21. Holographic Data Storage hardware for holographic data storage. Figure 3 shows the most important hardware components in a holographic storage system the SLM used to imprint data http://www.research.ibm.com/journal/rd/443/ashley.html

Home My account Select a country Journals Home ... Contact Us Volume 44, Number 3, 2000 Directions in information technology HTML PDF ASCII This article: HTML PDF ASCII Holographic data storage by J. Ashley , M.-P. Bernal , G. W. Burr , H. Coufal , H. Guenther , J. A. Hoffnagle , C. M. Jefferson , B. Marcus , R. M. Macfarlane , R. M. Shelby , and G. T. Sincerbox We present an overview of our research effort on volume holographic digital data storage. Innovations, developments, and new insights gained in the design and operation of working storage platforms, novel optical components and techniques, data coding and signal processing algorithms, systems tradeoffs, materials testing and tradeoffs, and photon-gated storage materials are summarized. Introduction With its omnipresent computers, all connected via the Internet, the Information Age has led to an explosion of information available to users. The decreasing cost of storing data, and the increasing storage capacities of the same small device footprint, have been key enablers of this revolution. While current storage needs are being met, storage technologies must continue to improve in order to keep pace with the rapidly increasing demand. However, both magnetic and conventional optical data storage technologies, where individual bits are stored as distinct magnetic or optical changes on the

22. A One-megapixel Reflective Spatial Light Modulator System For Holographic Storag spatial light modulator system for holographic storage Author bios. in the hardware and software support of flatpanel display systems in 1994. http://www.research.ibm.com/journal/rd/423/greieaut.html

Home My account Select a country Journals Home ... Contact Us Volume 42, Numbers 3/4, 1998 High-resolution displays HTML ASCII This article: HTML ASCII A one-megapixel reflective spatial light modulator system for holographic storage - Author bios by J. L. Sanford , P. F. Greier , K. H. Yang , M. Lu , R. S. Olyha , Jr., C. Narayan , J. A. Hoffnagle , P. Alt and R. Melcher Biographical sketches of authors James L. Sanford IBM Research Division, Thomas J. Watson Research Center, P.O. Box 218, Yorktown Heights, New York 10598 ( sanfordj@us.ibm.com Mr. Sanford is a Senior Engineer in the Flat Panel Display Technologies Department at the IBM Thomas J. Watson Research Center. He received a B.S.E.E. degree from the Ohio State University in 1972, joining IBM that same year at the Office Products Division, Lexington, Kentucky. His work has involved various aspects of electronic circuits, printers, and displays. His present interests are in circuits for active-matrix displays, projection displays, and related applications. IBM honors received by him include an Outstanding Technical Achievement Award, a Research Division Group Award, and two Invention Achievement Awards. He is a member of the Society for Information Display. Paul F. Greier

23. Storage.itworld.com - Optware Attempts To Standardize Holographic Storage Title, Optware attempts to standardize holographic storage storage hardware HVD developer Optware gets Toshiba cash IDG News Service http://storage.itworld.com/4653/050105optware/

Special: Prepare your infrastructure for high-density computing Go to network sites www.itworld.com open.itworld.com security.itworld.com smallbusiness.itworld.com storage.itworld.com utilitycomputing.itworld.com wireless.itworld.com Search Title Optware attempts to standardize holographic storage Type News Source IDG News Service 01/05/2005 Summary Optware Corp. will have specifications for its holographic storage technology approved by an international standards body in 2006, making it the first company to attempt to create an industry standard for holographic storage, the company's president said. continue Advertisement On this topic Researchers to develop China-only version of HD-DVD Toshiba reviewing HD-DVD launch plans Plasmon develops compliant write-once UDO media IDC: Broadening the Blade Systems Portfolio ... storage.itworld.com. Sign up Now! Featured topics Enterprise storage management Apple Expo: Apple releases Backup 3.0 Macworld.co.uk A new approach to managing downtime IT Strategy Center The need for e-mail resilience IT Strategy Center Storage management software Netgear and Zetera slash cost of SANs Techworld.com

24. Storage.itworld.com - Setting Storage Standards For Holographic Storage Summary, holographic storage is reaching a new stage of development this storage hardware HVD developer Optware gets Toshiba cash IDG News Service http://storage.itworld.com/4653/050301holographic/

Special: Prepare your infrastructure for high-density computing Go to network sites www.itworld.com open.itworld.com security.itworld.com smallbusiness.itworld.com storage.itworld.com utilitycomputing.itworld.com wireless.itworld.com Search Title Setting storage standards for holographic storage Type News Source Byte and Switch 2/28/05 Summary Holographic storage is reaching a new stage of development this week, as a technical committee of Ecma International begins meetings to establish standards, using single-beam technology from Opware Corp. as the basis of standards for holographic disks and cards. continue Advertisement On this topic Researchers to develop China-only version of HD-DVD Toshiba reviewing HD-DVD launch plans Plasmon develops compliant write-once UDO media IDC: Broadening the Blade Systems Portfolio ... storage.itworld.com. Sign up Now! Featured topics Enterprise storage management Apple Expo: Apple releases Backup 3.0 Macworld.co.uk A new approach to managing downtime IT Strategy Center The need for e-mail resilience IT Strategy Center Storage management software Netgear and Zetera slash cost of SANs Techworld.com

25. Holographic Memory Indeed, the theoretical promise of holographic storage has been talked Eventually, if the hardware becomes affordable for consumers, holographic storage http://www.technologyreview.com/articles/05/09/issue/feature_memory.asp

CUSTOMER SERVICE LOGIN JOIN NOW HOME ... FORUMS SEARCH: All Topics: Biotech / Healthcare Business Computing ... Look inside current issue SPONSORED LINKS Print Forums Holographic Memory By Gregory T. Huang September 2005 Page 1 of next Although the offices of IBM and Hewlett-Packard are nearby, Longmont, CO, is decidedly not Silicon Valley chic. But in this Denver suburb, a radical experiment in data storage is under way. At the headquarters of InPhase Technologies, where the conference rooms are named after ski resorts, chief executive Nelson Diaz holds up a clear plastic disc, about the size of a DVD but thicker, and pops it into a disc drive. A laptop connected to the drive downloads streaming video of an old episode of Seinfeld as the drive writes it to the disc. But this is no ordinary recording process. The disc has more than 60 times the storage capacity of a standard DVD, while the drive writes about 10 times faster than a conventional DVD burner. That means the disc can store up to 128 hours of video contentalmost twice enough for the full nine seasons of Seinfeldand records it all in less than three hours. It's likely to be one of the first commercial systems to use "holographic storage," in which bits are encoded in a light-sensitive material as the three-dimensional interference pattern of lasers. Unlike CDs and DVDs, which store data bit by bit on their surfaces, holographic discs store data a page at a time in three dimensions, enabling huge leaps in capacity and access speed. And InPhase, a 70-person startup spun out of Lucent Technologies' Bell Labs in Murray Hill, NJ, is leading a handful of companies racing to commercialize this optical storage breakthrough.

26. Optware Seeks U.S. Vendors To Adopt Holographic Storage - Computerworld Home Browse Topics hardware storage Optware attempts to standardize holographic storage Japan s Optware advances holographic disc storage http://www.computerworld.com/hardwaretopics/storage/story/0,10801,99464,00.html

IDG Network: Computerworld IDG.net Careers CRM Data Mgmt Development E-business ERP/Supply Chain Hardware IT Management Networking Operating Sys ROI Security Storage Web Site Mgmt xSP See this year's Horizon Award honorees for cutting-edge technologies Free E-Newsletters Keep up on technology news and trends with our free e-mail newsletters! Select from daily and weekly updates including alerts and roundups by topic. Sign up today! Knowledge Centers Security Storage Hardware ... Software More Knowledge Centers: Select one... Business Intelligence CRM Careers Data Management Development E-business ERP Government Hardware IT Management Networking Operating Systems Outsourcing ROI Security Software Storage Web Site Management Partner Zones Business Service Mgmt. Data Explosion Zone Database Resources ... E-mail Newsletters News Feeds Home Browse Topics Hardware Storage Optware seeks U.S. vendors to adopt holographic storage It claims the technology allows 3TB of data to be stored on one disc Related to this topic Optware attempts to standardize holographic storage Japan's Optware advances holographic disc storage EU executive unveils electronic data storage plan ... HP to acquire Peregrine Systems for $425M Other resources Free resource: Solutions for the Growing Business on the Move - Embrace mobility for a competitive edge!

27. Japan's Optware Advances Holographic Disc Storage - Computerworld Home Browse Topics hardware storage The company has developed a socalled Collinear holographic Data storage System that uses a green http://www.computerworld.com/hardwaretopics/storage/story/0,10801,95446,00.html

IDG Network: Computerworld IDG.net Careers CRM Data Mgmt Development E-business ERP/Supply Chain Hardware IT Management Networking Operating Sys ROI Security Storage Web Site Mgmt xSP See this year's Horizon Award honorees for cutting-edge technologies Free E-Newsletters Keep up on technology news and trends with our free e-mail newsletters! Select from daily and weekly updates including alerts and roundups by topic. Sign up today! Knowledge Centers Security Storage Hardware ... Software More Knowledge Centers: Select one... Business Intelligence CRM Careers Data Management Development E-business ERP Government Hardware IT Management Networking Operating Systems Outsourcing ROI Security Software Storage Web Site Management Partner Zones Business Service Mgmt. Data Explosion Zone Database Resources ... E-mail Newsletters News Feeds Home Browse Topics Hardware Storage Japan's Optware advances holographic disc storage Each disc could store as much as 200GB of data Related to this topic EU executive unveils electronic data storage plan Researchers to develop China-only version of HD-DVD HP to acquire Peregrine Systems for $425M ... Backup Breach Other resources Free resource: Solutions for the Growing Business on the Move - Embrace mobility for a competitive edge!

28. Getting Holographic For those who aren t familiar with holographic storage, it begins with a laser beam that later this year for developers of holographicstorage hardware, http://emusician.com/mag/emusic_getting_holographic/

var towercount = 0; var buttoncount = 0; var vertbannercount = 0; var smsquarecount = 0; var rectanglecount = 0; var spotlightcount = 0; var vertrectanglecount = 0; var lgsquarecount = 0; var bannercount = 0; var halfbannercount = 0; HOME PRODUCT NEWS FEATURE ISSUE EM SPOTLIGHT ... List Rentals Getting Holographic By Scott Wilkinson May 1, 2004 12:00 PM E-mail this article Data storage on optical discs has been of critical importance to electronic musicians and consumers ever since CDs first appeared two decades ago. Since then, the capacity of those 12 cm plastic discs has increased from 650 MB to 4.7 GB on DVD to 25 GB on blue-laser discs, which will hit the U.S. market within a year or two. While 25 GB sounds like a lot, experience teaches us that we will soon outgrow even that capacity, and the basic idea of representing bits of information as pits and lands in a spiral track on the disc probably can't be extended much further. However, there is hope for creating optical discs with much greater capacities, thanks to a different approach: holographic encoding. What seemed like a sci-fi dream just a few years ago will soon be an actual commercial product, thanks in large part to a company called InPhase Technologies ( www.inphase-tech.com

29. Holostorage - A Whatis.com Definition - See Also: Holographic Storage All Categories hardware General hardware Terms. holographic storage holographic storage is computer storage that uses laser beams to store http://whatis.techtarget.com/definition/0,289893,sid9_gci214452,00.html

Search our IT-specific encyclopedia for: or jump to a topic: Choose a topic... CIO CRM Data Center Domino Enterprise Linux Enterprise Voice Exchange IBM S/390 IBM AS/400 Mobile Computing Networking Oracle SAP Security Small Medium Business SQL Server Storage Visual Basic Web Services Windows 2000 Windows Security Windows Systems Advanced Search Browse alphabetically: A B C D ... Primary storage/Storage hardware holographic storage Holographic storage is computer storage that uses laser beams to store computer-generated data in three dimensions. Perhaps you have a bank credit card containing a logo in the form of a hologram . The idea is to use this type of technology to store computer information. The goal is to store a lot of data in a little bit of space. In the foreseeable future, the technology is expected to yield storage capacities up to a terabyte in drives the same physical size as current ones. A terabyte would be enough space for hundreds of movies or a million books. Although no one has yet mass-commercialized this technology, many vendors are working on it. InPhase Technologies, which was founded by Lucent, is working on a product capable of storing 200 gigabytes of data, written four times faster than the speed of current DVD drives. Although current versions are not rewritable, the company expects to make holographic storage that can be rewritten within the next few years. The first products are likely to be expensive, and only feasible for large organizations with unusual needs for storage. However, vendors expect to make holographic storage available and affordable for the average consumer within the next few years.

30. HVD Coming To A Storage Device Near You holographic storage drives and other products based on holographic storage and analysis on enterprise and small business storage hardware and software. http://www.thechannelinsider.com/article2/0,1895,1760259,00.asp

31. Holographic Data Storage Optimisation of a novel photopolymer for use in holographic data storage increased automation of data storage hardware/software, use of peristrophic http://www.ieo.dit.ie/holographicdatastorage.html

Optimisation of a novel photopolymer for use in holographic data storage Main Contact: Hosam Sherif In 2002, it was estimated that people produced 5 exabytes (5 billion gigabytes) of data [1], the majority of which was in digital form. Since this figure is always growing and analogue media is constantly being converted to digital, new methods of storing this data are needed. Currently the two main storage methods i.e. magnetic and optical are just about keeping ahead of these needs; unfortunately this is not always going to be the case. The limit of hard drive storage is expected to be reached within the next ten to fifteen years [2]. By then magnetic bit sizes will be so small that phenomenon such as the super paramagnetic effect (SPE) and shot noise will cause the polarity of the magnetic fields to flip randomly. Likewise, optical disks such as DVDs may reach their maximum capacity due to the diffraction limit of the laser light used. The aim of this work is to test and optimise novel photopolymers developed in the IEO for use as holographic data storage medium. To facilitate this, an integrated optical set up has been constructed. The system is capable of functioning in two distinct ways. Firstly, it can be used as a method of characterising a photopolymer in terms of M/#, temporal stability, and angular selectivity. Secondly, with the insertion of a spatial light modulator the system along with relevant optics (collimator, polariser, CCD camera), can be used to record and read back page wise data.

32. Storage Enters The Third Dimension - Vnunet.com The advantage of holographic storage is that unlike magnetic especially as power demands from more and more storage and hardware threaten to push power http://www.vnunet.com/vnunet/analysis/2132076/storage-enters-third-dimension

View UK websites Accountancy Age Active Home Computer active Computing CRN Financial Director Infomatics Information World Review IT Week Management Consultancy Network IT Week Personal Computer World PC Magazine VNU Web seminars vnunet.com Web active What PC? Register Update details HOME NEWS ... More... All articles News Reviews Downloads Forums Jobs White Papers vnunet.com Analysis Storage Print Discuss Send to friend R E L A T E D C O N T E N T Similar articles Online storage service may cut costs IBM in double assault on storage arena More stories News centre News Analysis Comment Features ... Email newsletters RSS feeds More from vnunet.com Brits go mobile download crazy Toshiba 30GB HD-DVD tops Blu-ray BA offers online Green Form service ADVERTISEMENT Storage enters the third dimension To many, holograms are either those silver pictures of William Shakespeare on your credit card or something off Star Trek. But the technology may finally move out of the realms of sci-fi novelty and into storage. Rene Millman

33. Optware Attempts To Standardize Holographic Storage | InfoWorld | News | 2005-01 Optware will have specifications for its holographic storage technology Quantum s DX100 won storage Magazine s Best Backup hardware Product of the Year, http://www.infoworld.com/article/05/01/05/HNoptwareholographic_1.html

var cType = "Article"; var section = "News"; var type = "News"; var subType = ""; var pkeys = new Array("Storage"); var skeys = new Array("Backup and recovery","Disk-based backup appliances"); var primaryAud = new Array("CIO"); var secondaryAud = new Array("CTO"); About InfoWorld Advertise Subscribe Contact Us ... Store hbx.mlc="/news/storage++";//MULTI-LEVEL CONTENT CATEGORY SPECIAL REPORTS RSS FEEDS Site IT Product Guide adCall("728","90","leader"); FREE TECHNOLOGY NEWSLETTERS Wireless Report Government Channel Report Optware attempts to standardize holographic storage Company hopes to have specs for its holographic storage technology approved in 2006 By Paul Kallender, IDG News Service January 05, 2005 Optware will have specifications for its holographic storage technology approved by an international standards body in 2006, making it the first company to attempt to create an industry standard for holographic storage, the company's president said in an interview on Jan. 5. SPONSOR Hitachi Data Systems Application Optimized Storage(TM) solutions Sponsored by Hitachi SPONSOR IT STRATEGY GUIDE: BUILDING BUSINESS TO SCALE Sponsored by HP adCall("336","280","imu");

34. InPhase Plans Holographic Storage Device For 2006 | InfoWorld | News | 2005-01-0 InPhase Technologies is one step closer to bringing holographic storage Quantum s DX100 won storage Magazine s Best Backup hardware Product of the Year, http://www.infoworld.com/article/05/01/05/HNinphaseholographic_1.html

var cType = "Article"; var section = "News"; var type = "News"; var subType = ""; var pkeys = new Array("Storage"); var skeys = new Array("Backup and recovery","Disk-based backup appliances"); var primaryAud = new Array("CIO"); var companies = new Array("45843"); About InfoWorld Advertise Subscribe Contact Us ... Store hbx.mlc="/news/storage++";//MULTI-LEVEL CONTENT CATEGORY SPECIAL REPORTS RSS FEEDS Site IT Product Guide adCall("728","90","leader"); FREE TECHNOLOGY NEWSLETTERS Wireless Report Government Channel Report InPhase plans holographic storage device for 2006 Company hopes to ship by 2009 drives that can store as much as 1.6TB on a single disc By Robert McMillan, IDG News Service January 05, 2005 InPhase Technologies is one step closer to bringing holographic storage drives to market. On Wednesday, the company plans to demonstrate the first fully functioning prototype of its Tapestry holographic drive, which the company expects to begin shipping next year. The drive will be demonstrated at the 2005 Storage Visions conference, being held in Las Vegas this week. SPONSOR Hitachi Data Systems Application Optimized Storage(TM) solutions Sponsored by Hitachi SPONSOR IT STRATEGY GUIDE: BUILDING BUSINESS TO SCALE Sponsored by HP adCall("336","280","imu");

35. DarkVision Hardware - InPhase Shows Prototype Of Holographic Disc Drive DV hardware bringing you the hottest news about processors, graphics cards, it has developed the world s first prototypes of holographic storage drives. http://www.dvhardware.net/article3825.html

DV Hardware bringing you the hottest news about processors, graphics cards, Intel, AMD, NVIDIA, ATi, hardware and technology! Home Your Account News submit News Archives ... Login/sign up Main Menu Home User account Info News archives ... Forum Who's Online There are currently 433 guests and 2 DV-member(s) online. InPhase shows prototype of holographic disc drive Posted on Thursday, January 06 2005 @ 13:30:08 CET by LSDsmurf InPhase today said that it has developed the world's first prototypes of holographic storage drives. The devices offer capacities of up to 1.6 TByte and may help move holographic storage from research to commercialization. The prototypes are the first results of the firm's research, which began in 2000 when the company was founded by Lucent. InPhase said that the prototype drives will be the foundation family of Tapestry holographic drives, with data capacities that range from 200 GByte to 1.6 TByte on a single disk. More info at Tom's Hardware Send to a friend Submit it newsletter ... New reviewers needed Threshold No Comments Nested Flat Thread Oldest First Newest First Highest Scores First The comments are owned by the poster. We aren't responsible for their content.

36. Holographic Storage Nears Debut During that time, hardware advances carried out independent of holography have As enthusiastic as the researchers are about holographic storage media, http://colossalstorage.net/eetimes.htm

April 30, 2001 Learn about Intel® communications solutions. Semiconductors Design Automation Technology Columns ... eeMarketing Network Partners Go to... ChipCenter Circuits Assembly Comm Sys Design Deep Chip EBN EEdesign EE Times Embedded.com HDI ISDmag.com Microwave Eng PlanetAnalog PCD PC FAB PCNalert.com PowerDesignr SBN Privacy Statement Holographic storage nears debut By Margaret Quan EE Times (04/26/01, 10:59 a.m. EST) or more than 20 years researchers worldwide have pursued the Holy Grail of holographic data storage, an optical method of storing massive amounts of data in small areas by writing data as light patterns in three dimensions on a filmlike medium. During that time, hardware advances carried out independent of holography have made holographic storage more achievable. These include such improvements as CMOS sensor technology, development of spatial light modulators using ferroelectric liquid crystals and mirror arrays, and reduction in the cost and size of shorter wavelength green lasers. Yet the biggest challenge has been to find the right material for the recording medium, one that works and is inexpensive enough to produce commercially. In the last year, some research groups at universities, corporations, government labs and startups claimed to have found the material that will propel the technology forward and enable its adoption in commercial storage media products in two to three years.

37. Colossal Storage Corp. -3D Atomic Holographic Optical Data Storage Nanotechnolog and Hard Drives for ALL IN ONE complete hardware storage solution. Colossal storage Atomic holographic Optical storage will have Almost a http://colossalstorage.net/colossal5.htm

Breakthru ! 3D Atomic Holographic Optical Data Storage Nanotechnology Rewritable 3D Volume Holographic Removable Disk / Tape / Drum / Card Data Storage is a new frontier. 5 exabytes of new data is generated every year world wide and growing ! The history of Storage Past, Present, and Future by C David Wright University of Exeter Colossal Storage Corporation has dominant patents the first patents issued in any field that details a totally new concept for a Ultra-Violet/Deep Blue Laser integrated semiconductor R/W Head. The read/write head used for non-contact optical tuning rewritable digital data to a ferroelectric optical holographic drive. Colossal Storage wants its Rewritable 3D Volume Atomic Holographic Removable Optical Storage NanoTechnology to be an " ALL IN ONE " Storage Solution replacing Ram Drives, Ovonic Drives, Flash Drives, 2D Optical Drives(phase change/MO DVD), Video Disk Drives, iVTR Drives, Blu-Ray, EVD, Tape Drives, AFM/ATF and Hard Drives for " ALL IN ONE " complete hardware storage solution. Colossal's Licensed Nanotechnology will allow the company to be a yearly Multi Billion Dollar disruptive, exotic, and cutting edge company.

38. Geek.com Geek News - Holographic Storage From InPhase InPhase will demonstrate a holographic storage system at the National for the simple fact that it would destroy an already outdated hardware base. http://www.geek.com/news/geeknews/2002mar/bch20020327010932.htm

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39. Holographic Storage From Hitachi In 2006? holographic storage from Hitachi In 2006? By Brian Carnell Tom s hardware has more technical details about InPhase, the holographic disk company that http://brian.carnell.com/archives/years/2005/01/000036.html

Brian.Carnell.Com Archives Years January Holographic Storage from Hitachi In 2006? Brian.Carnell.Com Many things are done here that are forbidden by Islam Guests Logon Account Signup Holographic Storage from Hitachi In 2006? By Brian Carnell Sunday, January 23, 2005 InfoWeek reports that Hitachi plans to begin sampling a 5", 200gb holographic disk in 2005 and incorporate the technology into drive system in 2006. According to Infoweek, Hitachi hopes to increase capacity to 400gb in 2007. Tom's Hardware has more technical details about InPhase, the holographic disk company that Hitachi acquired and which will actually be producing holographic drives for the company. According to Tom's Hardware, The prototype drive records data into InPhase's patented two-chemistry photopolymer WORM material. The recording material is 1.5 mm thick and is sandwiched between two 130 mm diameter transmissive plastic disk substrates, the company said. The prototype can arrange more than one million bits of data into a single page, which is recorded with a single flash of a 407 nm laser beam, according to InPhase. Multiple pages of data, referred to as a book, are recorded in one spot on the disk providing approximately 12 MByte of data in a single book location. The holographic disk will apparently be available eventually in sizes up to 1.6 TB.

40. Holographic Storage From Hitachi In 2006? holographic storage from Hitachi In 2006? ( 6985) Tom s hardware has more technical details about InPhase, the holographic disk company that Hitachi http://brian.carnell.com/6985

Brian.Carnell.Com Holographic Storage from Hitachi In 2006? Brian.Carnell.Com Life is like a riddle, and I'm really stumped Guests Logon Account Signup Favorite Sites Anomalist ArsTechnica BBC Becoming Conversant ... Voices of Unreason PREV TOPIC Cory Doctorow's Problems with American Airlines NEXT TOPIC Two Cool Things About Blue LED Inventor Winning $8.1 Million Holographic Storage from Hitachi In 2006? Sunday, January 23, 2005 Reply View Full Thread Post New Message InfoWeek reports that Hitachi plans to begin sampling a 5", 200gb holographic disk in 2005 and incorporate the technology into drive system in 2006. According to Infoweek, Hitachi hopes to increase capacity to 400gb in 2007. Tom's Hardware has more technical details about InPhase, the holographic disk company that Hitachi acquired and which will actually be producing holographic drives for the company. According to Tom's Hardware, The prototype drive records data into InPhase's patented two-chemistry photopolymer WORM material. The recording material is 1.5 mm thick and is sandwiched between two 130 mm diameter transmissive plastic disk substrates, the company said. The prototype can arrange more than one million bits of data into a single page, which is recorded with a single flash of a 407 nm laser beam, according to InPhase. Multiple pages of data, referred to as a book, are recorded in one spot on the disk providing approximately 12 MByte of data in a single book location. The holographic disk will apparently be available eventually in sizes up to 1.6 TB.

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