Method for fabricating a mass spectrometer inlet leak

Details Method for fabricating a mass spectrometer inlet leak Method for fabricating a mass spectrometer inlet leak

1975-11-26

1977-05-24

Kellogg, Arthur O.

Glass manufacturing

Processes

Fusion bonding of glass to a formed part

65 59A, 65 64, 65108, C03B 2308, C03C 2702

Patent

active

040253279

ABSTRACT:
A method of fabricating an inlet leak for measuring chemically reactive gases. The method involves the steps of preparing a selected internal surface of a high melting point metal tubing for sealing to a glass tubing; inserting a portion of the glass tubing into the prepared portion of the metal tubing, the glass tubing having an outer diameter substantially the same as the inner diameter of the metal tubing; sealing the inserted glass tubing to the internal surface of the metal tubing; drawing the glass tubing under a magnifying device to reduce the entire interior diameter thereof to substantially two microns; and breaking away an end portion of the drawn glass tubing.

REFERENCES:
patent: 3393988 (1968-07-01), Blumenthal
patent: 3632325 (1971-01-01), Evey et al.
patent: 3652248 (1972-03-01), Loxley et al.

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