MDC vacuum baseplates form the structural foundation of bell jar vacuum systems, enabling secure installation of bell jars and feedthrough collars. These plates are typically mounted atop a vacuum pump or a gate valve, providing a flat and stable platform for reliable system operation.

Each baseplate is available in three standard flange types:

ANSI ASA elastomer seal flanges
MDC Conflat® CF metal seal flanges
ISO LF bolt-style Large-Flange™ elastomer seal flanges

Baseplates support chamber body diameters of 12 in (304.8 mm), 18 in (457.2 mm), and 24 in (609.6 mm), ensuring compatibility with a range of vacuum setups.

MDC base wells combine the structural support of a baseplate with the functionality of a feedthrough collar, minimizing leak points by replacing one vacuum seal with a permanent vacuum weld. Available in 4, 8, or 18 port configurations, base wells accommodate 2-3/4 in (69.9 mm) MDC Conflat® CF flanges or NW40 (40 mm) ISO KF Kwik-Flange™ connections.

These ports are compatible with a wide range of MDC feedthroughs, including electrical, fluid, and motion components. Like baseplates, base wells connect to vacuum pumping systems using ANSI, CF, or ISO LF flange interfaces.

Note: Gasket seals are not included and must be purchased separately.

Industry Applications

MDC baseplates and base wells are essential in vacuum research, thin-film deposition, surface science, plasma processing, and semiconductor manufacturing. Their robust design and modular compatibility allow users to build highly adaptable systems for UHV and high-vacuum environments while maintaining structural and seal integrity.