Universal punch block apparatus

Details Universal punch block apparatus Universal punch block apparatus

1989-12-06

1991-09-10

Bray, W. Donald

Cutting

With product handling means

Means to move, guide, or permit free fall or flight of product

83 27, 83143, 83164, 83412, 83630, 836391, 83942, F16H 2702

Patent

active

050463896

ABSTRACT:
An inspection station punch block apparatus for removing a portion of an integrated circuit die lead from a lead frame. The missing lead is used to mark a defective die and is lataer monitored by a scanning means which causes rejection of the die from the lead frame. A method of carrying out this operation is also disclosed.

REFERENCES:
patent: 3973453 (1976-08-01), Tameo
patent: 4947716 (1990-08-01), Whistler

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