BS ISO 8126-2000 Micrographics - Duplicating film silver diazo and vesicular - Visual density - Specifications and measurement《缩微摄影技术 银盐、重氮和微泡复制胶片 视密度 规范和测量》.pdf
《BS ISO 8126-2000 Micrographics - Duplicating film silver diazo and vesicular - Visual density - Specifications and measurement《缩微摄影技术 银盐、重氮和微泡复制胶片 视密度 规范和测量》.pdf》由会员分享,可在线阅读,更多相关《BS ISO 8126-2000 Micrographics - Duplicating film silver diazo and vesicular - Visual density - Specifications and measurement《缩微摄影技术 银盐、重氮和微泡复制胶片 视密度 规范和测量》.pdf(12页珍藏版)》请在麦多课文档分享上搜索。
1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO 8126:2000 ICS 37.0
2、80 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Micrographics Duplicating film, silver, diazo and vesicular Visual density Specifications and measurementThis British Standard, having been prepared under the direction of the DISC Board, was published under the authority of t
3、he Standards Board and comes into effect on 15 May 2000 BSI 05-2000 ISBN 0 580 34731 1 BS ISO 8126:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim ISO 8126:2000 and implements it as the UK national standard. It supersedes BS
4、 6872:1987 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee IDT/1, Document imaging applications, to Subcommittee IDT/1/1, Quality, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European
5、 committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cr
6、oss-references The British Standards which implement international publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogu
7、e. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document compris
8、es a front cover, an inside front cover, the ISO title page, pages ii to v, a blank page, pages 1 to 3 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.Referencenumber ISO8126:2000(E) INTERNATIONAL STANDARD ISO 8126 Secondedition 2000-
9、02-15 MicrographicsDuplicatingfilm,silver, diazoandvesicularVisualdensity Specificationsandmeasurement Micrographie Films de duplication argentiques, diazoques et vsiculaires Densit visuelle Spcifications et mesurageISO8126:2000(E) ii ISO8126:2000(E)iii Contents Page Foreword.iv Introduction.v 1 Sco
10、pe1 2 Normativereferences1 3 Termsanddefinitions.1 4 Measurementofdensity2 4.1 Methodofmeasurementofsilver-gelatinanddiazoduplicates.2 4.2 Methodofmeasurementofvesicularduplicates.2 4.3 Measurementareas.2 4.3.1 Samplingaperture.2 4.3.2 Useofdensitypatches2 5 Visualdiffusetransmissiondensityofduplica
11、temicroformsfromsourcedocumentsandCOM.2 5.1 Silver-gelatinduplicates.2 5.1.1 Positive-appearingduplicates2 5.1.2 Negative-appearingduplicates.3 5.1.3 Directpositiveduplicates.3 5.2 Diazoduplicates.3 6 Projectiondensityofvesicularduplicates3 6.1 Vesicularduplicatesofsourcedocumentmicroforms3 6.1.1 Po
12、sitive-appearingvesicularduplicatesofsourcedocumentmicroforms3 6.1.2 Negative-appearingvesicularduplicatesofsourcedocumentmicroforms.3 6.2 VesicularduplicatesofCOMmicroforms.3ISO8126:2000(E) iv Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodie
13、s(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liais
14、onwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitte
15、esarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthisInternationalStandardmaybethesubjectof patentrights.ISOshallnotbeheldresponsibleforidentifyinganyoralls
16、uchpatentrights. InternationalStandardISO8126waspreparedbyTechnicalCommitteeISO/TC171, Document imaging applications, Subcommittee SC 1, Quality. Thissecondeditioncancelsandreplacesthefirstedition(ISO8126:1986)whichhasbeentechnicallyrevised.ISO8126:2000(E)v Introduction Microformsshouldbeofsuchquali
17、tythattheinformationcontainedisclearlylegible,andsuitableforitsintended enduse.Itisthereforeimportantthatdocumentsformicrofilmingconformtomicrofilmingcriteria. Controllingmicroimagedensityhelpstoensurethatgoodresultsareobtained.Theoverallqualityofthemaster directlyaffectsduplicatequality. Sincefirst
18、generationsilverfilmdensitiescanbemeasuredusingregulardensitometers,amethodhadtobefound formeasuringdiazoandvesicularfilmduplicatingfilmsinadditiontosilver-gelatinfilms.Inthecurrentstateofthe art,onlyamethodforvisualdensityhasbeendeveloped. Visualdensityshouldnotbeconfusedwithprintingdensity.Theform
19、erisameasurementtakingaccountofthe eyesspectralsensitivitywhereasthelatterisameasurementlimitedtothespectralsensitivityofthereceiving materialandthespectralenergydistributionoftheprintingillumination.INTERNATIONALSTANDARD ISO8126:2000(E)1 MicrographicsDuplicatingfilm,silver,diazoandvesicular Visuald
20、ensitySpecificationsandmeasurement 1 Scope ThisInternationalStandardspecifiesvisualdiffusetransmissiondensitiesforsecondgenerationsilver-gelatinand diazomicroformsandprojectiondensitiesforsecondgenerationvesicularmicroforms.Italsospecifiesmethodsof measurement. Itdoesnotapplytoduplicatesofmicroforms
21、oftechnicaldrawingsandotherdrawingofficedocuments. 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thisInternationalStandard.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthese publicationsdonotapply.However,
22、partiestoagreementsbasedonthisInternationalStandardareencouragedto investigatethepossibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.For undatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIEC maintainregistersofcurrentlyvalidInternati
23、onalStandards. ISO5-1:1984, Photography Density measurements Part 1: Terms, symbols and notations. ISO5-2:1991, Photography Density measurements Part 2: Geometric conditions for transmission density. ISO5-3:1995, Photography Density measurements Part 3: Spectral conditions. ISO6196-1:1993, Micrograp
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