Blu-ray Recordable Disc BCA Collection

The burst cutting area (BCA) of the disc is the area near the centre hub of a disc before the power-calibration and lead-in areas where no data is stored. Identification markings, however, can be inscribed into this area through the use of high powered lasers. This area often contains unique markings which identify the stamper/process involved in producing the blank disc.

By looking at this area of the disc, one can usually identify the media manufacturer (or sometimes even the mediacode itself) – so if you’re stuck at the shops with a good deal, buy a spindle, crack it open and check a sample before buying more!

I’ve stuck the discs onto a scanner, scanned it, tinkered with the levels and made images of the BCA areas. Unfortunately, the reflectivity of these discs is fairly low, so the images vary in quality – with the REs and DLs, it is hard to get an image at all. Pay attention to the code format, the font, the thickness, the positioning and the direction (forward/reversed) of the BCA print. Here are all the unique discs in my collection –

BD-R Single Layer 25Gb

VERBAT-IMe Retail Jewel Case

verbat-imc-retail

VERBAT-IMe Overprint Spindle

verbat-imc-oprint

TDKBLD-RBB Retail Jewel Case

tdkbld-rbb-retail

TDKBLD-RBB Spindle

tdkbld-rbb-spindle

RITEK-BR1 Retail Jewel Case

ritek-br1

LGBRA-S04 Retail Jewel Case

lgbra-s04

PHILIP-R04 Spindle

philip-r04

INFOME-R30 Spindle

infome-r30

CMCMAG-BA3 Spindle

cmcmag-ba3

CMCMAG-BA5 Spindle

cmcmag-ba5

PRODIS-CR0 Spindle

prodis-cr0

UMEBDR-016 Spindle

umebdr-016

TYG-BD-Y05 (LTH) Spindle

tyg-bd-y05

VERBAT-IMv (LTH) Spindle

verbat-imv

BD-RE Single Layer 25Gb

RITEK-BW1 Retail Jewel Case

ritek-bw1

CMCMAG-CN2 Spindle

cmcmag-cn2

VERBAT-IM0 Jewel Case

verbat-im0

BD-R Dual Layer 50Gb

MEI-T01 Retail Jewel Case

mei-t01

TDKBLD-RFB Retail Jewel Case

tdkbld-rfb

BD-RE Dual Layer 50Gb

TDKBLD-Wfa Retail Jewel Case

tdkbld-wfa

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