND AT ELEVATED TEMPERATURES AND PRESSURES, (1) SAID SPECIMEN CONTAINING A QUANTITY OF A SUBSTANCE FROM WHICH AT ELEVATED PRESSURES AND TEMPERATURES BORON ATOMS ARE RELEASED, (2) SAID QUANTITY BEING AN AMOUNT BY WEIGHT BETWEEN ABOUT 0.1 PERCENT AND ABOUT 20 PERCENT OF THE WEIGHT OF NON-DIAMOND CARBONACEOUS MATERIAL, (B) SUBMITTING SAID SPECIMEN TO THE SIMULTANEOUS APPLICATION OF A PRESSURE OF AT LEAST 50,000 ATMOSPHERES AND A TEMPERATURE OF AT LEAST 1200*C. TO TRANSFORM THE NON-DIAMOND CARBONACEOUS MATERIAL TO DIAMOND, AND (C) RECOVERING FROM SAID SPECIMENA DIAMOND HAVING INTEGRALLY-CONTAINED BORON ATOMS.
Claim 2
Independent Claim
121 words
A METHOD FOR INTRODUCING BORON ATOMS INTO A DIAMOND CRYSTAL LATTICE DURING FORMATION THEREOF COMPRISING THE STEPS OF: (A) PREPARING A SPECIMEN FOR THE CONVERSION OF NONDIAMOND CARBONACEOUS MATERIAL TO DIAMOND AT ELEVATED TEMPERATURES AND PRESSURES, (1) SAID SPECIMEN CONTAINING A QUANTITY OF A SUBSTANCE FROM WHICH AT ELEVATED PRESSURES AND TEMPERATURES BORON ATOMS ARE RELEASED, (2) SAID QUANTITY BEING AN AMOUNT BY WEIGHT BETWEEN ABOUT 0.1 PERCENT AND ABOUT 20 PERCENT OF THE WEIGHT OF NON-DIAMOND CARBONACEOUS MATERIAL, (B) SUBMITTING SAID SPECIMEN TO THE SIMULTANEOUS APPLICATION OF A PRESSURE OF AT LEAST 50,000 ATMOSPHERES AND A TEMPERATURE OF AT LEAST 1200*C. TO TRANSFORM THE NON-DIAMOND CARBONACEOUS MATERIAL TO DIAMOND, AND (C) RECOVERING FROM SAID SPECIMENA DIAMOND HAVING INTEGRALLY-CONTAINED BORON ATOMS.
References Cited (Backward Citations)
US2947609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |