Glass manufacturing – Processes – Fusion bonding of glass to a formed part
Patent
1991-11-22
1993-03-30
Lindsay, Robert L.
Glass manufacturing
Processes
Fusion bonding of glass to a formed part
29838, 29841, 29850, 29859, 65 5935, 65 213, 65 596, 65139, C03C 2702
Patent
active
051980096
ABSTRACT:
Alkali metal-containing glass beads for use as sources in thermionic detectors for gas chromatography are manufactured by a method which produces reproducible beads of preselected sizes. A glass tube of the desired composition is reduced to capillary size. A section having the volume of the desired bead is cut from the capillary tube and threaded onto a support wire. It is then melted and caused to coalesce onto the support wire. The resultant bead and a portion of the support wire are then incorporated into the detector.
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patent: 3461532 (1969-08-01), Lybarger
patent: 3852037 (1974-12-01), Kolb et al.
patent: 4203726 (1980-05-01), Patterson
Burgett, Smith, Bente, Wirfel & Goodhart; Chromatographic Capabilities of the Nitrogen-Phosphorus Selective Detector; Hewlett-Packard, Avondale, Pa.
Hartigan, Purcell, Novotny, McConnell & Lee; Journal of Chromatography 99 (1974) 339-348.
Greenhalgh, Muller & Aue; Journal of Chromatographic Science, vol. 16, Jan. 1978.
ASTM Designation: E 1140-86.
Lubkowitz, Semonian, Galobardes & Rogers; Analytical Chemistry, vol. 50, No. 4, Apr. 1978.
Perkin-Elmer Order No. L-394, Sep. 1974.
Dang Richard
Purcell John E.
Grimes Edwin T.
Lindsay Robert L.
The Perkin Elmer Corporation
Wahl John R.
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