A PARTICLE IDENTIFICATION DETECTOR FOR LOW MEV IONS

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$50,000.00
Award Year:
1992
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
17561
Agency Tracking Number:
17561
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
301 Chesapeake Dr, Redwood City, CA, 94063
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
() -
Business Contact:
() -
Research Institute:
n/a
Abstract
THIS RESEARCH ADDRESSES THE NEED FOR IMPROVED ANALYTICAL CAPABILITIES IN THE ANALYSIS OF THE NEAR SURFACE COMPOSITION AND DEPTH DISTRIBUTION OF LOW Z ELEMENTS (I.E., THOSE HAVING LOW CHARGE NUMBERS, SUCH AS C, N, AND O) IN MATERIALS SYSTEMS SUCH AS POLYMERS AND PLASTICS. THE RESEARCH OBJECTIVE IS TO DEVELOP A SIMPLE, LOW COST IDENTIFICATION SYSTEM FOR DETECTING LOW Z PARTICLES GENERATED BY ELASTIC RECOIL WITH AN ENERGETIC PARTICLE BEAM. THE NOVEL CONCEPT TO BE ADVANCED BY THIS NEW DETECTION SYSTEM IS THAT THE RISE TIME AND INTEGRATED CHARGE (PULSE HEIGHT) FROM A COMBINED TARGET CHAMBER/GAS PROPORTIONAL COUNTER CAN PROVIDE BOTH IN-DEPTH AND COMPOSITIONAL ANALYSIS. THE AVAILABILITY OF THIS NEW TECHNIQUE WILL POTENTIALLY LEAD TO A BETTER UNDERSTANDING OF VARIOUS MATERIALS SYSTEMS (E.G., ORGANIC OR POLYMERIC COATINGS). IT MAY ALSO LEAD TO THE DEVELOPMENT OF NOVEL MATERIALS WITH UNIQUE AND/OR INNOVATIVE PROPERTIES. IN PHASE I, A GRIDDED PROPORTIONAL COUNTER AND CHAMBER ARE BEING CONSTRUCTED. SEVERAL DIFFERENT POLYMER SAMPLES ARE BEING IRRADIATED WITH MEV BEAMS OF NEON AND ARGON, INCLUDING THIN FILMS OF NYLON, POLYETHYLENETEREPHTHALATE, POLYPROPYLENE FIBERS, AND POLYIMIDE THIN FILMS. THE ENERGY AND INTENSITY OF ELASTIC RECOIL DETECTION (ERD) PARTICLES RESULTING FROM THE IRRADIATION OF THE ABOVE SAMPLES WILL BE MEASURED. THE TIME RISE DIFFERENCE FOR H,C,N AND O ERD PARTICLES IS BEING MEASURED IN THE NEW PROPORTIONAL COUNTER. A TWO-PARAMETER SPECTRUM (ENERGY VS. RISE TIME) WILL THEN BE ACQUIRED TO DEMONSTRATE PARTICLE SPECIATION.

* information listed above is at the time of submission.

Agency Micro-sites


SBA logo

Department of Agriculture logo

Department of Commerce logo

Department of Defense logo

Department of Education logo

Department of Energy logo

Department of Health and Human Services logo

Department of Homeland Security logo

Department of Transportation logo

Enviromental Protection Agency logo

National Aeronautics and Space Administration logo

National Science Foundation logo
US Flag An Official Website of the United States Government