Tsinghua Tongfang Archives CD This product is divided into two types: one is a printable CD with a white surface, and the cover can be printed according to the image design of the unit or other cover image designs, and the other is a non-printable CD with the words Tsinghua Tongfang. Print the disc. The two prices are the same, the outer packaging is the same, you can see the product pictures for details.

The picture below shows the Tsinghua Tongfang Archives CD-ROM, which is not a printable CD-ROM.

The picture below shows Tsinghua Tongfang Archives CD-ROM Printable CD-ROM

Tsinghua Tongfang DVD Archive Grade Disc 

（Tsinghua Tongfang Archives CD）

*safe and durable 

* Guarantee of safe storage of important electronic documents

Compared with magnetic disks, magnetic tapes, and flash memory record carriers, the use of optical disks to record and store archived data has many advantages in terms of safety, durability, energy conservation, environmental protection, and cost maintenance. The archives industry standard DA/T38-2008 clearly stipulates that when electronic files are archived by optical disks, archive-level optical disks should be used. Tsinghua Tongfang Archives Series CDs are recordable CDs with specific durability requirements. Various technologies are superior to industrial standards, with an archive life of more than 50 years and a physical storage life of more than 100 years. It is an ideal choice for long-term storage of electronic files.

product description

In order to maintain good quality and batch consistency of archive-grade discs, the DA/T38-2008 standard requires:

◆ The raw material brand or supplier of archive-level CD-ROM shall not be changed at will;

◆ The production process of archive-level discs must be stable, and process parameters cannot be changed at will;

◆ Polycarbonate produced for archival grade discs（PC）Plastics shall not use recycled materials;

◆ The use of ink, protective glue and adhesive glue must pass the weather resistance test of the optical disc;

◆ After the injection molding machine is started or the process parameters are adjusted, the first 50 discs are not used for file-level discs;

◆ The terminal online detection must have the function of grading and screening, so that the production line can distinguish the file-level CDs from other-level CDs;

◆ The printing pattern on the label surface of the archive-level CD must have a special logo pattern;

◆ The production date, batch and other characters or barcodes must be marked on the file-level CD;

◆ Archive-level CDs must undergo strict quality testing before leaving the factory.

Manufacturer introduction

Beijing Tongfang Disc Co., Ltd. was established in 1998. The main sponsors are Tsinghua University, Tongfang Co., Ltd., China Audiovisual Association, Beijing Institute of Graphic Printing, and Beijing Film Academy. Since 1999, Beijing Tongfang Disc Co., Ltd. has taken the lead in the promotion and application of high-quality recording disc products in China, and has built its own disc brand in China.“Tsinghua Tongfang”, to promote the rapid development of China''''''''''''''''''''''''''''''''s optical disc industry.

Tsinghua Tongfang CD-ROM products are designed and produced from the user''''''''''''''''''''''''''''''''s standpoint, the first to introduce a system of classifying CD-ROM products according to quality, and the first to mark the shelf life of different levels on the product packaging.

The archives business is related to the cultural heritage of the Chinese nation. As a national enterprise with social responsibilities, Tsinghua Tongfang adheres to the century-old spirit of Tsinghua University''''''''''''''''''''''''''''''''s rigorous and truth-seeking, selects materials, optimizes processes, abides by standards, and strictly controls. The archives-level products of the company will escort China''''''''''''''''''''''''''''''''s archives storage business.

Archives Industry Certification

Tsinghua Tongfang archive-grade CD-ROM is specially designed and produced to ensure the long-term preservation of various important electronic documents including archives. The technical indicators are in line with DA/T38-2008 "Technical Requirements and Application Specifications for Electronic Document Archiving Optical Discs". It is currently jointly established by the Archives Science and Technology Research Institute of the State Archives Administration and the National Engineering Research Center for Optical Discs.“ Optical Disc Protection Technology Joint Laboratory” certified and tested CD-ROM products. Tsinghua Tongfang archive-grade CDs are independently designed and produced by domestic enterprises, and are tested and certified by domestic archives industry organizations. Both production and certification are traceable. It is a national product that can truly shoulder social responsibilities.

Strictly implement file industry standards

Archive-grade optical discs refer to professional recording discs that meet specific requirements in terms of durability, technical indicators that are better than industrial standards, batch consistency, and archive life of more than 20 years; they are used for long-term archiving and preservation of important electronic files. As a special industrial disk that is different from ordinary optical disks, the DA/T38-2008 standard has strict requirements on the batch consistency of archive-level optical disks.

The difference between archive CD and other CD products

focus on recording data“storability” rather than“Easy to burn”, so its quality requirements are more stringent than ordinary CDs;

The product has a batch inspection report issued by a third-party file industry standard organization;

The use of an archive disc is a continuous verification process, which is equivalent to the life of the data contained in it.

Product parameter

Specification    DVD-R

capacity    4.7G

level     file level

Product packaging    Single-chip boxed

Executive standard    DA/T38-2008

Shelf life     Archive life of more than 20 years

Quality inspection    A joint experimental test report of CD-ROM protection technology is attached

Product supervision     Optical Disc Protection Technology Joint Laboratory