热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

BS EN 62005-4-2000 光纤互连装置和无源光学部件可靠性.产品屏蔽

作者:标准资料网 时间:2024-05-13 16:20:43  浏览:9286   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Reliabilityoffibreopticinterconnectingdevicesandpassiveopticalcomponents-Productscreening
【原文标准名称】:光纤互连装置和无源光学部件可靠性.产品屏蔽
【标准号】:BSEN62005-4-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-03-15
【实施或试行日期】:2000-03-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:纤维光学连接器;纤维光学;设计;光学纤维;产品试验;失效;可靠度;质量控制;衰弱率
【英文主题词】:Adjustment;Adjustments;Classifications;Components;Connectiontechnology;Connectoredjoints;Damping;Dampingcapacity;Electricplugs;Fasteners;Fibreoptics;Glassfibrecables;Glassfibres;Measuringtechniques;Methods;Monomodefibres;Opticalwaveguides;Producttests;Reliability;Testing;Validation
【摘要】:ThisInternationalStandarddescribesproductscreening.Aproperproductscreenisactuallyaprocess,notatest.Asaprocess,itismaintainedandconstantlyvalidatedtoensureitachievesthepurposeforwhichitwasdefined.Thisprocessisappliedtoaproductinordertoinduceproductswithaknownfailuremechanism,tofailinacontrolledsituationbeforetheproductisdeployedinthefield.Ifthisprocessisproperlyapplied,thenallinfantmortalityfailuresinthefield,associatedwiththefailuremechanism(s)forthescreen,willbeeliminated.Figure1showstheclassical"bathtub"three-regioncurveoffailureratesformostproducts.Althoughthefailureratesofpassiveopticalcomponentshavenotbeenconclusivelyshowntofollowthiscurve,itisusefulforillustrativepurposes.Screeningisknownforsomeproductsasaproofstressorinthecaseofelectronics,asa"burn-inprocess".Whenappliedtoaproduct,itwillnormallyaffectthefailurerateappliedduringtheinfantmortalityportionoftheproductlifecycle.Ifthescreenisproperlychosen,itwillinduceaportionoftheinfantmortalityfailurescausedbythechosenfailuremechanism(s)tooccurinthemanufacturingcycle,earlierthanwouldnormallybeseenintheunscreenedpopulationshowninthedashedline.Also,itshouldbenotedthataproperlyappliedscreendoesnotweakenordegradethewear-outorendoflifeperformanceofaproductpopulation.Inanycase,thescreenshouldalsonotaffectthemiddleregionofnormallifeutilization.Screeningandthedecisiontoapplyascreentoaproductprocessshouldneverbearequirement.Itshouldbedesignatedasanoptionoranalternative.Onceproducttestingidentifiesafailuremechanisminapopulationorsub-populationofaproduct,screeningtoremovethatmechanismisonlyonealternative.Equallyvalid,andinmostcasespreferable,isthealternativetomakedesignormanufacturingprocessimprovementstoeliminatethemechanism.Obviously,anychangestotheproductarethenrevalidated,andthescreenisrevalidatedaswell.However,thedecisiontochoosewhethertoscreenorimprovetheproductshouldbebasedoneconomics,customerexpectations,andproductuse.
【中国标准分类号】:L23
【国际标准分类号】:33_180_20
【页数】:8P.;A4
【正文语种】:英语


下载地址: 点击此处下载
基本信息
标准名称:潜艇操纵性设计计算方法
英文名称:Calculation Method for Submarine Manoeuvrability
中标分类: 船舶 >> 船舶综合 >> 基础标准与通用方法
替代情况:被GJB/Z 205-2001代替
发布日期:1988-09-23
实施日期:1988-09-23
首发日期:
作废日期:
出版日期:
页数:30页
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 船舶 船舶综合 基础标准与通用方法
MIL-M-20693B (NOTICE 1), MILITARY SPECIFICATION: MOLDING, PLASTIC, POLYAMIDE (NYLON), RIGID (26 AUG 1982) [S/S BY ASTM-D4066]., Military Specification MIL-M20693B dated10February1977 is hereby cancelled. Future procurements for this material should refer to the portions of

版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1