Authors: HELMER JC

Citation: Jc. Helmer, HISTORY AND DEVELOPMENT OF THE UHV HELMER GAUGE AS AN ANALYTIC INSTRUMENT, Vacuum, 51(1), 1998, pp. 7-10

Authors: HELMER JC LEVI G

Citation: Jc. Helmer et G. Levi, TRANSITION GAS-FLOW IN DRAG PUMPS AND CAPILLARY LEAKS, Journal of vacuum science & technology. A. Vacuum, surfaces, and films, 13(5), 1995, pp. 2592-2599

Authors: LEVI G DESIMON M HELMER JC

Citation: G. Levi et al., USE OF THE CLAUSING EQUATION TO EVALUATE THE PUMPING ACTION OF MOLECULAR GAEDE PUMPS, Vacuum, 46(4), 1995, pp. 357-362

Authors: HELMER JC FEINSTEIN J

Citation: Jc. Helmer et J. Feinstein, PONDEROMOTIVE TRANSPORT OF CHARGE IN THE INDUCTION PLASMA, Journal of vacuum science & technology. B, Microelectronics and nanometer structures processing, measurement and phenomena, 12(1), 1994, pp. 507-511