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ISO/IEC 8441-1-ed.1.0
Information technology - High density digital recording (HDDR) - Part 1: Unrecorded magnetic tape for (HDDR) applications
Translate name
STANDARD published on 16.5.1991
The information about the standard:
Designation standards: ISO/IEC 8441-1-ed.1.0
Publication date standards: 16.5.1991
SKU: NS-942854
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO/IEC 8441-1-ed.1.0 :
This part of ISO/IEC 8441 specifies requirements for unrecorded magnetic tape designed for high density digital recording (HDDR) having the following characteristics: a) nominal thickness 25,4 urn (0,001 in); b) longitudinal magnetic orientation; c) coercivity 72 kA/m (900 Oe) max. These tapes are suitable for interchange in accordance with ISO/IEC 8441-2. Requirements for packaging are also included. NOTE 1 Tapes of coercivity above 32 kA/m (400 Oe) are usually classified as high energy tapes and users should establish compatibility with equipment used for driving them. Annex A gives guidance on glass and metal-flanged reels. Annex B gives information on the wear of recording heads. Different categories of environmental conditions and their effects on tape are dealt with in annex C. Severe operating conditions are considered in annex D. Surface electrical resistance testing is dealt with in annex E. A tape abrasivity testing technique is described in annex F. A list of bibliographical references is given in annex G. NOTES 2 It is recognized that archival interchange tapes, or those produced by systems in use prior to the publication of this part of ISO/lEC 8441, may not comply with the requirements and/or recommendations herein. 3 Various tests and procedures herein refer to recording with a.c. HF bias. In practice, certain HDDR systems do not use bias. The use of bias in this part of ISO/IEC 8441 does not imply that the tape so tested is in any way unsuitable for a biasless system.
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