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and the beyond BD -Introduction of large capacity optical disc- Takeshi Miki / Sony Corporation 16 March 2011 at MEDIA-TECH Agenda 1. Back ground 2. Physical specifications for BDXL TM 3. Usage of BDXL TM 4. Future extension 1: Back Ground

SLIDE 1

Takeshi Miki / Sony Corporation

and the beyond BD

Introduction of large capacity optical disc-

16 March 2011 at MEDIA-TECH

SLIDE 2

Agenda

1. Back ground
2. Physical specifications for BDXLTM
3. Usage of BDXLTM
4. Future extension

SLIDE 3

1: Back Ground

SLIDE 4

Back ground ～ on BDXLTM ～

Capacity/Disc single dual triple/quadruple 2000 2005 2010 delivery year

25~50GB

File-based editing Real tapeless process

standardization

Broadcasting Movie Medical Data Center

100~128GB

necessary

SLIDE 5

2: Physical specifications for

BDXLTM means triple and quadruple layer Blu-ray DiscTM whose capacity are 100GB and 128GB, respectively.

SLIDE 6

Brief physical specifications of all BD discs

Layer SL DL TL QL Disc type R, RE or ROM R or RE R Capacity 25 GB 50 GB 100 GB 128 GB Capacity/layer 25 GB 34 GB 32 GB Minimum Mark length 0.149 m 0.112 m 0.117 m Track Pitch 0.32 m Modulation 17PP ECC LDC with BIS Sector/Block Size 2 kB / 64 kB Track Path

Opposite track path

Write speed for Media (except ROM) RE: 1x*, 2x R: 1x. 2x. 4x(Opt.), 6x(Opt.) RE: 2x R: 2x, 4x R: 2x, 4x 1x* = 36 Mbps

BDXL™ license has started on June 11, 2010.

 Enhanced layer capacity with just decreasing minimum mark length while keeping

the same specifications of physical layer as SL/DL.

 As legacy devices for BD-RE/R SL/DL do not support BDXL™ discs, new Indication

Logo was defined to avoid user confusion.

SLIDE 7

Requirements for signal quality

Layer SL DL TL QL Disc type R, RE or ROM R or RE R Capacity 25 GB 50 GB 100 GB 128 GB Signal Quality Evaluation Index required for disc with Tester Limit-Equalizer jitter i-MLSE* using PR(1,2,2,2,1) L0: 7.0 % 6.5 %

(without 2T edges)

L0: 7.0 % 6.5 %

(without 2T edges)

L1: 8.5 % 6.5 %

(without 2T edges)

L0: 11.0 % L1: 11.5 % L2: 12.0 % L0: 11.0 % L1: 11.0 % L2: 11.5 % L3: 12.0 % R-SER required for disc with a Tester 2.0E-4 (defined in Part1 Specifications) R-SER required for drive with a Test disc 1.0E-3 (Criteria in Drive Test Specifications.)

 New index for signal quality as i-MLSE based on PR technology is introduced for

BDXL™ , compared to Limit-Equalizer jitter for SL/DL

 A disc is required to have the same Random Symbol Error Rate (R-SER) both for

SL/DL and BDXL™.

 A drive is required to have R-SER criteria specified in Drive Test Spec. using an

authorized Test disc.

i-MLSE*: integrated Maximum Likelihood Sequence error Estimation

SLIDE 8

Structure of BDXLTM Target value for quadruple layer

transmittance/reflectivity

L3≒80%/2% L2≒70%/3% L1≒60%/8% L0≒ ---/20% Spacer thickness 10~20um Cover thickness 50~55um Variation 2.5um

thickness

1. Cover & spacer structure
2. Recording layer characteristics

100um

BDXLTM quadruple Layer

S3 S2 S1 Layer3 Layer2 Layer1 Layer0 Cover

SLIDE 9

Minimum thickness of spacer

Bit error rate dependence of Space Layer thickness

Min. ~10um

Optical Crosstalk

Thickness of Spacer Layers shall be more than 10 µm.

L0 L1 L2 L3

SLIDE 10

Difference in the thickness of spacer Optical inter-layer interference

±1µm Thickness difference Readout Signal

Position

S1 - S2 (µm) m) RF voltage (V)

Influence of optical path difference between the signal light and three- times-reflected signal light on readout signal.

Differences in thickness among Spacer Layers shall be more than 1µm.