• Outer Diameter 138 mm – 145 mm
• Inner Diameter 22 mm + 0.01 mm / +0.005
• Thickness 0.3 mm - 0.01 mm
• Stamper rear side surface finish max. Ra 0.03 ?m
• Burr - free at inside and outside diameter
• Stamper rear side flatness max 0.3 mm

• DVD 5 4.7 GB
• DVD 9 8.54 GB
• DVD 10 9.4 GB

• DLT Tape
• DVD-R (for none coded DVD 5 or DVD 10 only)
• DVD replicate (non coded) for DVD 5, DVD 9, DVD 10.

• Type III or III XT, IV.
• The tape must be in ANSI format, containing DDP or CMF.
  • 1 DLT per DVD layer, i.e. 1 DLT for a DVD 5, 2 DLTs for a DVD 9 (layer 0 and 1),
  • 2 DLTs for a DVD 10 (side A and B).
• Maximum image size (per layer): Single layer DVD (DVD 5 or DVD 10): 2 294 912 sectors maxi program length (4.7 billion * bytes) Double layer DVD (DVD 9): 2 084 960 sectors maxi program length per layer (4.27 billion bytes)
• In accordance with the ANSI format and the DDP 2.00, each DLT as each tape and file media must contain the following elements: Beginning of tape
• DDP ID
• DDP MS
• Control data of the lead-in (control.dat).
• Programmed data (main.dat)
• End of tape

The DDP files can be supplied on floppy disc.


DVD – R


1 DVD – R per DVD layer for single layer only, i.e. 1 DVD-R for a DVD 5, 2 DVD –Rs for a DVD 10
(sides A and B)
For non-coded DVD images without anti-copy system (e.g. CSS).
DVD- Replicate
For non-coded DVD images without anti-copy system (e.g. CSS).
Mastering - logotypes and bar codes
Customer's logotypes can be put on the Inner Diameter (ID) band as well as barcodes. The graphic file
for the logotype must be in two colors *.pcx or *bmp format, with size ? 6000 X 200 pixels. The
graphics file could cover the whole ID circle or a part of it.
* It's highly recommended to provide a print out of the graphics as it should appear on the stamper / replica
We have also the possibility to produce graphics up to 16 colors grayscale

Mastering - pit-art

For an additional cost, pit-art or outer radius graphics can be produced outside the information area. The
customer must provide *.pcx or *. bmp file with the graphics or text to be produced * (see below)
The size and the resolution of graphics have to be negotiated with the Mastering facility.


Mastering - Stamper specifications

Thickness 290-300 ? m
Centre hole diameter 22 + 0,01, 34 + 0,01 mm
Outer diameter 138 mm
Eccentricity < 30 m m
Roughness Ra 0.08 – 0.2 m m
Rmax < 1,6 m m
All stampers will be tested before shipment and vacuum packed to ensure that the stampers leave our site in perfect condition.
Mastering - backup archiving

It's possible to archive our customer's backup mothers for one year. We will also guarantee the production of additional stampers from these mother backups for a period of 12 months following the original production.


Mastering - couriers/distribtion

We operate with several couriers outside Bulgaria. FedEx, TNT, UPS, DHL.