Moving a semiconductor tool between cleanrooms, step by step

Relocating a semiconductor tool looks like a logistics job, but most of the risk sits at the two ends of the trip. A tool that is de-installed in a hurry, without a decontamination record or labelled connections, often arrives in good physical shape and then takes weeks to bring back up. A tool that is crated badly can arrive with a cracked viewport, a shifted stage or condensation inside the vacuum system.

Whether you are moving equipment to a new building on the same campus, buying a used tool from another lab or shipping it across borders, the steps are the same. This guide walks through moving a semiconductor tool from survey to first wafer.

Before the move

Step 1: Survey both sites

Before anything is unbolted, collect the information that decides how the move will go:

• At the origin: tool footprint and weight per module, access route from the tool to the loading dock, door and lift dimensions, floor protection needs, and which facilities connect to the tool.
• At the destination: the same access route in reverse, floor loading at the final position, and whether every facility the tool needs is available, at the right specification, at the tool location.
• Facilities list: electrical supply (voltage, phase, current), process and purge gases, cooling water flow and temperature, compressed dry air, nitrogen, vacuum, exhaust type and flow, and drains.

Destination facilities are the most common cause of delay. If the new cleanroom needs a new three-phase circuit, a gas line or a scrubbed exhaust drop, that work has a lead time of its own. Start it as soon as the move is agreed.

Step 2: Decontaminate and document

Tools that have run toxic, corrosive or flammable gases, or wet chemistries, must be made safe before they are opened, transported or handled by anyone other than trained cleanroom staff.

Typical steps:

• Purge process gas lines with inert gas and cap them.
• Pump and purge chambers, then vent with dry nitrogen.
• Drain and flush chemical lines, baths and cooling circuits.
• Remove and dispose of pump oil and filters that may hold process residues.
• Wipe down accessible chamber surfaces and inspect for deposits.

Record what was done, by whom and when, in a decontamination statement that travels with the tool. Riggers, carriers and the receiving site will ask for it, and many sites will not accept a tool without one. Our decontamination service covers this step with a written record.

Step 3: De-install and label

Good de-installation is mostly about information. Every cable, hose and gas line you disconnect should be labelled at both ends and photographed in place. Take a full photo record of the tool, its interior and its facility connections before work starts.

Other points to cover:

• Back up the control system and export recipes and calibration data before powering down.
• Secure moving parts. Wafer stages, robots, load lock arms and transfer mechanisms need transit locks or brackets. Use the manufacturer's shipping hardware if it still exists.
• Remove fragile and sensitive items such as quartz parts, optics, gauges and computers, and pack them separately.
• Split the tool into modules that fit the access route, and keep a list of what goes in which crate.

On the road

Step 4: Crate for the journey

Crating protects against shock, vibration, moisture and contamination. The right level depends on the distance and route; a short move within a campus can use less than an export shipment.

For longer moves:

• Bag and seal each module in a moisture barrier film with desiccant, and pump down or nitrogen-fill vacuum chambers where appropriate.
• Use shock-absorbing mounts inside the crate sized for the module's weight.
• Fit shock and tilt indicators on the outside so any mishandling is visible on arrival.
• Mark crates with weight, centre of gravity, lifting points and orientation.
• For international shipments, wooden packaging generally needs treatment and marking to the ISPM 15 standard.

See de-installation and crating for how we handle this step.

Step 5: Rig and transport

Semiconductor tools are heavy, top-heavy and sensitive to vibration. Use riggers with experience in cleanroom and laboratory equipment, and agree the method for each module in advance: pallet jack, skates, gantry, forklift or crane.

For road transport, an air-ride suspension vehicle reduces vibration. Climate-controlled transport may be worth it in cold weather, when moving a tool from a cold truck straight into a warm building can cause condensation. Ask the carrier about load securing and whether the driver can assist with tail-lift handling.

Insurance deserves a careful look. Standard carrier liability is often limited by weight rather than value, which falls far short of the replacement cost of most tools. Arrange cover that reflects the tool's value for the whole journey, including rigging at both ends. Our rigging and transport service plans this with you.

At the new site

Step 6: Receive, position and hook up

On arrival, check the shock and tilt indicators and inspect each crate before signing for it. Note any damage on the delivery note and photograph it.

Let crates acclimatise to room temperature before opening them, particularly in winter. Then:

• Move modules through the gowning or equipment entrance, cleaning surfaces as your cleanroom protocol requires.
• Position the tool, level it and fit seismic restraints if your site requires them.
• Reconnect facilities from your labelled photos and the facilities list, with leak checks on every gas connection.

Step 7: Power up and qualify

Bring the tool up in stages: electrical checks first, then controller and software, then vacuum, then gases and cooling, then RF or other high-power systems. Check all interlocks before running anything.

Qualify against data recorded before the move: base pressure, leak-up rate, pump-down time, and a reference process with known results. Matching the old numbers is the clearest proof that the move is complete.

If no pre-move data exists, for example when you buy a tool that has stood idle, agree the acceptance criteria in writing before the move instead. Typical criteria are a base pressure, a leak-up rate and a reference result on a monitor wafer, with the method for each. That turns "it works" into something both sides can sign off, and it shows straight away whether any fault came with the tool or arose in transit.

Finally, brief the users who will run the tool: the new location may have different gas pressures, exhaust behaviour or start-up routines from the old one.

How long a tool move takes

There is no fixed answer, but the timeline is usually set by preparation, not the move itself. Survey, decontamination and destination facilities work often take longer than de-installation, transport and hook-up combined. Cost drivers include the number and weight of modules, the access route at each end, the level of crating, the distance, and whether facilities work is needed.

What we can do

We plan and carry out tool moves from survey to qualification, including decontamination, de-installation, crating, transport and hook-up. Start with de-installation and crating, or see hook-up and facilities for the receiving end.