by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC], [Springfield, Va .
Written in English
|Other titles||Versatile, low cost, computer controlled, sample positioning system for vacuum applications.|
|Statement||Carlos Vargas-Aburto and Dale R. Liff.|
|Series||NASA contractor report -- 187144., NASA contractor report -- NASA CR-187144.|
|Contributions||Liff, Dale R., United States. National Aeronautics and Space Administration.|
|The Physical Object|
A Versatile Vacuum- and Plasma-Compatible 3D Probe Positioning System for Large Scale Vacuum Chambers [D. N. Walker] on *FREE* shipping on qualifying offers. A Versatile Vacuum- and Plasma-Compatible 3D Probe Positioning System for Large Scale Vacuum Chambers. Abstract. A versatile, low cost, easy to implement, microprocessor-based motorized positioning system (MPS) suitable for accurate sample manipulation in a SIMS system, and for other ultra-high-vacuum (UHV) applications, has been designed and built at NASA Lewis Research Center. The system can be operated manually or under computer control. In the decade and a half since the publication of the Second Edition of A User?s Guide to Vacuum Technology there have been many important advances in the field, including spinning rotor gauges, dry mechanical pumps, magnetically levitated turbo pumps, and ultraclean system designs. These, along with improved cleaning and assembly techniques have made contamination-free manufacturing a by: Vacuum technology from DAB is used in a wide variety of industries to ensure efficient material flows. Our many years of experience and our close relationships with our customers mean we understand your processes, which allows us to produce products to meet the highest standards.
By choosing the application "Automatic evaporation", the vacuum controller VACUUSELECT in combination with our VARIO pumps detects fully automatically the solvent boiling pressure or even several boiling points of a solvent mixture. It adjusts the vacuum continuously to the process. A readjustment of the vacuum is completely unnecessary. The PG Atomic Absorption Spectrophotometer is a versatile low cost, entry level instrument with a computer controlled Air/Acetylene flame for general laboratory requirements. Due to its high sensitivity and excellent performance the instrument can be used for a wide range of applications including. a multielement system, such as an industrial stainless steel grade and its welds (Section ). Grades of practical interest for vacuum applications The first three rows in Table 1 show the composition of the grades of stainless steels (L, L, LN) of main interest for vac uum applications and c overed by CERN specifications. Sample Problem: Calculate the approximate total force that will be exerted on a 4" diameter glass view port used in a vessel under high vacuum conditions. Chemical Effects of Vacuum: The removal of gases from a container will reduce the number of gas atoms that are available to interact with materials in the container. ForFile Size: KB.
† Low-cost † Low-weight,compactdesign † Anymountingposition † Highvacuumlevelupto–bar operatingpressure † Minimal maintenanceexpenses † Generallylargedimensionsand highweight † Restrictedmountingposition † Largeflowrates,lowvacuumlevel † Highmaintenancecosts Application † Widerangeofapplications, ngtechnologyand. the activities performed under vacuum, classified according to the pressure region in which they take place, is given in Table A very basic vacuum system is shown in Figure It consists of a vessel connected to a gas-transfer pump. The pump removes gas particles from the Size: 6MB. Vacuum Technology and Vacuum Design Handbook for Accelerator Technicians This handbook is a compilation of information gathered from over 50 years of direct hands-on experience to applicable information widely available from the vacuum technology industry. Purchase Vacuum Technology and Applications - 1st Edition. Print Book & E-Book. ISBN , Book Edition: 1.