Fused silica nuclear magnetic resonance and filter cells with st

Details Fused silica nuclear magnetic resonance and filter cells with st Fused silica nuclear magnetic resonance and filter cells with st

1977-02-02

1978-12-26

Bashore, S. Leon

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65 32, 65 34, 350312, 316 20, 324 05AH, C03B 516, G01N 2700, G02B 524

Patent

active

041314433

ABSTRACT:
After being baked out to remove absorbed gases, fursed silica cell blanks are cooled from a temperature of around 900.degree. C. to a temperature of around 800.degree. C. over a period of at least two hours. After the blanks are cooled to room temperature, an unsaturated vapor of atoms having an S.sub.o ground state is driven into the cell blanks from a reservoir. The cell blanks and the vapor contained therein are subjected to optical resonance radiation for around four hours at room temperature while the cell blanks are connected to the reservoir. A prescribed vapor density is established in the cell blanks before they are sealed off from the reservoir.

REFERENCES:
patent: 1464698 (1923-08-01), Delany
patent: 3178864 (1965-04-01), Anderson et al.
patent: 3721541 (1973-03-01), Simpson et al.
patent: 3817733 (1974-06-01), Thuler
patent: 4045201 (1977-08-01), Caffarella et al.
Introduction to Atomic Spectra by Harvey Elliott White, Ph.D., McGraw-Hill Book Co., N.Y. 1934, pp. 77-85.

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