CMC Magnetics
Taiwanese manufacturer of optical storage media and related electronic products, known for supplying branded and private-label CDs, DVDs, and other recordable media.
Last updated October 19, 2026
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Overview
CMC Magnetics Corporation is a Taiwanese manufacturer whose principal business has been the production of optical storage media. Established in 1978 and headquartered in Taipei, the company became one of the significant global producers of recordable and prerecorded disc formats during the expansion of home computing, consumer electronics, software distribution, and digital media retail. Its portfolio has included recordable and rewritable CDs and DVDs, DVD-RAM products, Blu-ray-related media, and floppy diskettes. CMC has operated primarily as a manufacturing and supply partner rather than relying solely on a single consumer-facing brand. Its products have been sold under the CMC-owned Mr. Data name and have also been supplied for private-label, OEM, and licensed-brand programs. Brands associated with CMC-manufactured media have included Memorex, HP, Philips, TDK, Maxell, Imation, BenQ, Verbatim Life Series, Staples, Office Depot, Datamax, Optimum, and Auchan. This model allowed the company to participate in multiple national retail and electronics channels while using manufacturing scale across a rapidly changing optical-disc market. The company’s manufacturing footprint has extended beyond Taiwan. CMC has had production activities in Hong Kong and, through group companies and acquisitions, operated or managed facilities in the United Kingdom and Ireland. Europa Magnetics Corporation Limited operated floppy-disk, CD-ROM, and CD-R facilities in Cramlington, Northumberland, during the 2000s. CMC also operated MC Infonics in Limerick, Ireland, a CD-R facility previously acquired from Mitsubishi Chemical/Verbatim. These operations reflected the international character of optical-media production and the importance of serving European customers locally. A major strategic development occurred in December 2015, when Taiyo Yuden sold its optical-disc brand and related intellectual property to CMC Magnetics. Taiyo Yuden had been an important pioneer in recordable CDs and in the cyanine dye technology used in CD-R media, and it ended its own optical-disc production in Japan after the transaction. CMC subsequently introduced the CMC Pro line, drawing on technology and intellectual property acquired from Taiyo Yuden. The transaction strengthened CMC’s technology portfolio and helped preserve a commercial route for Taiyo Yuden-associated optical-media know-how after Taiyo Yuden’s exit from manufacturing. CMC’s business has faced the structural decline of physical optical media as broadband distribution, flash storage, hard drives, cloud services, and streaming reduced demand for recordable discs. Nevertheless, optical media continues to serve archival, institutional, compatibility, distribution, and specialist recording uses. CMC’s position has therefore combined volume manufacturing, OEM supply, private-label production, and the management of legacy optical-media technologies. Public reference material identifies the company principally as an optical-disc manufacturer; detailed current information about its product mix, facilities, leadership, and financial performance is limited in the supplied sources.
History
CMC Magnetics was established in Taiwan in 1978 and developed into a major manufacturer of optical storage media. Its growth followed the spread of compact discs, recordable CDs, DVDs, and computer-based data storage. Rather than depending exclusively on a single retail brand, the company supplied media for its own Mr. Data line as well as for OEM, licensed-brand, and private-label programs. This approach connected CMC with consumer-electronics and office-supply channels in multiple countries. The company’s product range has included CD-R, CD-RW, DVD-R/RW, DVD+R/RW, DVD-RAM, Blu-ray-related media, CD-ROM products, and floppy diskettes. CMC-manufactured media has been sold or distributed under a broad group of names, including HP, Philips, Memorex, TDK, Maxell, Imation, BenQ, Verbatim Life Series, Staples, Office Depot, Datamax, Optimum, and Auchan. These relationships illustrate the importance of contract manufacturing and brand licensing in the optical-disc sector, where retailers and electronics companies often marketed media without owning production facilities. CMC established and operated manufacturing capacity in several locations. Its facilities in Taiwan and Hong Kong supported international customers, while group operations expanded into Europe. Europa Magnetics Corporation Limited operated floppy-disk, CD-ROM, and CD-R production facilities in Cramlington, Northumberland, England, during the 2000s. CMC also operated MC Infonics in Limerick, Ireland, a CD-R plant previously acquired from Mitsubishi Chemical/Verbatim. The European facilities gave the group a regional manufacturing presence during a period when optical discs were widely used for software, music, video, backup, and personal data recording. The optical-disc industry later encountered sustained pressure from alternative storage and distribution technologies. Downloading, streaming, flash memory, hard-disk storage, broadband services, and cloud-based systems reduced the role of recordable discs in everyday consumer use. CMC nevertheless remained associated with the manufacture and supply of optical media for legacy compatibility, archival, institutional, specialist, and physical-distribution applications. In December 2015, Taiyo Yuden sold its optical-disc brand and intellectual property to CMC Magnetics. Taiyo Yuden had played an important historical role in recordable CD development and in the use of cyanine dye technology for CD-R media. Following the transaction, Taiyo Yuden ended its optical-disc production in Japan, while CMC gained access to the associated brand and technology. CMC subsequently launched the CMC Pro line, presenting it as an optical-media range based on technology acquired from Taiyo Yuden. The supplied reference material does not provide a detailed account of CMC’s founding management, later corporate leadership, financial results, current manufacturing capacity, or a complete chronology of facilities and acquisitions. Those areas require additional authoritative corporate, exchange, regulatory, or contemporaneous reporting sources.
- 2015
Taiyo Yuden transfers optical-media assets to CMC
[1]In December 2015, Taiyo Yuden sold its optical-disc brand and related intellectual property to CMC Magnetics and ended its own optical-disc production in Japan.
- 2000
Expansion of European manufacturing operations
[1]During the 2000s, CMC group company Europa Magnetics operated floppy-disk, CD-ROM, and CD-R facilities in Cramlington, England, while CMC also operated the MC Infonics CD-R facility in Limerick, Ireland.
- 1978
CMC Magnetics is established
[1]CMC Magnetics is established in Taiwan and begins the corporate history that leads to its later role as an optical-media manufacturer.
Products and positioning
A large-scale Taiwanese optical-media manufacturer and international OEM/private-label supplier, with additional emphasis on acquired optical-disc technology and specialist product lines.
Optical media brand
Mr. Data
Mr. Data is CMC Magnetics’ principal named optical-media line in the supplied reference material. It has covered recordable and rewritable disc formats and has also appeared through OEM, licensed, and private-label relationships. Media from this manufacturing platform has been associated with retail and electronics brands in several international markets.
Optical media · 2015
CMC Pro
CMC Pro is a line introduced after CMC acquired Taiyo Yuden’s optical-disc brand and intellectual property in 2015. The line is described as being based on technology obtained through that transaction and represents CMC’s effort to continue a technology-linked optical-media offering after Taiyo Yuden withdrew from optical-disc production.
Recordable and rewritable optical media
CD and DVD media
CMC has produced a broad range of compact-disc and digital-versatile-disc media, including CD-R, CD-RW, DVD-R, DVD-RW, DVD+R, and DVD+RW. These products have served consumer recording, software distribution, data backup, office-supply, and private-label markets.
Optical storage media
DVD-RAM and Blu-ray media
The company’s listed optical-media activities also include DVD-RAM and Blu-ray products. These formats broadened CMC’s portfolio beyond the most common CD-R and DVD recording formats and supported customers requiring newer or more specialized disc standards.
Magnetic storage media
Floppy diskettes
CMC has produced floppy diskettes, including through European operations associated with Europa Magnetics. Floppy production reflects the company’s participation in earlier generations of removable computer storage alongside its larger optical-disc business.
Controversies
2020
Zhonghuan Shares lawsuit against Xueqiu
According to a report, Zhonghuan Shares sued the investor-community platform Xueqiu for alleged infringement. The report does not specify the precise filing date, stating only that the lawsuit occurred several weeks before the report. No further details on the claims, parties, or outcome are provided in the source.
Brand decisions
2015
Acquire Taiyo Yuden optical-disc brand and intellectual propertyM&ABackground
Taiyo Yuden, a notable developer and producer of recordable optical media, decided to leave optical-disc manufacturing in Japan. CMC Magnetics had an established optical-media manufacturing base and could use the acquired assets in continuing product development and supply.
Action taken
CMC Magnetics purchased Taiyo Yuden’s optical-disc brand and related intellectual property in December 2015.
Aftermath
Taiyo Yuden ended its own optical-disc production in Japan. CMC subsequently developed the CMC Pro line using technology acquired in the transaction.
Recent events
Reported
Chung Hwa and a U.S. entertainment company plan NFT poster collaboration[3]
Chung Hwa announced a planned collaboration with a U.S. entertainment company to offer NFT digital art posters in Taiwan, with the release expected in March 2022.
TCL Zhonghuan introduces 218.2 mm silicon wafer[4]
TCL Zhonghuan's updated quote disclosed a new 218.2 mm oversized silicon wafer product priced at 9.22 yuan per wafer.
TCL Zhonghuan lowers silicon wafer prices[5]
TCL Zhonghuan lowered prices for several silicon wafer sizes compared with its November prices and introduced quoted prices for M10 and 218.2 mm wafers.
Reported
TCL Zhonghuan’s Maxeon investment receives Chinese antitrust clearance[6]
China’s State Administration for Market Regulation issued a decision not to prohibit TCL Zhonghuan’s acquisition of an equity stake in Maxeon Solar Technologies. The article states that completion remained subject to other conditions.
- Unconfirmed
Reported
Zhonghuan shares lawsuit against Xueqiu[2]
Zhonghuan Shares sued the Xueqiu investor-community platform for alleged infringement, according to the report. The precise filing date is not specified; the article says it occurred several weeks before the report.
Sources6 sources
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