book > index > index B
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back-flow, see ‘back-streaming’
background pressure, see ‘equilibrium pressure’
backing pump 214
back-streaming (of oil vapour) 4,215,217,359
baffle 218,340
bakeable UHV precision dosing valve 608
bakeout 75,98,308,633,634
ball valve 601
barium 321
base pressure, see ‘equilibrium pressure’
bath cryopump 336
Bayard-Alpert gauge 369,433
Bayard and Alpert 4
bead blasting 444,618,649
Becker 4,285
bellows 612
-, corrugated bellows 612
-, diaphragm bellows 613
bellows sealed feedthroughs 596
Bernoulli’s law 113
beryllia 640
beryllium copper 637,683
beryllium oxide, see ‘beryllia’
BET
-, adsorption isotherms 80
-, adsorption model, see ‘multilayer adsorption’
bike tire leak testing method 524
Blears effect 428,444
Boltzmann factor 72
Boltzmann’s constant 10,664
booster pump 229
-, comparison with Roots pump 230
-, critical backing pressure 229
-, pump properties 230
-, pumping speed 222
boron nitride 640,648,684
Bourdon gauge 369,385
-, electronic readout 386
-, mechanical configuration 385
Boyle/Gay-Lussac, law of 20
Boyle’s law 3,20,109,166
brass 356,626,637
brazing 588,589
-, filler 588,589,590,591
-, of beryllium copper 637
-, use of flux 589
brazing methods
-, furnace brazing 591
-, induction brazing 591
-, torch brazing 590
Brunauer, Emmett and Teller, see ‘BET’
Buckley, ionization gauge of 4,431
bulk getters, see ‘non-evaporable getters’
bulk outgassing 619, 649
Burch 3
butterfly valves 604
