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THIN FILMS OF RHODIUM/IRON ALLOYS FOR WIDE RANGE THERMOMETRY

Award Information

Agency:
National Science Foundation
Branch:
N/A
Award ID:
2654
Program Year/Program:
1988 / SBIR
Agency Tracking Number:
2654
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
Lake Shore Cryotronics, Inc.
575 McCorkle Blvd. Westerville, OH -
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 2
Fiscal Year: 1988
Title: THIN FILMS OF RHODIUM/IRON ALLOYS FOR WIDE RANGE THERMOMETRY
Agency: NSF
Contract: N/A
Award Amount: $197,000.00
 

Abstract:

RESISTANCE THERMOMETERS WOUND OF WIRE MADE FROM DILUTE SOLUTIONS OF IRON IN RHODIUM HAVE PROVEN TO BE SUPERIOR IN SEVERAL WAYS TO EXISTING GERMANIUM AND PLATINUM RESISTANCE THERMOMETERS IN THE RANGE FROM BELOW 1K TO 800K, INCLUDING RANGE, STABILITY AND MAGNETIC FIELD EFFECTS. THE POTENTIAL FOR A SMALL, THERMALLY FAST AND PHYSICALLY ROBUST THIN FILM RESISTANCE THERMOMETER OF THE SAME MATERIAL IS EXAMINED. SIZE EFFECTS AND IMPURITY SCATTERING FROM THE IRON ARE CONSIDERED IN DETERMINING THE POSSIBILITY FOR MAINTAINING ANADEQUATE TEMPERATURE COEFFICIENT OF RESISTANCE TO MUCH LOWERTEMPERATURES THAN OBTAINED WITH THIN FILMS OF PURE PLATINUM.AN EXPERIMENTAL EFFORT IS PROPOSED TO SPUTTER SEVERAL ALLOY COMPOSITIONS AND THICKNESSES AND PERFORM RESISTANCE MEASUREMENTS AS A FUNCTION OF TEMPERATURE IN THE RANGE 1.4K TO 550K. THE SAME TYPE OF THERMAL SHOCK TESTING AS PERFORMED ON PLATINUM, GERMANIUM AND OTHER TYPES OF PRODUCTION THERMOMETERS IS PROPOSED AS A TEST OF FILM ADHERENCE AND STABILITY.

Principal Investigator:

Philip R Swinehart
Vice President Research
6148912243

Business Contact:

Small Business Information at Submission:

Lake Shore Cryotronics Inc.
64 E Walnut St Westerville, OH 43081

EIN/Tax ID:
DUNS: N/A
Number of Employees: N/A
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No