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US3206336A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of transforming n-type semiconductor material into p-type semiconductor material

Assignee: RTX Corp
•
Filing: 1962-03-27
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Granted: 1965-09-14
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Expires: 1982-03-27
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Abstract

No abstract record available.

Inventors

  • 👤 Hora Heinrich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:41
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; C; C22; C22F; C22F3/00; H01; H01J; H01J37/00; H01J37/30; H10P95/00; Y; Y10; Y10S; Y10S438/00; Y10S438/914

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 109 words
THE METHOD OF TRANSFORMING N-CONDUCTIVE SEMI-CONDUCTOR MATERIAL INTO P-CONDUCTIVE SEMICONDUCTIVE MATERIAL WHICH CONSISTS OF THE STEPS OF GENERATING A BEAM OF ELECTRONS HAVING AN ENERGY RANGE OF BETWEEN 30 AND 200 KEY, FOCUSSING SAID BEAM AT A FIRST LOCATION ON A BODY OF SEMICONDUCTOR MATERIAL WHERE A TRANSFORMATION IS TO BE ACCOMPLISHED, LIMITING THE TIME OF IMPINGEMENT OF THE BEAM ON SAID FIRST LOCATION SUCH THAT A DOSE OF 10**16 TO 10**22 ELECTRONS PER CENTIMETER SQUARED IS IMPARTED THERETO AND PRODUCING RELATIVE MOVEMENT BETWEEN THE NORMAL AXIS OF THE ELECTRON BEAM AND THE BODY OF SEMICONDUCTOR MATERIAL SUCH THAT TRANSFORMATIONS MAY BE EFFECTED SERIALLY AT A PLURALITY OF POINTS.
Claim 2
Independent Claim 109 words
THE METHOD OF TRANSFORMING N-CONDUCTIVE SEMI-CONDUCTOR MATERIAL INTO P-CONDUCTIVE SEMICONDUCTIVE MATERIAL WHICH CONSISTS OF THE STEPS OF GENERATING A BEAM OF ELECTRONS HAVING AN ENERGY RANGE OF BETWEEN 30 AND 200 KEY, FOCUSSING SAID BEAM AT A FIRST LOCATION ON A BODY OF SEMICONDUCTOR MATERIAL WHERE A TRANSFORMATION IS TO BE ACCOMPLISHED, LIMITING THE TIME OF IMPINGEMENT OF THE BEAM ON SAID FIRST LOCATION SUCH THAT A DOSE OF 10**16 TO 10**22 ELECTRONS PER CENTIMETER SQUARED IS IMPARTED THERETO AND PRODUCING RELATIVE MOVEMENT BETWEEN THE NORMAL AXIS OF THE ELECTRON BEAM AND THE BODY OF SEMICONDUCTOR MATERIAL SUCH THAT TRANSFORMATIONS MAY BE EFFECTED SERIALLY AT A PLURALITY OF POINTS.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-09-13 1969-03-15 1969-09-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-09-13 1973-03-15 1973-09-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-09-13 1977-03-15 1977-09-14 $7700.00 Window Closed / Lapsed

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