Method for patching up thin-film transistor circuits on a...

Details Method for patching up thin-film transistor circuits on a... Method for patching up thin-film transistor circuits on a...

2005-03-29

2005-03-29

Zarneke, David (Department: 2829)

Semiconductor device manufacturing: process

Repair or restoration

Reexamination Certificate

active

06872580

ABSTRACT:
A method for patching up thin-film transistor (TFT) circuit patterns on a display panel comprises the following steps. Firstly, a mask having an opening is placed above the display panel and the opening corresponds to the location of the cracks of the circuits on the display panel. Subsequently, a plasma sputtering procedure is performed to deposit a metal thin film through the opening of the mask on the display panel so as to connect the broken circuits. When the metal thin film is covered on a plurality of the circuits, a laser cut-out procedure is performed to cut apart the metal thin film on the plurality of the circuits so as to prevent the different circuits from short circuits.

REFERENCES:
patent: 5429994 (1995-07-01), Ishikawa
patent: 5518956 (1996-05-01), Liu et al.
patent: 5795797 (1998-08-01), Chester et al.

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