Sony Japan today announced a new technology called "Postscribed ID" for used with CD-ROMs. With the current CD-ROM technology, we cannot place additional record of data once the disc has been produced. Sony with the "Postscribed ID" technology, can add additional record of ID data on the signal side of a CD-ROM disk using a high output semiconductor laser by developing high precision position control technology of special reflective film material and a micron level...

Since record of ID data is performed in the position defined based on the CD-ROM standard, read-out of ID data is possible at almost all CD-ROM correspondence drive marketed. In addition, use of ID data is performed combining the exclusive software united with the use purpose.

"Postscribed ID" is carrying out additional record of 6-28 bytes of ID data to the appointed domain based on the CD-ROM standard. By recording a title number, a serial number, etc., user's registration, discernment/attestation of a regular user, and prevention of double access and distribution of a code key are carried out, and offer of the service which specialized in every user etc. is enabled.

Moreover, since an order person can also define ID data, it is realizable to record a member number etc. and to distribute CD-ROM etc.

Sony will use "Postscribed ID" to various CD-ROM applications, such as software for computers, education, publication, a promotion, and training.

"Postscribed ID main features"

1) Adds individual information (ID data) for CD-ROM discs. It is possible to record various data [such as a serial number..].

2) It is based on a CD-ROM standard.

"Postscribed ID" is based on the CD-ROM standard (yellow book).

3) Reading in the existing CD-ROM correspondence drive is possible.

Read-out of ID data is possible at almost all CD-ROM readers without have to change the hardware or firmware. In addition, use of ID data is performed combining the software united with the purpose.

Contact Information:

Sony Music Entertainment, Inc. (Japan)
Telephone: 03-3266-7922
E-mail: hirofumi.nakayama@sonymusic.co.jp

Sony Disc Manufacturing (U.S.)
Director Sales
Telephone: +1-800-358-7316
E-mail: WebSDM@disc.sony.com

Sony DADC (Europe)
Director Marketing & Direct Sales
Telephone: +43-6246-880
E-mail: johannes_stegfellner@sonydadc.com