This Vacuum Cube 12x12 inch vacuum chamber viewing window plate assembly has a fused quartz, Heraeus TSC-3 window and is designed to fit our 6x12x12 and 12x12x12 modular Cube chambers. This fused quartz (Heraeus TSC-3) window viewing plate assembly is often selected for experiments where improved optical clarity, extended wavelength transmissivity is required beyond the visible range (NUV and NIR) and where cost is a factor. Note: The 12x12 Heraeus TSC-3 fused quartz viewing window assembly is a non-stocked, special order item only and has an extended lead time. Please call for current lead time. We offer other window assemblies and replacement panes with standard low-iron glass or fused silica (Corning HPFS 7980) material. The standard glass window viewing plate assembly is a popular Cube option which is commonly used for viewing processes in high-vacuum settings and can be used to facilitate optical alignments of chamber components, observe degassing of fluids, or used to help teach in-vacuo processes by direct observation. The Corning HPFS 7980 fused silica has the best optical and transmissivity characteristics of all the window materials we offer and is preferred for experimanets, particularly in the Near Ultraviolet (NUV) range.
The viewing window plate assembly is interchangeable with other Cube plates and can be added to an Vacuum Cube system anytime. The viewing window can be implemented as a fixed side, or a door (with our optional hinge assembly and hardware kit, P106868) on the Cube chamber. The viewing window plate assembly, like all our other Cube plates, is built with our patented Taper-Seal technology which incorporates sloped sealing features to help prevent damage to the vacuum sealing surfaces. All Vacuum Cube plates are CNC milled from a single block of lightweight 6061-T6 Aluminum Alloy. Before it ships, every viewing window plate assembly is visually inspected for window media imperfections, helium leak tested, cleaned and sealed, ensuring that it operates correctly, safely, and is ready for immediate installation upon delivery.
Vacuum Cube Introduction
Our Vacuum Cube is a modular high-vacuum chamber system, conceived to enable creativity and design flexibility in vacuum chamber system construction. Cubes can be stacked together into various shapes and configurations, with interchangeable plates offering a variety of features for connections, windows, and feedthroughs. Plates include 1/4"-20 mounting threads on a standard 1" optical pattern for easy connection of hinges, posts, mounts, lenses, polarizers, and other accessories.
Durability and Versatility
The large inner dimensions and open design of Vacuum Cubes makes them perfect for many vacuum chamber applications and experiments. Vacuum Cubes are constructed of lightweight 6061-T6 aluminum alloy, allowing them to be easily transported around the lab and mounted on optical tables (unlike heavy stainless steel vacuum chambers). A patent-pending seal protective design, stainless steel thread inserts, and powder-coated outside plate finish help make the Vacuum Cube a durable tool for even the most demanding use.
Technical Details
Patent-Pending Chamber System
Our Vacuum Cubes have a patent pending design which features our Taper-Seal technology. Unlike other vacuum flange designs, such as, Conflat CF, KF/NW, or ISO-LF (large flange), which can be easily damaged when set on work surfaces, our Taper-Seal design protects critical sealing edges and o-rings from contact which can cause damage or contamination.
Innovative Chamber Building Blocks
Vacuum Cubes can easily be stacked together to build a complex, yet lightweight vacuum system (see graphic below). The outer edges of each vacuum cube feature hardware mounting sockets for easy cube-to-cube connections. A cube coupling kit includes the hardware needed to connect two cubes together. This allows scientists to creatively construct long or odd-shaped vacuum systems in a laboratory.
Configurable Plates and Accessories
The Vacuum Cube can be configured with a wide variety of plates and windows with many options. A Vacuum Cube can be fitted feedthroughs for electrical power, thermocouple temperature measurements, optical lasers light or imaging detectors, gas supply, or fluid flow for heat/cooling recirculation lines. Compatible standard flange styles include KF-16, KF-25, KF-40, KF-50, ISO-63, along with conlfat CF 2.75, CF 3.375, and CF 4.5 inch flanged ports. Viewing windows are also available, and custom plates can be manufactured on request. An optional hinge kit can be ordered to convert any plate into an operable door.
Applications for Vacuum Cubes
Our Vacuum Cubes are designed to implement well into optics laboratories for quick installation in laser research applications. The graphic below depicts an example laser spectroscopy laboratory setup, cavity ring down spectroscopy (CRDS) vacuum chamber system, using a 6x6x18 inch Vacuum Cube chamber. The modular design of our Vacuum Cubes make them suitable for many vacuum chamber applications:
- Vacuum Ultraviolet (VUV) Devices and Experiments
- Thermal Vacuum Testing
- Altitude Testing
- Vacuum Degassing Chamber
- High Power and Ultra Short Pulsed Lasers Research and Development
- Ion Acceleration
- RGA (Residual Gas Analyzers)
- Helium Leak Testing of Hermetic Sealed Devices With Welded In Helium Atmosphere
- Leak Detection Of Pharma Packaging
- Spectroscopy
- Molecular Ion Trap
- Cryostat Vacuum Chamber
- Beamlines
Vacuum Cube Pumping Performance The pump down curves for several Vacuum Cube configurations are shown in the graphs below. A single 6x6x6 inch Cube can be pumped from atmosphere to 1x10-5 Torr in 2.5 minutes and below 1x10-6 Torr in around 15 minutes. (view curves graphic 1) This was accomplished using a 68 liters/second turbomolecular pump backed by a 110 liters/minute (3.3 cfm) dry scroll vacuum pump. We have also provided roughing pump down curves for popular Agilent Varian IDP-3 and SH-110 dry scroll pumps. The 6x6x6 Cube reaches base pressure of 300 mTorr for the IDP-3 (2.1 cfm) in less than 1 minute of pumping, and 50 mTorr for Agilent Varian SH-110 (3.3 cfm) in around 2 minutes. (view curves graphic 2) On special request we can offer fully anodized plates to help with absorption of scattered light in laser research and optical applications. Anodized components do not pump down as fast as bare aluminum metal surfaces. (view curves graphic 3) A single 6x6x6 with anodized plates required 1 hour of pumping to reach 1x10-5 Torr.
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