Patent US3267389A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3267389A Expired / Lapsed US ⏱️ 0.0 years remaining

Quantum mechanical tunnel injection amplifying apparatus

Assignee: Unisys Corp
•
Filing: 1963-04-10
•
Granted: 1966-08-16
•
Expires: 1983-04-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John G Simmons

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 11:39
CPC Classifications
H; H10; H10D; H10D99/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 164 words
SOLID STATE ELECTRON APPARATUS COMPRISING: (A) A SUPPORT MEMBER CAPABLE OF BEING READILY DISSOLVED BY A LIQUID, (B) A SOURCE ELECTRODE DISPOSED ON ONE SURFACE OF SAID SUPPORT MEMBER, (C) SAID SOURCE ELECTRODE BEING FURTHER PROVIDED WITH AN OXIDE COATING THEREON, (D) A DRAIN ELECTRODE DISPOSED ON THE SURFACE OF SAID SUPPORT MEMBER CONTIGUOUS TO SAID SOURCE ELECTRODE AND SLIGHTLY OVERLAPPING THE SAME, (E) SAID SUPPORT MEMBER HAVING AN APERTURE EXTENDING THROUGH FROM THE OPPOSITE SURFACE THEREOF TO EXPOSE PORTIONS OF SAID SOURCE AND DRAIN ELECTRODES, (F) A TUNNEL INSULATING MEMBER DISPOSED ADJACENT THE EXPOSED PORTIONS OF SAID SOURCE AND DRAIN ELECTRODES, (G) A BLOCKING INSULATING LAYER OVERLYING SAID TUNNEL INSULATING LAYER, AND (H) A GATE ELECTRODE DISPOSED ON SAID BLOCKING INSULATOR AND EFFECTIVE WHEN ENERGIZED WITH A SUITABLE ELECTRICAL POTENTIAL TO CREATE A CONDUCTIVE CHANNEL BETWEEN SAID SOURCE AND SAID DRAIN FOR CONTROLLING ELECTRONS WHICH ARE OBLIGED TO TUNNEL FROM SAID SOURCE THROUGH SAID TUNNEL INSULATOR ALONG SAID CHANNEL AND INTO SAID DRAIN.
Claim 2
Dependent Claim 164 words
SOLID STATE ELECTRON APPARATUS COMPRISING: (A) A SUPPORT MEMBER CAPABLE OF BEING READILY DISSOLVED BY A LIQUID, (B) A SOURCE ELECTRODE DISPOSED ON ONE SURFACE OF SAID SUPPORT MEMBER, (C) SAID SOURCE ELECTRODE BEING FURTHER PROVIDED WITH AN OXIDE COATING THEREON, (D) A DRAIN ELECTRODE DISPOSED ON THE SURFACE OF SAID SUPPORT MEMBER CONTIGUOUS TO SAID SOURCE ELECTRODE AND SLIGHTLY OVERLAPPING THE SAME, (E) SAID SUPPORT MEMBER HAVING AN APERTURE EXTENDING THROUGH FROM THE OPPOSITE SURFACE THEREOF TO EXPOSE PORTIONS OF SAID SOURCE AND DRAIN ELECTRODES, (F) A TUNNEL INSULATING MEMBER DISPOSED ADJACENT THE EXPOSED PORTIONS OF SAID SOURCE AND DRAIN ELECTRODES, (G) A BLOCKING INSULATING LAYER OVERLYING SAID TUNNEL INSULATING LAYER, AND (H) A GATE ELECTRODE DISPOSED ON SAID BLOCKING INSULATOR AND EFFECTIVE WHEN ENERGIZED WITH A SUITABLE ELECTRICAL POTENTIAL TO CREATE A CONDUCTIVE CHANNEL BETWEEN SAID SOURCE AND SAID DRAIN FOR CONTROLLING ELECTRONS WHICH ARE OBLIGED TO TUNNEL FROM SAID SOURCE THROUGH SAID TUNNEL INSULATOR ALONG SAID CHANNEL AND INTO SAID DRAIN.

References Cited (Backward Citations)

US2854611A Cited
US3116427A Cited
US3056888A Cited
US3198670A Cited
US3155886A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag