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Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 2. Отображено 2.
05-04-1995 дата публикации

ELECTRODELESS FLUORESCENT LAMP WITH OPTIMIZED AMALGAM POSITIONING

Номер: CA0002133510A1
Автор: BOROWIEC JOSEPH C, CHANG HSUEH-RONG, SENECAL ROBERT A, BOROWIEC, JOSEPH C., CHANG, HSUEH-RONG, SENECAL, ROBERT A.
Принадлежит:

ELECTRODELESS FLUORESCENT LAMP WITH OPTIMIZED AMALGAM POSITIONING An amalgam is accurately placed and retained in an optimal location near the cold spot of an electrodeless SEF lamp for operation at a mercury vapor pressure in the optimum range from approximately four to seven millitorr. The amalgam is positioned at the tip of an extended exhaust tube near the apex of the lamp envelope by forming an indentation in the exhaust tube and, in some embodiments, a dose locating member in combination therewith. An evacuation hole is formed below the indentation for evacuation of the lamp envelope, or bulb, during lamp fabrication. In an alternative embodiment, the extension of the exhaust tube is situated perpendicular to the main portion of the tube to allow for lateral adjustment of the position of the amalgam, thereby allowing for even further control of the amalgam operating temperature.

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Номер записи: 1
28-07-1995 дата публикации

SOLENOID TYPE ELECTRIC FIELD FLUORESCENT DISCHARGE LAMP AND MANUFACTURE THEREOF

Номер: JP0007192627A
Автор: BOROWIEC JOSEPH C, CHANG HSUEH-RONG, SENECAL ROBERT A
Принадлежит:

PURPOSE: To precisely install and retain an amalgam at the optimum position near a low temperature spot of an electrodeless SEF lamp to operate the amalgam at a mercury vapor pressure within the optimum range from about 4 to 7 mtorr. CONSTITUTION: A dent part 36 is formed in an extended part 32 of a gas discharging pipe 30 of an electrodeless SEF lamp, so that an amalgam 34 is positioned at the tip end of the extended part of the gas discharging pipe in the periphery of the apex part 24 of a lamp envelope. An additive positioning member 38 is used in combination with the dent part. Alternatively, the extended part of the gas discharging pipe is positioned at right angles to the main part of the gas discharging part and a dent part and an additive positioning member 38 are formed. Consequently, the position of the amalgam in the transverse direction can be adjusted and the operational temperature of the amalgam can further be controlled. COPYRIGHT: (C)1995,JPO ...

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Номер записи: 2