ANSI-INCITS-180-1990-R2006.pdf
《ANSI-INCITS-180-1990-R2006.pdf》由会员分享,可在线阅读,更多相关《ANSI-INCITS-180-1990-R2006.pdf(50页珍藏版)》请在三一文库上搜索。
1、ANSI INCITS 180-1990 (R2001) (formerly ANSI X3.180-1990 (R2001) for Information Systems Magnetic Tape and Cartridge for Information Interchange 18-Track, Parallel, 1/2 inch (12.65 mm), 37 871 cpi (1491 cpmm), Group-Coded Requirements for Recording Copyright American National Standards Institute Prov
2、ided by IHS under license with ANSI Licensee=USN Ship Repair Facility Yokosuka/9961031100 Not for Resale, 05/08/2007 20:24:55 MDTNo reproduction or networking permitted without license from IHS -,-,- American National Standard Approval of an American National Standard requires review by ANSI that th
3、e requirements for due process, consensus, and other criteria for approval have been met by the standards developer. Consensus is established when, in the judgment of the ANSI Board of Standards Review, substantial agreement has been reached by directly and materially affected interests. Substantial
4、 agreement means much more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that a concerted effort be made toward their resolution. The use of American National Standards is completely voluntary; their existence does not in a
5、ny respect preclude anyone, whether he has approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standards. The American National Standards Institute does not develop standards and will in no circumstances give an
6、interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. Requests for interpretations should be addressed to the secretariat or sponsor
7、 whose name appears on the title page of this standard. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purch
8、asers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. Published by American National Standards Institute 11 West 42nd Street, New York, New York 10036 Copyright 1990 by Information Technology Industry Co
9、uncil (ITI) All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without prior written permission of ITI, 1250 Eye Street NW, Washington, DC 20005. Printed in the United States of America Copyright American National Standards
10、 Institute Provided by IHS under license with ANSI Licensee=USN Ship Repair Facility Yokosuka/9961031100 Not for Resale, 05/08/2007 20:24:55 MDTNo reproduction or networking permitted without license from IHS -,-,- ANSI X3.1 80-l 990 American National Standard for Information Systems - Magnetic Tape
11、 and Cartridge for Information Interchange - 18-Track, Parallel, l/2 inch (12.65 mm), 37 871 cpi (1491 cpmm), Group-Coded - Requirements for Recording Secretariat Computer and Business Equipment Manufacturers Association Approved January 22,199O American National Standards Institute, Inc Copyright A
12、merican National Standards Institute Provided by IHS under license with ANSI Licensee=USN Ship Repair Facility Yokosuka/9961031100 Not for Resale, 05/08/2007 20:24:55 MDTNo reproduction or networking permitted without license from IHS -,-,- XON PAGE Contents SE( 3. 4. 5. 6. Scope, Purpose, and Confo
13、rmance 8 1.1 Scope . .8 1.2 Purpose . 8 1.3 Conformance 9 Referenced and Related Standards and Publications .9 2.1 Referenced American National Standards .9 2.2 Other Referenced Standards 9 2.3 Referenced Publication 9 2.4 Related Standards . 9 Definitions . :. . ! . . .9 Environment and Safety . 12
14、 4.1 Testing Environment of Tape and Cartridge .12 4.2 Operating Environment of Cartridge .12 4.3 Storage Environment of Cartridge . 12 4.4 Transportation 12 4.5 Safety . 12 Mechanical and Electrical Requirements of Tape .12 5.1 Material 12 5.2 Length of Tape . 12 5.3 Width 13 5.4 Total Thickness 13
15、 5.5 Base-Material Thickness . .13 5.6 Discontinuity 13 5.7 Longitudinal Curvature 13 5.8 Out-of-Plane Distortions 13 5.9 Cupping 13 5.10 Dynamic Frictional Characteristics 13 5.11 Coating Adhesion . 14 5.12 FIexuraI Rigidity .14 5.13 Electrical Resistance of the Coated Surface 14 5.14 Pre-Record Co
16、ndition 15 5.15 Inhibitor Tape . 15 5.16 Abrasivity . 15 Magnetic-Recording Performance of Tape . 15 6.1 Typical Field 16 6.2 Signal Amplitude . 16 6.3 Resolution 16 6.4 Overwrite . 16 6.5 Narrow-Band Signal-to-Noise Ratio (NB-SNR) .16 Quality of Tape 16 7.1 Dropout 17 7.2 Coincident Dropout 17 7.3
17、Durability of Tape 17 Mechanical Specifications of the Tape Cartridge . .17 8.1 Label Areas of Cartridge Case . 17 8.2 Locating Areas of Cartridge Case 17 8.3 Flexibility of Cartridge Case 18 8.4 File-Protect Mechanism . I8 8.5 Tape-Reel Hub . I8 8.6 Metallic Insert 18 Copyright American National St
18、andards Institute Provided by IHS under license with ANSI Licensee=USN Ship Repair Facility Yokosuka/9961031100 Not for Resale, 05/08/2007 20:24:55 MDTNo reproduction or networking permitted without license from IHS -,-,- SECTION PAGE 8.7 Brake Mechanism . . . . . . . . . . . . . . . . . . . . . . .
19、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 8.8 Winding of Tape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20、. . . . . . . . . . . . . . . . . . . . . :i 8.9 Winding Tension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.10 Circumference of Tape Reel . . . . . . . . . .
21、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 8.11 MomentofInertiaofTapeReel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 8.12 Leader Block Tap
22、e Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 8.13 Leader Block Pickup Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23、. . . . . . . . . . . . . . . . 19 8.14 Leader Block Insertion Force . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 8.15 Leader Block Pull-Out Force and Work . . . . . . . . . . . . . . . . . . . .
24、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 9. Recording . . . . . . . . . . . . . . 20 . . . . . . . . . . . . . . . . . 9.1 Physicai Recording Density . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ANSI INCITS 180 1990 R2006
链接地址:https://www.31doc.com/p-3729636.html