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Sharp aims for 8X Blu-ray laser diode by 2010

23 March 2008 18:54 by James "Dela" Delahunty | 7 comments

In a technological briefing held in Japan, Sharp revealed some of its plans relating to Blu-ray laser diodes. The company is a pioneer in the field after mass-producing the industry's first infrared laser diode for use in CD players in 1982. Sharp showcased its latest High-Power Blue-Violet Laser Diode for Blu-ray recorders that could achieve 6X writing speed.

Two variations of the diode will begin mass-production next month; the GH04P25A4G which is suitable for notebook PC Blu-ray drives and the GH04P25A2G which can be installed in Desktop Blu-ray writers. Both have a power output of 250mW. However, the more enthusiastic news came when Sharp revealed its post-6X plans.

The company is developing a 300mW laser diode that will be capable of recording Blu-ray discs at 8X speed. This will likely reach mass-production in 2009 with a future planned diode with a power output of 400mW possibly in line for mass production in 2010.

Permalink to this article | Topic: Blu-ray

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DXR88 (Senior Member) 23 March 2008 19:53
mmm.. its like they dont even care about the lawsuit that was placed upon them... This is interesting News indeed if it can hold true there is no reason it cant happen. [ + quote] This message has been edited since posting. Last time this message was edited on 23 March 2008 19:55
vinny13 (Inactive) 23 March 2008 20:48
I'd buy that... 8X will be good enough for a LONG time... Sure, my DVD burner burns at 16x but I still burn all my DVDs at 4x to be safe... [ + quote]
DjDanio (Newbie) 24 March 2008 14:06
8x blu ray > 8x dvd > 8x cd 8x blu ray will transfer data faster than 8x dvd. [ + quote]
DXR88 (Senior Member) 24 March 2008 14:54
well here some read write specs. For a CD, 1x = 150 KiB/sec For a DVD, 1x = 1.385 MiB/sec (1.32 MB/sec) [HD DVD: 1x = 4.57 MiB/sec (4.36 MB/sec)] [Blu Ray: 1x=6.74 MiB/sec (6.43 MB/sec)] [MiB = mebibyte, or mega binary byte. Equals 2^20 Bytes [ + quote]
Silver2k (Newbie) 25 March 2008 21:34
How about working on lowering the costs to consumers for Blu-Ray burners, then work on increasing the writing speed?. [ + quote]
iluvendo (AfterDawn Addict) 25 March 2008 22:55
*Originally posted by vinny13:* I'd buy that... 8X will be good enough for a LONG time... Sure, my DVD burner burns at 16x but I still burn all my DVDs at 4x to be safe... I'm with you! [ + quote]
kubapolak (Junior Member) 31 March 2008 13:41
*Originally posted by Silver2k:* How about working on lowering the costs to consumers for Blu-Ray burners, then work on increasing the writing speed?. I totally agree! [ + quote]