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Title: Horizontal film balance having wide range and high sensitivity

Abstract

A thin-film, horizontal balance instrument is provided for measuring surface tension (surface energy) of thin films suspended on a liquid substrate. The balance includes a support bearing and an optical feedback arrangement for wide-range, high sensitivity measurements. The force on the instrument is balanced by an electromagnet, the current through the magnet providing a measure of the force applied to the instrument. A novel float construction is also disclosed.

Inventors:
 [1];  [2];  [3]
+ Show Inventor Affiliations
  1. (Oak Park, IL)
  2. (Downers Grove, IL)
  3. (Evanston, IL)
Issue Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL
OSTI Identifier:
864765
Patent Number(s):
4413506
Assignee:
Abraham, Bernard M. (Oak Park, IL);Miyano, Kenjiro (Downers Grove, IL);Ketterson, John B. (Evanston, IL) ANL
DOE Contract Number:  
W-31109-ENG-38
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
horizontal; film; balance; wide; range; sensitivity; thin-film; instrument; provided; measuring; surface; tension; energy; films; suspended; liquid; substrate; support; bearing; optical; feedback; arrangement; wide-range; measurements; force; balanced; electromagnet; current; magnet; providing; measure; applied; novel; float; construction; disclosed; surface energy; force applied; wide range; surface tension; measuring surface; optical feedback; feedback arrangement; support bearing; liquid substrate; /73/

Citation Formats

Abraham, Bernard M., Miyano, Kenjiro, and Ketterson, John B. Horizontal film balance having wide range and high sensitivity. United States: N. p., 1983. Web.
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Abraham, Bernard M., Miyano, Kenjiro, & Ketterson, John B. Horizontal film balance having wide range and high sensitivity. United States.
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Abraham, Bernard M., Miyano, Kenjiro, and Ketterson, John B. Sat . "Horizontal film balance having wide range and high sensitivity". United States. https://www.osti.gov/servlets/purl/864765.
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@article{osti_864765,
title = {Horizontal film balance having wide range and high sensitivity},
author = {Abraham, Bernard M. and Miyano, Kenjiro and Ketterson, John B.},
abstractNote = {A thin-film, horizontal balance instrument is provided for measuring surface tension (surface energy) of thin films suspended on a liquid substrate. The balance includes a support bearing and an optical feedback arrangement for wide-range, high sensitivity measurements. The force on the instrument is balanced by an electromagnet, the current through the magnet providing a measure of the force applied to the instrument. A novel float construction is also disclosed.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1983},
month = {1}
}
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