Electronic component temperature test system with flat ring revo

Details Electronic component temperature test system with flat ring revo Electronic component temperature test system with flat ring revo

1993-08-04

1995-09-19

Karlsen, Ernest F.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324 731, 3241581, 324727, G01R 3100, G01R 2922

Patent

active

054518849

ABSTRACT:
A carriage or dielectric disk (40) has a series of electrical contacts (46, 48) defined by conventional circuit board techniques on upper and lower surfaces around a peripheral edge. Sockets (42, 44) are wave soldered in electrical connection with the electrical contacts. At least the electrical contacts are plated with a hard, dense metal, such as nickel. When components have been frictionally inserted into the sockets, the carriage is placed in a cooling chamber (18). Air of a selected temperature is blown through a central port (22) and directed to flow over the surface of the carriage and the supported components (10). A motor (60) rotates the carriage to move the electrical contacts (46, 48) successively into electrical communication with relatively soft electrical contact springs (58) connected with a test instrument (32). The test circuit measures electrical characteristics or properties of each component at each of a plurality of preselected temperatures. Based on the measured properties, the components are sorted.

REFERENCES:
patent: 3039058 (1962-06-01), Huband et al.
patent: 3039604 (1962-06-01), Bickel et al.
patent: 3094212 (1963-06-01), Moore et al.
patent: 3579102 (1971-05-01), Keating et al.

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