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Surface Science Analysis Chamber

  • Proven design
  • 18 Access Ports
  • Del-Seal CF metal seal flanges
  • Precision component alignment
  • All type 304 stainless steel construction
  • Bakeable to 450ºC
  • UHV compatible to 1 x 10-11 Torr

The SSAC-12 is a versatile, general purpose surface science analysis chamber. It has proven to be suitable for a wide range of studies and experiment. Standardization of the chamber design has enabled MDC to offer the SSAC-12 at this price.
The chamber has a total of 18 access ports. In addition to the pump port in the base, there are three 8", two 6", three 4-1/2" and nine 2-3/4" ports with Del-Seal CF metal seal flanges. The SSAC-12 has a 14-5/8" female wire seal flange on the pump port; the SSAC-12D is supplied with a 14" Del-Seal CF flange.
The chamber access ports accommodate a variety of experimental devices, analytical instruments, viewports, feedthroughs and other accessories. Note that the 2-3/4" flanges connect to the chamber with oversize 1.75" O.D. tubing to accommodate larger devices. Access ports are precision aligned with a helium-neon laser during construction. Each is oriented toward one of three internal reference points A, B and C, or a vertical centerline. Angles and distances to these points are listed in the table.
Chamber construction is of type 304 stainless steel. All flange and tube connections are TIG fusion welds. All internal surfaces are electropolished to ultrahigh vacuum standards. Connection hardware, including copper gaskets and bolt sets, are found under the individual size flange in Flanges and Fittings section.
Ports with colored flanges are unique to a single focal point. Ports to focal point A are shown in magenta; ports to focal point B are shown in purple; and ports to focal point C are shown in cyan. Ports which have more than one focal point or no listed focal point are shown without color. Focal length dimensions for ports with more than one focal point are given to the first focal point intersection.

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