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Why Titanium

Like aluminum (featured in last newsletter), titanium offers advantages that Atlas utilizes to manufacture the most effective solutions possible for your application: • Once activated, behaves as a getter to absorb hydrogen • Low thermal conductivity • No hydrogen for ultra pure vacuum • No carbon for greatly reduced contamination • Low thermal expansion • … Continued

Loadlock Chamber for Efficiency Upgrade

Denton Vacuum, a leading supplier of production scale thin film technology systems, has added a new Atlas manufactured Loadlock chamber to the Explorer Deposition System in its Customer Application Center (CADC). The loadlock chamber enables the loading and unloading of wafers in a much more efficient way: the semi-automatic feeding also allows the main processing … Continued

Solution at Beneq: Water-Cooled Chamber

Atlas customer, Beneq, a leading supplier of production and research equipment for thin film atomic layer deposition and aerosol coatings, as well as the world’s premier manufacturer of thin film electroluminescent (TFEL) displays, has brought many interesting projects to our design tables and manufacturing facility. Late last year, Beneq brought us a design challenge for … Continued

Solution: Foil Window Flange

Our customers at a large Midwestern research university needed a very thin titanium window for an electron optics application. The idea that they brought to us included a permanently brazed approach that was, unfortunately, thick and expensive to replace if the window failed. The customer wanted it thinner but found the risk of the part … Continued

Atlas Surface Passivation Process

Atlas has overcome the three major obstacles that have inhibited the use of aluminum in extreme vacuum applications… vacuum sealing, vacuum welding and vacuum surface passivation. Applying our knowledge and proprietary technology we produce state-of-the-art aluminum vacuum chambers that deliver the revolutionary physical and vacuum properties of aluminum at dramatic cost savings. Atlas Vacuum Surface … Continued

Studies at NOMAD beamline

New version Dr. Ken Kelton of Washington University in St. Louis is preparing to make studies of the atomic structures of metallic liquids at the Spallation Neutron Source on the NOMAD (Nanoscale-Ordered Materials Diffractometer) beam line. Part of the NESL (Neutron ElectroStatic Levitation) facility built by Dr. Kelton and his team includes an aluminum Atlas … Continued

Emissivac Polished Surface

Atlas has recently developed processes to produce highly polished aluminum surfaces that are UHV and extreme high vacuum (XHV) compatible. Our highly polished aluminum Grade 3 finishes have an RMS level

Titanium: a superior material for XHV

Atlas titanium chambers offer extreme vacuum performance with very low hydrogen permeation rates and secondary gasses. Due to the gettering properties of this metal, titanium vacuum chambers are, in many ways, the ultimate vacuum material. For extreme high vacuum, titanium will often be the best choice. But, due to cost of the material and the … Continued

Vergason Water Traps

Vergason Technologies, Inc., a leading global innovator in sputtering, thermal evaporation, and cathodic arc thin film coating technologies, is utilizing Atlas manufactured aluminum water traps to improve cycle time, product quality, and overall system efficiency in their Press-Side® Rapid Cycle Metalizers. The water traps help reduce the amount of water vapor that is pumped out … Continued

NSLS ll and 1500 Atlas Bimetal Flanges

Exciting news for NSLS-II at BNL and their users! Mr. Dick Hseuh, the Vacuum Group Leader for NSLS ll and responsible party for the design, construction, and overall commissioning of the vacuum systems in the NSLS ll accelerator complex, tells us that they are currently commissioning their Booster with beam and plan to start storage … Continued

Aluminum Welding

Welding Reference Information for Designers and Welders of Aluminum Ultra High Vacuum (UHV) Chambers Aluminum UHV Weld Design Most facilities familiar with Ultra High Vacuum (UHV) have experience welding stainless steel to UHV standards, however many have not had occasion to weld aluminum to UHV standards. We offer this brief guide for designing and welding … Continued

Aluminum Optics Chambers with Breadboard for Max Born

Several Atlas aluminum vacuum chambers with breadboards installed at Max Born in Berlin are used for the generation and application of ultra short x-ray pulses via a frequency conversion process called high order harmonic generation. The purpose is to record films of atoms and molecules on their natural time scales from the femtosecond (10^-15 seconds) … Continued

Why Aluminum?

The Aluminum Advantage Industry leaders at Atlas allow you to take full advantage of the benefits of aluminum over stainless steel: 10x the thermal conductivity and 21 x the thermal diffusivity for fast, complete bakeouts and unmatched thermal performance 7 orders of magnitude less hydrogen for ultra pure vacuum Less carbon for reduced contamination Outgassing … Continued

Look to Atlas Technologies for Bimetallic Bonding

Adhering to UHV standards in cryogenic applications with stainless steel is a process with which many manufacturers are familiar. Most, however, aren’t experienced or qualified to apply those same standards to cryogenic applications when it comes to bimetal solutions; most often involving aluminum. Since the closing of Bi-Braze, increasing numbers of customers have looked to … Continued

Customer Highlight: Dynavac

Our customers at Dynavac are crucial participants in a compelling project for NASA’s Magnetospheric Multiscale Mission at the Goddard Space Center. The Solar Terrestrial Probes mission will fly four identically instrumented satellites to investigate how the sun and Earth’s magnetic fields transfer energy from one to the other. This transfer, called Magnetic Reconnection, affects space … Continued

ATCR Fittings Deliver Advanced Functionality

For the most challenging applications in the fields of cryogenics, aerospace, physics, and semiconductors, Atlas ATCR™ fittings produces a robust, demountable use of aluminum tubing. These fittings are fully compatible with Swagelok VCR® and Parker-Hannifin VacuSeal® fittings which makes incorporating Atlas ATCR™ fittings into existing stainless infrastructure uncomplicated. For processes that require high thermal conductivity, … Continued

Explosion Welding (EXW) Technology

Bimetallic Bonding for Ultrahigh Vacuum Over the past 16 years Atlas Technologies has concentrated in developing methods and processes specifically intended for bonding dissimilar metals for use in Ultrahigh Vacuum (UHV). The details of this process are proprietary, but the following report provides a working understanding of the process. Atlas has received patents on several … Continued

Welding Aluminum to Vacuum Standards Is an Atlas Technologies Specialty

Aluminum Welding Welding Reference Information for Designers and Welders of Aluminum Ultra High Vacuum (UHV) Chambers Aluminum UHV Weld Design Most facilities familiar with Ultra High Vacuum (UHV) have experience welding stainless steel to UHV standards, however many have not had occasion to weld aluminum to UHV standards. We offer this brief guide for designing … Continued

Next Generation Vacuum Systems: Aluminum

Published in Solid State Technologies, May 1998, Page 79 Introduction: Written by: Richard Bothell and Justin Bothell, Atlas Technologies; Glen Tisdale, Judith Offerle, UHV Aluminum Company 300mm wafers with Achieving sub-micron feature sizes on a production basis requires an understanding of the complete processing environment including the vacuum reactor itself. Molecular level chemical contamination will … Continued

Reduce Carbon Deposition: Synchrotron and Semiconductor Lithography Optics

Out gassed carbon from stainless steel can be a serious source of contamination and can damage synchrotron optics as well as deep Ultra Violet (DUV) and Extreme Ultra Violet (EUV) optics for semiconductor lithography. We are finding that many of these high profile labs are eliminating any potential carbon from stainless by using aluminum vacuum … Continued