Fixing card for use with high frequency

Details Fixing card for use with high frequency Fixing card for use with high frequency

1991-01-22

1993-06-15

Nguyen, Vinh

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324158F, G01R 106, G01R 3107

Patent

active

052202780

ABSTRACT:
A fixing card for high frequency testing includes an insulation substrate, a measuring circuit formed on the top of the insulating substrate, through-holes formed at the center portion of the insulating substrate, and a fixing ring attached to the underside of the insulating substrate for enclosing the through-holes of the substrate. Probes are fixed to the underside of the insulating substrate and extend through the through-holes to electrically connect with the measuring circuit. In this manner the measuring circuit is located a very short distance from a die sorter being measured, permitting the use of a high frequency band.

REFERENCES:
patent: 3832632 (1974-08-01), Ardezzone
patent: 3835381 (1974-09-01), Garretson et al.
patent: 4352061 (1982-09-01), Matrone
patent: 4585991 (1986-04-01), Reid et al.
patent: 4647851 (1987-03-01), Dugan
patent: 4780670 (1988-10-01), Cherry
patent: 4963821 (1990-10-01), Janko et al.
patent: 4983908 (1991-01-01), Tada et al.
patent: 5041783 (1991-08-01), Ohta et al.
patent: 5091694 (1992-02-01), Ikeda et al.

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