Patent ID: 7422656

Claim:
A dry-etching apparatus, comprising: a process chamber having a gas inlet, the gas inlet allowing a reactive gas into the process chamber; a first electrode arranged at a predetermined location in the process chamber; a second electrode in the process chamber spaced apart from and opposite to the first electrode, the second electrode having a plurality of lift pins received in a plurality of holes, and an insulating tape, the insulating tape being arranged between the plurality of lift pins such that the pins are disposed beyond outer edges of the insulating tape, wherein the insulating tape is selected for having characteristics which do not lower a degree of vacuum, the insulating tape distancing a substrate and the second electrode such that the substrate and the electrode are spaced apart from each other to define a space beyond the outer edges of the insulating tape. and the distance between the substrate and the second electrode reduces an electrostatic attraction between the second electrode and the substrate prior to a lifting of the substrate; and a power source for applying voltages to the first and second electrodes.