Semiconductor device marking apparatus using a rotating stopper

Details Semiconductor device marking apparatus using a rotating stopper Semiconductor device marking apparatus using a rotating stopper

1998-06-09

2000-07-11

Mills, Gregory

Electric heating

Metal heating

By arc

21912182, 1984191, B23K 2600, B65G 4722

Patent

active

060876239

ABSTRACT:
The present invention provides a semiconductor device marking apparatus comprising a package loader, on which a plurality of semiconductor device packages are loaded, a package provider, which provides the semiconductor device packages one by one from the package loader, a transfer rail, which transfers the semiconductor device packages provided by the package provider, a marker, which marks an alphanumeric code on the front surfaces of the semiconductor device packages transferred by the transfer rail, a rotating stopper comprising a stop plate and a package control shaft, and a package unloader, on which the semiconductor device packages passing through the rotating stopper are loaded. Further, the present invention provides a rotating stopper for temporarily stopping semiconductor device packages to be transferred along a transfer rail, the rotating stopper comprising a stop plate and a package control shaft. The present invention advantageously prevents problems such as the replacement of worn-out parts and improves the efficiency of the semiconductor device marking process.

REFERENCES:
patent: 2769520 (1956-11-01), Davidson et al.
patent: 3827582 (1974-08-01), Lederer
patent: 4298118 (1981-11-01), Cottrell
patent: 4662500 (1987-05-01), Agnew
patent: 4921088 (1990-05-01), Horst
patent: 4998614 (1991-03-01), Reimenschneider et al.
patent: 5303811 (1994-04-01), Haley

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