Method of making a cold cathode gas laser discharge tube

Details Method of making a cold cathode gas laser discharge tube Method of making a cold cathode gas laser discharge tube

1975-08-15

1977-03-15

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

With sealing off of gas evacuating opening

29 2516, 65 42, 65 59A, 313220, 316 20, C03C 2900, C03B 2320

Patent

active

040122140

ABSTRACT:
Use of press-molded flanged glass envelope members each including a central hollow cylindrical portion enables fabrication of high output cold cathode gas laser tubes of reduced axial length with materially reduced cost of production. The cylindrical portion of one of the envelope members surrounds one end region of the capillary tube thereby to prevent discharge concentration on the adjacent end region of the cylindrical cold cathode while that of the other envelope member serves to support the capillary tube at about the middle of its axial length, eliminating the need for a "flaring operation" requiring highly skilled labor.

REFERENCES:
patent: 2181240 (1939-11-01), Kimble
patent: 2204217 (1940-06-01), Herriger
patent: 2683333 (1954-07-01), Canicoba
patent: 2784284 (1957-03-01), Zunick
patent: 3495119 (1970-02-01), Kolb
patent: 3851272 (1974-11-01), Shull et al.

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