Lead frame conveying method and conveying apparatus

Details Lead frame conveying method and conveying apparatus Lead frame conveying method and conveying apparatus

1997-08-28

1999-11-02

Underwood, Donald W.

Material or article handling

Load carried along a horizontal linear path

Having gripper means

414 14, 414806, 1983451, B65G 4900

Patent

active

059758350

ABSTRACT:
In a lead frame conveying method and apparatus used in, for instance, a wire bonding machine, a detection of the leading end of a lead frame supplied from a lead frame magazine and a positioning of the lead frame on a lead frame path are executed by a positioning sensor which is installed in the vicinity of a bonding position; and after the positioning, the lead frame is chucked by feeding claws so that a first bonding portion on the lead frame is conveyed by the feeding claws to the bonding position, thus avoiding use of the end surfaces of the feeding claws during the execution of positioning of the lead frame.

REFERENCES:
patent: 4010840 (1977-03-01), Eberle
patent: 4770120 (1988-09-01), Kumatsu et al.
patent: 5562382 (1996-10-01), Miyoshi

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