HTMU test handler throw measuring unit

Details HTMU test handler throw measuring unit HTMU test handler throw measuring unit

1998-02-09

1999-09-07

Raevis, Robert

Measuring and testing

Instrument proving or calibrating

Span or set point adjustment

G01D 1800

Patent

active

059489600

ABSTRACT:
A handler throw measuring unit (HTMU) for calibrating a test handler that handles an integrated circuit package. The throw measuring unit includes a plurality of pogo pins that are coupled to a base plate and a spring plate. The pogo pins are deflected when a test handler pushes the spring plate. The HTMU has a gauge that is coupled to the spring plate to measure the amount of pogo pin deflection. The amount of deflection can be provided on a numerical readout. An operator can incrementally move the test handler until the readout provides a desired value.

REFERENCES:
patent: 5103572 (1992-04-01), Ricklefs
patent: 5253428 (1993-10-01), McMurtry
patent: 5269067 (1993-12-01), Waeldele et al.
patent: 5665897 (1997-09-01), Lippmann et al.

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