Friday, October 19, 2018
Submit your own News for
inclusion in our Site.
Click here...
Breaking News
Samsung, LG Launch Trade-in Promotions to Help Sales Of Latest Flagship Smartphones
Fujitsu's Cooling Control Technology Reduces Datacenter Energy Consumption
Tesla Unveils new $45,000 Model 3
Micron Wants to Buy Remaining Interest in IM Flash Technologies to Advance the 3D XPoint Technology
YouTube to Sell Concert Tickets Through Music Videos
Apple Expected to Unveil New iPad and MacBook on October 30
Pioneer's New In-Ear Headphones Combine Styling With Sound Quality
Samsung Debuts the Galaxy Book2, an always on, always connected 2-in-1 PC With Snapdragon 850
Active Discussions
Which of these DVD media are the best, most durable?
How to back up a PS2 DL game
Copy a protected DVD?
roxio issues with xp pro
Help make DVDInfoPro better with dvdinfomantis!!!
menu making
Optiarc AD-7260S review
cdrw trouble
 Home > News > Optical Storage > Memory-...
Last 7 Days News : SU MO TU WE TH FR SA All News

Sunday, April 19, 2015
Memory-Tech Promises Improved Audio CD Quality With New UHQCD Technology

Japanese Memory-Tech is promoting the "Ultimate High Quality CD" (UHQCD) technology for the manufacturing of audio CDs, pushing the limits of the optical disc format.

With the UHQCD, the company is essentially changing the manufacturing method of a CD in order to improve the sound quality, in accordance with a CD standard, in order the produced discs to emain compatible with existing CD players.

CD mass replication is used to make large quantities of discs such as commercial audio CDs. These prerecorded (pressed) discs are manufactured from a mold in a factory setting and are created using a series of industrial processes including premastering, mastering, electroplating, injection molding, metallization, spin coating, printing and quality control.

CD moulding machines are specifically designed high temperature polycarbonate injection moulders that melt the polycarbonate. Then molten plastic is injected into the mould cavity, it is then cooled down and solidified. The moulded "disc" is then ready for metalization (sputtering) and than UV curable lacquer is dispensed onto the newly metallized layer.

A metal stamper is usually used as an injection mold - the process in which molten polycarbonate is injected into the chamber where the stamper is mounted. A clear piece of plastic in the shape and size of a compact disc is then formed. The disc now has all the pits and lands of the digital signal of the original master.

In UHQCD, a photopolymer material is used rather than polycarbonate, in order create more accurate pits from the stamper.

Photopolymers are materials that change from a watery liquid state to a strong, plastic-like solid almost instantaneously when exposed to light of a specific wavelength.

According to Memory-Tech, the liquid state of the photopolymer helps create a more accurate and finer pits from the stamper, compared to conventional polycarbonate.

Memory-tech says that result is an audio Cd as close possible to a master. The company has started mass production of UHQCDs and Pony Canyon plans to release UHQCD audio CDs in Japan.

Sony Xperia Z4 Smartphone Unveiled In Japan        All News        Sony's 4K Ultra HD TV Lineup Coming In The U.S.
Optical Drive Makers Face EU Antitrust Fines     Optical Storage News      Pioneer Intros New BDR-XS06JL BDXL Burner

Get RSS feed Easy Print E-Mail this Message

Related News
Memory-Tech Ready To Start Mass Production Of UHD Blu-ray Disc
Memory-Tech Orders New BLULINE II Machine From SINGULUS
Memory-Tech Develops Production System For CBHD Discs
Memory-Tech to Offer Chinese Version of HD DVD Discs in China
Memory-Tech and Toshiba Announce Single-sided, Twin Format Disc for DVD and HD DVD
Sanyo to Sell Optical Disc Business to TOEMI
Toshiba EMI Outsources its CD Production to Memory-Tech
First HD-DVD ROM Media Ready by end of 2005
Memory-Tech announces first HD DVD disc measurement system

Most Popular News
Home | News | All News | Reviews | Articles | Guides | Download | Expert Area | Forum | Site Info
Site best viewed at 1024x768+ - CDRINFO.COM 1998-2018 - All rights reserved -
Privacy policy - Contact Us .