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US3697318A Expired / Lapsed US ⏱️ 0.0 years remaining

Monolithic integrated structure including fabrication thereof

Assignee: International Business Machines Corp
•
Filing: 1969-12-12
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Granted: 1972-10-10
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Expires: 1989-12-12
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Abstract

Abstract THIS INVENTION RELATES GENERALLY TO MONOLITHIC INTEGRATED STRUCTURES INCLUDING THE FABRICATION THEREOF AND, MORE PARTICULARLY, TO A MONOLITHIC INTEGRATED STRUCTURE THAT IS USED TO PROVIDE A MULTIPLICITY OF VARIOUS CIRCUIT INTERCONNECTIONS SO AS TO PERMIT MORE THAN ONE CIRCUIT TO BE MADE FOR EACH STRUCTURE. MANY LOGIC TYPE INTEGRATED STRUCTURES CAN BE FABRICATED FROM A SINGLE MASTER SLICE CONFIGURATION WHICH CONTAINS A NUMBER OF COMPONENTS IN A PATTERN FAVORABLE TO THE FORMATION OF ANY SELECTED LOGIC CIRCUIT FROM A CLASS OF MANY SUCH CIRCUITS. ADDITIONALLY, FABRICATION TECHNIQUES ARE DESCRIBED FOR FACILITATING FORMATION OF THE INTEGRATED CHIP WHICH INCLUDE MASK ALIGNMENT TECHNIQUES, CHIP TESTING TECHNIQUES, CHIP IDENTIFICATION, PROCESS STEP IDENTIFICATION, ENGINEERING CHANGE NUMBER IDENTIFICATION, ETC.

Inventors

  • 👤 Irving Feinberg
  • 👤 Jack L Langdon
  • 👤 Carl L Sitler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 08:13
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/10; H10W76/12; H10W76/161; H10D; H10D84/00; H10D84/01; H10D84/0123; H10D84/0126; H10D84/0158; H10D84/60; H10D84/611; H10D84/613; H10D84/615; H10D84/90; Y; Y10; Y10S; Y10S148/00; Y10S148/085; Y10S148/102; Y10S148/115; Y10S438/00; Y10S438/975; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49133

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-10-10 1976-04-10 1976-10-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-10-10 1980-04-10 1980-10-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-10-10 1984-04-10 1984-10-10 $7700.00 Window Closed / Lapsed

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