Disk drive system employing effective disk surface stabilization mechanism

An optical information recording device comprising:

• a driving part driving a flexible optical disk;
• an optical writing part optically writing information onto a record surface of the optical disk;
• and
• a stabilization part, stabilizing vibration of the optical disk along the rotation axis direction of the optical disk by means of pressure difference of air flow created according to Bernoulli's law at a portion on which information writing/reading is performed, provided on a side of the optical disk opposite to a side on which information recording/reproducing is performed,
• wherein said optical writing part and stabilization part are opposed to one another through the optical disk.

An optical information recording device comprising:

• a driving part driving a flexible optical disk;
• an optical writing part optically writing information onto a record surface of the optical disk;
• and
• a stabilization part, stabilizing vibration of the optical disk along the rotation axis direction of the optical disk by means of pressure difference of air flow created according to Bernoulli's law at a portion on which information writing is performed, provided on a side of the optical disk opposite to a side on which information recording is performed,
• wherein areas are provide on the upstream side and down stream side along the disk rotation direction of the portion of the optical disk which is stabilized by said stabilization part, said areas of the optical disk acting as escapes having no pressure difference created thereon by the air flow.

An optical information reproducing device comprising:

• a driving part driving a flexible optical disk;
• a optical reading part optically reading information from a record surface of the optical disk;
• and
• a stabilization part, stabilizing vibration of the optical disk along the rotation axis direction of the optical disk by means of pressure difference of air flow created according to Bernoulli's law at a portion on which information reading is performed, provided on a side of the optical disk opposite to a side on which information reproducing is performed,
• wherein said optical reading part and stabilization part are opposed to one another through the optical disk.

An optical information reproducing device comprising:

• a driving part driving a flexible optical disk;
• a optical writing part optically reading information from a record surface of the optical disk;
• and
• a stabilization part, stabilizing vibration of the optical disk along the rotation axis direction of the optical disk by means of pressure difference of air flow created according to Bernoulli's law at a portion on which information reading is performed, provided on a side of the optical disk opposite to a side on which information reproducing is performed,
• wherein areas are provide on the upstream side and down stream side along the disk rotation direction of the portion of the optical disk which is stabilized by said stabilization part, said areas of the optical disk not having pressure difference created thereon by the air flow.

An information recording/reproducing device comprising:

• a head mechanism provided on one side of a flexible disk recording medium and performing information recording/reproducing onto the disk recording medium;
• a guide member provided on the other side of the disk recording medium and controlling positional change such as surface vibration of the disk recording medium;
• and
• a projection amount control mechanism controlling a projection amount of said guide member with respect to the disk recording medium

An optical recording/reproducing device comprising:

• a driving part driving and rotating a flexible optical disk;
• a pickup performing optical reading/writing onto a recording surface of the optical disk;
• a stabilization guide member provided on a side of the optical disk opposite to a side of the recording surface, and stabilizing surface vibration of the optical disk at a portion on which writing/reading is performed by means of pressure difference of air flow according to Bernoulli's law;
• and
• a tilt adjustment part controlling tilt angles of the stabilization guide member along a disk radius direction and along a disk rotation tangential direction.

An optical disk drive comprising:

• a driving part driving and rotating a flexible optical disk;
• a stabilization guide member provided on a side of the optical disk opposite to a side of a recording surface, and stabilizing surface vibration of the optical disk at a portion on which writing/reading is performed by means of pressure difference of air flow according to Bernoulli's law;
• and
• an adjustment control part controlling a position of the stabilization guide member along a disk rotation axis direction based on a position of a portion of the optical disk on which writing/reading is performed along disk radius direction and rotation speed of the optical disk.

An optical recording/reproducing device comprising:

• a driving part driving and rotating a flexible optical disk;
• a pickup performing optical writing/reading onto a recording surface of the optical disk;
• a stabilization guide member provided on a side of the optical disk opposite to a side of a recording surface, and stabilizing surface vibration of the optical disk at a portion on which writing/reading is performed by means of pressure difference of air flow according to Bernoulli's law;
• and
• an adjustment control part adjusting a mutual position along the disk recording surface between the stabilization guide member and pickup along the recording surface of the optical disk according to the rotation speed of the optical disk.