Optical recording medium having pre-formed land-prepits and method for producing same

A method for producing an optical recording medium having a groove information track for forming information pits carrying information data and a land prepit track connected to said groove information track, said land prepit track having a plurality of land prepits formed previously, said method comprising:

• a step of shifting a position of a spot of a cutting light beam on a mask sheet in a direction perpendicular to a direction in which said groove information track is to extend;
• a step of returning the position of said spot of said cutting light beam after being shifted, wherein, in at least one part of each of sections where said land prepits exist, a track width of said groove information track is made narrower than the track width at sections where said land prepits are absent.

A method for producing an optical recording medium having a groove information track for forming information pits carrying information data and a land prepit track connected to said groove information track, said land prepit track having a plurality of land prepits formed previously, said method comprising:

• a step of shifting a position of a spot of a cutting light beam on a mask sheet in a direction perpendicular to a direction in which said groove information track is to extend;
• a step of returning the position of said spot of said cutting light beam after being shifted, wherein in at least one part of each of sections where said land prepits exist, a track width of said groove information track is made narrower than the track width at sections where said land prepits are absent, wherein a laser power of said cutting light beam is increased for a predetermined period in at least one of sad step of shifting and said step of returning the position of the spot of the cutting light beam.