method of grouping of variable capacitance diodes having uniform

Details method of grouping of variable capacitance diodes having uniform method of grouping of variable capacitance diodes having uniform

1993-03-04

1994-08-23

Nguyen, Vinh

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324766, G01R 3122

Patent

active

053410947

ABSTRACT:
A characteristic testing method for variable capacitance diodes includes separating element pellets of variable capacitance diodes and picking up pellets neighboring each other in any one of a longitudinal, lateral, and oblique direction. The pellets are rearranged in a row in a frame according to the order of picking up and the rearranged pellets are packaged to form capacitor components. The characteristics of the capacitor components are measured to reject defective capacitor components and to obtain a group of successive good components. Quality judgement criteria are set on the basis of the results of the testing.

REFERENCES:
patent: 2999587 (1961-09-01), Campbell
patent: 3614614 (1971-10-01), Starliper
patent: 3702438 (1972-11-01), Cole, Jr.
patent: 3778713 (1973-12-01), Jamison
patent: 3914690 (1975-10-01), Shelnutt
patent: 4985988 (1991-01-01), Littlebury
patent: 5005338 (1991-04-01), Kemkers et al.

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