Outgassing from internal adhesive joints of vacuum devices  

真空装置内部粘合接头的脱气（英文）

作　　者：Boris S Lunin Valerii A Kreisberg Yurii N Zhitnev Evgenia A Tveritinova Mikhail A Basarab Robert A Zakharyan Boris S Lunin;Valerii A Kreisberg;Yurii N Zhitnev;Evgenia A Tveritinova;Mikhail A Basarab;Robert A Zakharyan(国立莫斯科大学化学系,莫斯科119991;莫斯科国立鲍曼技术大学信息系统与电信系,莫斯科105005;普罗霍洛夫普通物理研究所塔鲁萨分部,塔鲁萨249100)

机构地区：[1]Department of Chemistry, M.V. Lomonosov Moscow State University, Moscow 119991, Russia [2]Department of Information Systems and Telecommunications, Bauman Moscow State Technical University, Moscow 105005, Russia [3]Tarussky Branch of A.M. Prokhorov General Physics Institute, Tarusa 249100, Russia

出　　处：《Journal of Measurement Science and Instrumentation》2017年第4期347-353,共7页测试科学与仪器（英文版）

摘　　要：Kinetics of the formation of residual atmosphere in vacuum devices with internal adhesive joints and the application of the mass spectral and chromatographic methods to measure the specific outgassing rate of volatile compounds from the cured adhesives are considered in this paper.The outgassing comparison data for the various types of adhesives are given and the effectiveness of the outgassing of adhesive joints is demonstrated.The possible options to provide vacuum in the various devices are considered.At moderate requirements to the residual pressure(about10-2Pa),it is enough to degass the adhesive joints during a few hours.It is much more difficult to provide vacuum in devices with internal adhesive joints at the level of about10-4Pa.This requires the use of the built-in getter and the high temperature degassing.It is expedient to provide deep vacuum(10-5-10-4Pa)in the rare-used or once-used devices by short(a few minutes)activation the built-in getters before operating the vacuum devices.This allows to remove the main residual gas hydrocarbons component from the vacuum house and provide the necessary level of vacuum for a certain interval of time.

关 键 词：OUTGASSING ADHESIVE vacuum device 

分 类 号：TQ430.7[化学工程]