A PROPOSAL IS PRESENTED HEREIN TO INITIATE A STUDY OF THE TRANSIENT BEHAVIOR OF A SILICON CHARGE COUPLED DEVICE (CCD) AND ITS RESPONSE TO INCIDENT RADIATION.

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$50,000.00
Award Year:
1985
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
2837
Agency Tracking Number:
2837
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Po Box 498, Glastonbury, CT, 06033
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
BERNARD C WEINBERG
PRINCIPAL INVESTIGATOR
() -
Business Contact:
() -
Research Institute:
n/a
Abstract
A PROPOSAL IS PRESENTED HEREIN TO INITIATE A STUDY OF THE TRANSIENT BEHAVIOR OF A SILICON CHARGE COUPLED DEVICE (CCD) AND ITS RESPONSE TO INCIDENT RADIATION. THE MOTIVATION FOR THIS EFFORT IS BASED ON RECENT ANALYTICAL AND HARDWARE STUDIES WHICH HAVE IDENTIFIED THE POTENIALLY SIGNIFICANT BENEFITS I.E. REDUCED PSUEDONOISE (PN) CODE ACQUISITION TIME, THAT MAY BE ACHIEVED VIA THE APPLICATION OF CHARGE COUPLED DEVICE (CCD) PN MATCHED FILTERS (PNMF). WHILE INCREASING DATA IS BEING PRESENTED TO SUGGEST CCD/PNMF VIABILITY FOR GROUND-BASED APPLICATIONS, THERE IS CONCERN ASTO THE CCD VIABILITY FOR ON-BOARD SPACECRAFT APPLICATIONS WITH RESPECT TO RADIATION SENSITIVITY. THE PROPOSED TECHNIQUE WILL SOLVE THE GOVERNING DRIFT AND DIFFUSION EQUATIONS COUPLED TO POISSON'S EQUATION BY AN EFFICIENT NUMERICAL PROCEDURE. AN INNOVATIVE ASPECT OF THIS EFFORT WOULD BE THE USE OF A WIDE-BAND HETEROJUNCTION FORMULATION FOR THE SI/SIO2 INTERFACE. THE PRESENT PROPOSAL FOCUSES UPON DEMONSTRATING THE FEASIBILITY OF THE APPROACH BY CONDIDERING A THREE-PHASE COPLANAR LAYERED BURIED CHANNEL CHARGE COUPLED DEVICE. SOLUTIONS WILL BE OBTAINED FOR THE STEADY STATE STATIC AND TRANSIENT TRANSFER MODES OF OPERATION. IN ADDITION, AN INCIDENT IONIZING RADIATION TRACK SIMULATION WILL BE CONDUCTED AND AN "EARLY TIME" SOLUTION WILL BE OBTAINED. THE METHOD DEVELOPED UNDER THIS PHASE WILL ALSO BE APPLICABLE TO SURFACE CHANNEL CHARGED COUPLED DEVICES.

* information listed above is at the time of submission.

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