Vacuum technology is used far beyond laboratories and high-vacuum research systems. It is part of semiconductor production, food packaging, pharmaceutical processing, chemical plants, automotive manufacturing, metallurgy, robotics and many other industrial processes.

For the broader technical background, see what vacuum technology is and where it is used.

Semiconductor manufacturing

Semiconductor production is one of the most demanding users of vacuum technology.

Vacuum systems are used in processes such as:

+ Etching
+ Thin-film deposition
+ PVD and CVD
+ Load-lock operation
+ Process chamber evacuation

In this industry, reaching a target pressure is only part of the job. Moisture, hydrocarbons, residual gases, particles and outgassing can all affect process quality.

That is why materials used in vacuum systems are selected carefully for cleanliness, chemical compatibility and gas release.

Electronics and thin-film coating

Vacuum is widely used in the production of electronic components, sensors, optical coatings and thin films.

Typical processes include:

+ Metal deposition
+ Surface coating
+ Plasma processes
+ Thin-film formation

The required pressure can vary considerably, so the pump and gauge technology must be matched to the actual process.

The main pumping principles are compared under different types of vacuum pumps.

Food and beverage industry

One of the best-known uses of vacuum is food packaging.

Vacuum technology is also used in:

+ Vacuum packaging
+ Vacuum drying
+ Freeze drying
+ Liquid deaeration
+ Removal of dissolved or trapped gases

Removing gas from a package can help reduce some oxidation processes and conditions favourable to certain aerobic microorganisms, depending on the product and storage conditions.

Vacuum packaging should not be treated as sterilization.

For practical pumping examples, see vacuum pump applications.

Pharmaceutical and biotechnology processes

Vacuum is widely used in pharmaceutical and biotechnology production where controlled drying, evaporation or low-pressure processing is required.

Applications include:

+ Lyophilization
+ Vacuum drying
+ Distillation
+ Solvent removal
+ Controlled process chambers

Process cleanliness, seal compatibility and the risk of contamination can be especially important in these applications.

Chemical industry

Vacuum is frequently used in chemical processes to lower boiling temperatures, remove gases or vapours, and support controlled separation processes.

Common examples include:

+ Vacuum distillation
+ Drying
+ Filtration
+ Degassing
+ Solvent processing

When corrosive, reactive or hazardous gases are involved, material compatibility becomes a major design issue.

This is directly related to vacuum-system safety.

Metallurgy and heat treatment

Vacuum is used in metallurgy to control the process atmosphere and reduce unwanted interaction between hot material and surrounding gases.

Typical processes include:

+ Vacuum melting
+ Vacuum sintering
+ Vacuum heat treatment
+ Metal degassing

These systems combine high temperature with low pressure, so chamber materials, seals and pumping systems must all be selected accordingly.

Automotive manufacturing

Vacuum technology appears throughout automotive manufacturing rather than only inside the vehicle itself.

Applications can include:

+ Component handling
+ Vacuum moulding
+ Material impregnation
+ Leak testing
+ Coating processes
+ Selected vacuum-assisted brake systems

In automated production equipment, a vacuum sensor can confirm that the workpiece has actually been gripped or that the required pressure has been reached.

Examples are covered under vacuum sensor applications.

Plastics and composite manufacturing

Vacuum is also widely used in composite and plastics processing.

Typical examples include:

+ Vacuum infusion
+ Resin degassing
+ Thermoforming
+ Vacuum moulding

Removing trapped gas from resin or using pressure difference to form material can directly affect product quality.

Industrial automation and robotics

Some of the most common industrial vacuum systems are not deep-vacuum systems at all.

Robotic handling and pick-and-place equipment may use:

+ Electric vacuum pumps
+ Central vacuum systems
+ Pneumatic Venturi ejectors

to grip sheet metal, glass, cartons, plastic parts, timber panels and many other products.

Here, reliable pressure feedback can be more important than achieving an extremely low absolute pressure.

Aerospace and space testing

Vacuum chambers are used in aerospace engineering to evaluate equipment under low-pressure conditions.

Depending on the test, vacuum or thermal-vacuum systems may be used for:

+ Spacecraft components
+ Electronic assemblies
+ Sensors
+ Materials

The purpose is to reproduce part of the environment that equipment may experience at high altitude or in space.

Research and development

Vacuum technology is fundamental in physics, chemistry, materials science, surface science and space research.

Electron microscopes, mass spectrometers and particle-beam systems are typical examples.

Because research systems can operate across a very wide pressure range, selecting the correct gauge becomes important.

See vacuum sensor selection criteria for the measurement side.

Medical and healthcare systems

Vacuum is also used in selected medical and healthcare applications.

Examples can include:

+ Central medical vacuum infrastructure
+ Approved suction equipment
+ Laboratory instruments
+ Pre-vacuum or evacuation stages in certain sterilization equipment

The important distinction is: vacuum itself is not a sterilization method. It may be one part of a validated sterilization process or machine cycle.

Why does energy efficiency matter across industries?

In continuously operated plants, vacuum generation can become a significant electrical load.

This is especially relevant in:

+ Central vacuum systems
+ Semiconductor facilities
+ Packaging lines
+ Chemical production
+ Large process installations

Leaks, oversized pumps and unnecessarily deep vacuum can all increase operating cost.

For the wider system view, see energy efficiency of vacuum technologies.

How are new vacuum technologies changing these industries?

Modern development is not focused only on achieving lower pressure.

There is also increasing emphasis on:

+ Cleaner dry pumping
+ Smarter vacuum sensors
+ Remote condition monitoring
+ Variable-speed control
+ Lower energy use
+ Reduced maintenance

These trends are covered under new developments in vacuum technology.

Industries using vacuum technology in simple terms

Semiconductors → etching, deposition and process chambers

Electronics → thin films, coating and plasma processes

Food → packaging, drying and deaeration

Pharmaceuticals → lyophilization, drying and distillation

Chemicals → distillation, filtration and degassing

Metallurgy → melting, sintering and heat treatment

Automotive → handling, testing and coating

Composites → infusion, moulding and degassing

Aerospace → vacuum and thermal-vacuum testing

Research → analysis, surface science and particle systems

For the wider equipment structure, visit the Pumps main category or the Vacuum Pumps homepage.

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Related vacuum technology topics

What is vacuum technology? | Why is vacuum technology important? | Vacuum materials | Vacuum innovations

Vacuum safety | Energy efficiency | Sustainability

Main sections:
Vacuum Sensors | Vacuum Pumps | Pumps | Vacuum FAQ

Vacuum technology is used across many industries, but the required pressure range, pump type, gas compatibility and measurement method can be completely different from one process to another.

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