Patent ID: 7301599

Claim:
A method of fabricating a liquid crystal display device, comprising: forming a gate line, a gate pad, and a gate electrode on a first substrate; forming a gate insulating layer on the gate line, the gate electrode, and the gate pad; forming an active layer on the gate insulating layer; forming an ohmic contact layer on the active layer; forming a data line, a data pad, and source and drain electrodes on the ohmic contact layer; forming a pixel electrode contacting the drain electrode; forming a passivation layer on the substrate including the pixel electrode; forming a common electrode on a second substrate; attaching the first and second substrates such that the pixel electrode and the common electrode are facing into each other with a liquid crystal material interposed between the first and second substrates; applying a first etching process to portions of the passivation layer and the gate insulating layer to expose the gate pad by employing one of a beam type atmospheric pressure plasma and a batch type low pressure plasma process; and applying a second etching process to portions of the passivation layer to expose the data pad by employing one of the beam type atmospheric pressure plasma and a batch type low pressure plasma process.