'Ion pump' presentation slideshows

BASIC VACUUM PRACTICE

BASIC VACUUM PRACTICE. To move a particle in a (straight) line over a large distance. Why is a Vacuum Needed?. (Page 5 manual). To provide a clean surface. Why is a Vacuum Needed?. (High)Vacuum. Atmosphere. Contamination (usually water). Clean surface. HOW DO WE CREATE A VACUUM?.

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SHOCK & metabolic response

SHOCK & metabolic response. Awadh Alqahtani MD ,MSc,FRCSC (surgery)FRCSC(oncology) FISC Surgical oncologist and laparoscopic Bariatric surgeon 29/ 09/2013. Objectives . Definition Approach to the hypotensive patient Types Specific treatments. Definition of Shock.

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Biological Modeling of Neural Networks

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???? ????? ? " ? ??? ????? '. ?????? ??????? ?????? - ???????? ????? ????. ??????. ?? ?? ?????? ? 3 ????? ?? ???? ??????? ?????? ??????? ???????? ??????? IPSP / EPSP LSM ????? ??????. Man versus Machine (hardware). Man versus Machine (information processing).

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Thin Film Technology Lecture 2 Vacuum Surface Engineering Jari Koskinen 2013

Thin Film Technology Lecture 2 Vacuum Surface Engineering Jari Koskinen 2013. Vacuum surface engineering. Vacuum technology Surface phenomena Surface energetic ion interaction. Vacuum surface engineering. Vacuum technology Surface phenomena Surface energetic ion interaction.

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Measurements of Photocathode Operational Lifetime at Beam Currents up to 10 mA

Measurements of Photocathode Operational Lifetime at Beam Currents up to 10 mA using an Improved DC High Voltage GaAs Photogun. J. Grames , M. Poelker , P. Adderley, J. Brittian, J. Clark, J. Hansknecht, M. Stutzman, K. Surles-Law BNL C-A Department February 9, 2007. Purpose & Overview.

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Plasma Membrane and Transport of molecules

Plasma Membrane and Transport of molecules. How do things get in and out of the cell?. I. The Plasma Membrane. The fluid mosaic model describes the structure of the plasma membrane. In this model the membrane is seen as a bilayer of phospholipids. PHOSPHOLIPID BILAYER = CELL MEMBRANE.

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XTOD Controls Preliminary Design Review

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Theory and Practice of Electron Microprobe Analysis Geoc 575 Nelia Dunbar Bureau Office B-101

Theory and Practice of Electron Microprobe Analysis Geoc 575 Nelia Dunbar Bureau Office B-101 x5783 office x5155 lab. Electron Microprobe analysis and Scanning Electron microscopy Electron microprobe analysis (EMPA) Analytical technique in which a beam of electrons is

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Vacuum at CEBAF

Vacuum at CEBAF. Seminar for Accelerator Operators 17 January, 2006 Marcy Stutzman and Philip Adderley. What is vacuum. The woods were dark and foreboding, and Alice sensed that sinister eyes were watching her every step. Worst of all, she knew that Nature abhorred a vacuum. What is vacuum.

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Vacuum Systems

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PEEM III Endstation Design Review

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Commissioning of the Jefferson Lab Load-Locked Gun

Commissioning of the Jefferson Lab Load-Locked Gun. Marcy L. Stutzman. Jefferson Lab Production Guns. Two Identical Horizontal NEG Guns Both have good cathodes QE ~ 1.6% at 770 nm 0.2% at 842 nm Polarization ~ 78% Lifetimes ~ 300 C @ 250 ? A

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MTA PROFILE MONITORS

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ION PUMPS

ION PUMPS. By: Nima Moghimian. Why pump?. Why vacuum?. What is a good vacuum?. What is a good vacuum?. NO Vacuum. Rough Vacuum. Low Vacuum. High Vacuum (HV). Ultra High Vacuum (UHV). Pa. 1Pa = 7.5 x 10 -3 Torr. Types of pumps. NO Vacuum. Rough Vacuum. Low Vacuum.

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EMMA DELIVERY UPDATE Neil Bliss

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FACET Exp Area

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CEBAF Guns July 1999 - Present

CEBAF Guns July 1999 - Present. Cathode (GaAs). 4 days to load, bake, prepare new photocathode. Anode. Laser. -. e. -100 kV. Cs. (F.E.). NF. 3. (leaky). Present JLab “Vent/Bake” Polarized Electron Gun. New Load Lock Gun Assembled & Running Spring ‘06.

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