1. Working Group 13 Nov. 20th, 2009 Basic concept Blu-ray Disc for DICOM

2. Progresses in Optical Disc Technology 100 10 1 1980199020002010 Infrared Laser CD-ROM (650MB) PD (650MB) DVD-VideoDVD-ROM(4.7GB/8.5GB) DVD-RAM(4.7GB) Blu-ray Disc ROM (50GB ： Dual-Layer) Year bit density (Gbit/inch 2 ) （ Rewritable) (50GB ： Dual- Layer) （ Rewritable) (50GB ： Dual- Layer) CD-R (650MB) CD-RW(650MB) DVD-R/RW(4.7GB) Red Laser Blue Laser Blu-ray Disc RE

3. 1. Realize high-capacity optical disc in the digital age with features of 12cm in diameter and Max 50GB(dual layer) - 4.5 hours recording of BS digital high-definition broadcasting - adoption of 405nm-wavelength blue-violet laser, objective lens with 0.85 NA, and 0.1mm protection layer 2. Respond to digital broadcasting - suitable format for digital broadcasting (MPEG-TS recording) - copyright protection system to prevent illegal copy 3. Broaden its world by creating format family - expansion into a variety of media and application Concept of Blu-ray Disc

4. 1.2mm 0.6mm DVD 1.2mm 0.1mm Blu-ray Disc 100%19% Beam spot （ area size ） 0.60.85 650nm405nm Protection layer thickness High Density Recording Technologies Adoption ・ 405nm Blue-violet laser diode ・ 0.85 high NA lens Features ・ ×5 high density ・ ×10 large capacity by dual layer Adoption ・ 405nm Blue-violet laser diode ・ 0.85 high NA lens Features ・ ×5 high density ・ ×10 large capacity by dual layer Shorter wavelength: ×2.6 high density Higher NA: ×2 high density

5. Basic Specifications Data capacity 25GB (single layer disc) 50GB (dual layer disc) Laser wavelength405 nm (blue-violet laser) Numerical aperture of lens(NA) 0.85 Data transfer rate36 Mbps Disc diameter120 mm Disc thickness 1.2 mm (thickness of protection layer for light transmission: 0.1 mm) Recording typePhase transition recording Track formatGroup recording Track pitch0.32μm Minimum mark length0.149μm Video recording type MPEG-2, MPEG-4 AVC/H.264,V C1 Sound recording type AC3, LPCM Video&sound multiplexed type MPEG –2 transport stream

6. ＴＡＧ -Data （ N ame of patient 、ＩＤ Date ） ＵＳＢ PC AVCHD Blu-ray use case 1 Medical Camera SD CARD ＵＳＢ ATA BD Drive Media exchange ＤＩＣ ＯＭ MPEG-4 AVC+TAG PACS Viewer

7. ＴＡＧ -Data Blu-ray use case 2 Medical Camera LAN BD Drive Media exchange ＤＩＣＯ Ｍ MPEG-4 AVC+TAG MPEG-4 AVC motion picture ＤＩＣ ＯＭ Medical Recorder MPEG-4 AVC motion picture USB ATA LAN PACS Viewer PACS Server MPEG-4 AVC