Substrate treating apparatus and method

A substrate processing method comprising:

• placing at least one substrate on a substrate supporter provided inside a process chamber;
• and
• locally distributing activated source gas on the substrate using a gas distributor which locally confronts the substrate supporter and is provided in a chamber lid for covering the process chamber,
• wherein the gas distributor forms plasma using a plasma formation gas, and distributes a source gas to a plasma overlapping area for formation of the plasma, and thus activates the source gas,
• wherein the gas distributor includes first and second plasma formation spaces which are spatially separated from each other, and are supplied with the plasma formation gas;
• and a source gas distribution space which is provided between the first and second plasma formation spaces to separate the first and second plasma formation spaces from each other, and is supplied with the source gas,
• wherein the source gas is activated by plasma to include some of a lower area of the source gas distribution space,
• wherein the gas distributor includes a plurality of ground electrodes to spatially separate the first and second plasma formation space from each other, first and second plasma electrodes respectively inserted into the first and second plasma formation spaces, and the source gas distribution space penetrating through a ground partition for spatially separating the first and second plasma formation spaces from each other,
• wherein locally distributing the activated source gas on the substrate includes:
• supplying plasma formation gas to each of the first and second plasma formation spaces;
• forming plasma to include some of a lower area of the source gas distribution space by supplying plasma power to the first and second plasma electrodes;
• and
• distributing the source gas to a plasma formation area formed in the lower area of the source gas distribution space through the source gas distribution space, and activating the source gas.