Vacuum Chamber for Surface Science Analysis

The SSAC-12 from MDC is a versatile, general purpose surface science analysis chamber. It has been established that this chamber is ideal for a variety of experiments and studies. Standardization of the chamber design has enabled MDC to offer the SSAC-12 at a specific price.

The chamber is available with a total of 18 access ports. There are three 8", two 6", three 4-1/2" and nine 2-3/4" ports with Del-Seal™ CF metal seal flanges in addition to the pump port in the base. The SSAC-12 comprises of a 14-5/8" female wire seal flange on the pump port; the SSAC- 12D is provided with a 14" Del-Seal™ CF flange.

The chamber access ports accommodate a wide range of experimental devices, analytical instruments, feedthroughs, viewports and other accessories. It should be noted that the 2-3/4" flanges connect to the chamber with oversize 1.75" O.D. tubing in order to accommodate bigger devices.

Access ports are precision aligned with a helium-neon laser during construction. Each port is oriented toward one of three internal reference points A, B and C, or a vertical centerline.

The chamber is constructed from type 304 stainless steel. All tube and flange connections are TIG fusion welds. All internal surfaces are electropolished to ultrahigh vacuum standards. Connection hardware, including bolt sets and copper gaskets, are available under the individual size flange of the MDC catalog.

Ports with colored flanges are considered to be unique to a single focal point. Ports to focal point A are shown in magenta, ports to focal point C are shown in cyan; and ports to focal point B are shown in purple. Ports which do not have a listed focal point or have more than one focal point are displayed without color. Focal length dimensions for ports with more than one focal point are provided to the first focal point intersection.

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Key Features

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

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